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<screen>
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        <concentration>25</concentration>
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      </conditionIngredient>
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    <condition>
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      <conditionIngredient>
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    <condition>
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      <conditionIngredient>
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    <condition>
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    <condition>
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        <concentration>20</concentration>
        <type>Precipitant</type>
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      <conditionIngredient>
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        <pH>5</pH>
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    <condition>
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        <pH>5</pH>
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      <conditionIngredient>
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    <condition>
      <conditionIngredient>
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        <type>Precipitant</type>
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      <conditionIngredient>
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        <pH>5</pH>
        <type>Buffer</type>
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        <type>Additive</type>
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    <condition>
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        <pH>5</pH>
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    <condition>
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      <conditionIngredient>
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        <pH>4</pH>
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        <stockLocalID>16</stockLocalID>
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    <condition>
      <conditionIngredient>
        <concentration>25</concentration>
        <type>Precipitant</type>
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      <conditionIngredient>
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    <condition>
      <conditionIngredient>
        <concentration>25</concentration>
        <type>Precipitant</type>
        <stockLocalID>1</stockLocalID>
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      <conditionIngredient>
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        <pH>6</pH>
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    <condition>
      <conditionIngredient>
        <concentration>25</concentration>
        <type>Precipitant</type>
        <stockLocalID>1</stockLocalID>
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    <condition>
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      <conditionIngredient>
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        <pH>8</pH>
        <type>Buffer</type>
        <stockLocalID>20</stockLocalID>
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    <condition>
      <conditionIngredient>
        <concentration>25</concentration>
        <type>Precipitant</type>
        <stockLocalID>1</stockLocalID>
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      <conditionIngredient>
        <concentration>0.1</concentration>
        <pH>9</pH>
        <type>Buffer</type>
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    <condition>
      <conditionIngredient>
        <concentration>20</concentration>
        <type>Precipitant</type>
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      <conditionIngredient>
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        <pH>6</pH>
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        <type>Additive</type>
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    <condition>
      <conditionIngredient>
        <concentration>20</concentration>
        <type>Precipitant</type>
        <stockLocalID>8</stockLocalID>
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      <conditionIngredient>
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        <pH>6</pH>
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      <conditionIngredient>
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        <type>Additive</type>
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    <condition>
      <conditionIngredient>
        <concentration>20</concentration>
        <type>Precipitant</type>
        <stockLocalID>8</stockLocalID>
      </conditionIngredient>
      <conditionIngredient>
        <concentration>0.1</concentration>
        <pH>6</pH>
        <type>Buffer</type>
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      <conditionIngredient>
        <concentration>0.2</concentration>
        <type>Additive</type>
        <stockLocalID>12</stockLocalID>
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    <condition>
      <conditionIngredient>
        <concentration>20</concentration>
        <type>Precipitant</type>
        <stockLocalID>8</stockLocalID>
      </conditionIngredient>
      <conditionIngredient>
        <concentration>0.1</concentration>
        <pH>6</pH>
        <type>Buffer</type>
        <stockLocalID>22</stockLocalID>
      </conditionIngredient>
      <conditionIngredient>
        <concentration>0.2</concentration>
        <type>Additive</type>
        <stockLocalID>13</stockLocalID>
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    </condition>
    <condition>
      <conditionIngredient>
        <concentration>20</concentration>
        <type>Precipitant</type>
        <stockLocalID>8</stockLocalID>
      </conditionIngredient>
      <conditionIngredient>
        <concentration>0.1</concentration>
        <pH>6</pH>
        <type>Buffer</type>
        <stockLocalID>22</stockLocalID>
      </conditionIngredient>
      <conditionIngredient>
        <concentration>0.2</concentration>
        <type>Additive</type>
        <stockLocalID>14</stockLocalID>
      </conditionIngredient>
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    <condition>
      <conditionIngredient>
        <concentration>20</concentration>
        <type>Precipitant</type>
        <stockLocalID>8</stockLocalID>
      </conditionIngredient>
      <conditionIngredient>
        <concentration>0.1</concentration>
        <pH>6</pH>
        <type>Buffer</type>
        <stockLocalID>22</stockLocalID>
      </conditionIngredient>
      <conditionIngredient>
        <concentration>0.01</concentration>
        <type>Additive</type>
        <stockLocalID>15</stockLocalID>
      </conditionIngredient>
    </condition>
  </conditions>
  <ingredients>
    <ingredient>
      <stocks>
        <stock>
          <localID>1</localID>
          <stockConcentration>50</stockConcentration>
          <defaultLowConcentration>0</defaultLowConcentration>
          <defaultHighConcentration>50</defaultHighConcentration>
          <units>w/v</units>
          <useAsBuffer>false</useAsBuffer>
          <vendorPartNumber>CSS-244</vendorPartNumber>
          <vendorName>Jena Bioscience</vendorName>
        </stock>
      </stocks>
      <types>
        <type>Precipitant</type>
      </types>
      <casNumbers>
        <casNumber>25322-68-3</casNumber>
      </casNumbers>
      <name>Polyethylene glycol 1,500</name>
      <shortName>PEG 1500</shortName>
    </ingredient>
    <ingredient>
      <stocks>
        <stock>
          <localID>2</localID>
          <stockConcentration>1</stockConcentration>
          <defaultLowConcentration>0</defaultLowConcentration>
          <defaultHighConcentration>1</defaultHighConcentration>
          <units>M</units>
          <pH>4</pH>
          <useAsBuffer>true</useAsBuffer>
          <vendorName>Jena Bioscience</vendorName>
        </stock>
        <stock>
          <localID>2</localID>
          <stockConcentration>1</stockConcentration>
          <defaultLowConcentration>0</defaultLowConcentration>
          <defaultHighConcentration>1</defaultHighConcentration>
          <units>M</units>
          <pH>4</pH>
          <useAsBuffer>true</useAsBuffer>
          <vendorName>Jena Bioscience</vendorName>
        </stock>
        <stock>
          <localID>3</localID>
          <stockConcentration>1</stockConcentration>
          <defaultLowConcentration>0</defaultLowConcentration>
          <defaultHighConcentration>1</defaultHighConcentration>
          <units>M</units>
          <pH>5</pH>
          <useAsBuffer>true</useAsBuffer>
          <vendorName>Jena Bioscience</vendorName>
        </stock>
        <stock>
          <localID>3</localID>
          <stockConcentration>1</stockConcentration>
          <defaultLowConcentration>0</defaultLowConcentration>
          <defaultHighConcentration>1</defaultHighConcentration>
          <units>M</units>
          <pH>5</pH>
          <useAsBuffer>true</useAsBuffer>
          <vendorName>Jena Bioscience</vendorName>
        </stock>
        <stock>
          <localID>4</localID>
          <stockConcentration>1</stockConcentration>
          <defaultLowConcentration>0</defaultLowConcentration>
          <defaultHighConcentration>1</defaultHighConcentration>
          <units>M</units>
          <pH>6</pH>
          <useAsBuffer>true</useAsBuffer>
          <vendorName>Jena Bioscience</vendorName>
          <comments>SPG buffer is produced by mixing succinic acid, sodium dihydrogen phosphate,
and glycine in the molar ratios 2:7:7 – succinic acid:sodium dihydrogen
phosphate:glycine.* The three chemicals have three different buffering curves
and their ratios have been selected to keep pH variation almost linear. The
desired pH is obtained by mixing high- and low-pH stock solutions</comments>
        </stock>
        <stock>
          <localID>4</localID>
          <stockConcentration>1</stockConcentration>
          <defaultLowConcentration>0</defaultLowConcentration>
          <defaultHighConcentration>1</defaultHighConcentration>
          <units>M</units>
          <pH>6</pH>
          <useAsBuffer>true</useAsBuffer>
          <vendorName>Jena Bioscience</vendorName>
          <comments>SPG buffer is produced by mixing succinic acid, sodium dihydrogen phosphate,
and glycine in the molar ratios 2:7:7 – succinic acid:sodium dihydrogen
phosphate:glycine.* The three chemicals have three different buffering curves
and their ratios have been selected to keep pH variation almost linear. The
desired pH is obtained by mixing high- and low-pH stock solutions</comments>
        </stock>
        <stock>
          <localID>5</localID>
          <stockConcentration>1</stockConcentration>
          <defaultLowConcentration>0</defaultLowConcentration>
          <defaultHighConcentration>1</defaultHighConcentration>
          <units>M</units>
          <pH>7</pH>
          <useAsBuffer>true</useAsBuffer>
          <vendorName>Jena Bioscience</vendorName>
          <comments>SPG buffer is produced by mixing succinic acid, sodium dihydrogen phosphate,
and glycine in the molar ratios 2:7:7 – succinic acid:sodium dihydrogen
phosphate:glycine.* The three chemicals have three different buffering curves
and their ratios have been selected to keep pH variation almost linear. The
desired pH is obtained by mixing high- and low-pH stock solutions</comments>
        </stock>
        <stock>
          <localID>5</localID>
          <stockConcentration>1</stockConcentration>
          <defaultLowConcentration>0</defaultLowConcentration>
          <defaultHighConcentration>1</defaultHighConcentration>
          <units>M</units>
          <pH>7</pH>
          <useAsBuffer>true</useAsBuffer>
          <vendorName>Jena Bioscience</vendorName>
          <comments>SPG buffer is produced by mixing succinic acid, sodium dihydrogen phosphate,
and glycine in the molar ratios 2:7:7 – succinic acid:sodium dihydrogen
phosphate:glycine.* The three chemicals have three different buffering curves
and their ratios have been selected to keep pH variation almost linear. The
desired pH is obtained by mixing high- and low-pH stock solutions</comments>
        </stock>
        <stock>
          <localID>6</localID>
          <stockConcentration>1</stockConcentration>
          <defaultLowConcentration>0</defaultLowConcentration>
          <defaultHighConcentration>1</defaultHighConcentration>
          <units>M</units>
          <pH>8</pH>
          <useAsBuffer>true</useAsBuffer>
          <vendorName>Jena Bioscience</vendorName>
          <comments>SPG buffer is produced by mixing succinic acid, sodium dihydrogen phosphate,
and glycine in the molar ratios 2:7:7 – succinic acid:sodium dihydrogen
phosphate:glycine.* The three chemicals have three different buffering curves
and their ratios have been selected to keep pH variation almost linear. The
desired pH is obtained by mixing high- and low-pH stock solutions</comments>
        </stock>
        <stock>
          <localID>6</localID>
          <stockConcentration>1</stockConcentration>
          <defaultLowConcentration>0</defaultLowConcentration>
          <defaultHighConcentration>1</defaultHighConcentration>
          <units>M</units>
          <pH>8</pH>
          <useAsBuffer>true</useAsBuffer>
          <vendorName>Jena Bioscience</vendorName>
          <comments>SPG buffer is produced by mixing succinic acid, sodium dihydrogen phosphate,
and glycine in the molar ratios 2:7:7 – succinic acid:sodium dihydrogen
phosphate:glycine.* The three chemicals have three different buffering curves
and their ratios have been selected to keep pH variation almost linear. The
desired pH is obtained by mixing high- and low-pH stock solutions</comments>
        </stock>
        <stock>
          <localID>7</localID>
          <stockConcentration>1</stockConcentration>
          <defaultLowConcentration>0</defaultLowConcentration>
          <defaultHighConcentration>1</defaultHighConcentration>
          <units>M</units>
          <pH>9</pH>
          <useAsBuffer>true</useAsBuffer>
          <vendorName>Jena Bioscience</vendorName>
          <comments>SPG buffer is produced by mixing succinic acid, sodium dihydrogen phosphate,
and glycine in the molar ratios 2:7:7 – succinic acid:sodium dihydrogen
phosphate:glycine.* The three chemicals have three different buffering curves
and their ratios have been selected to keep pH variation almost linear. The
desired pH is obtained by mixing high- and low-pH stock solutions</comments>
        </stock>
        <stock>
          <localID>7</localID>
          <stockConcentration>1</stockConcentration>
          <defaultLowConcentration>0</defaultLowConcentration>
          <defaultHighConcentration>1</defaultHighConcentration>
          <units>M</units>
          <pH>9</pH>
          <useAsBuffer>true</useAsBuffer>
          <vendorName>Jena Bioscience</vendorName>
          <comments>SPG buffer is produced by mixing succinic acid, sodium dihydrogen phosphate,
and glycine in the molar ratios 2:7:7 – succinic acid:sodium dihydrogen
phosphate:glycine.* The three chemicals have three different buffering curves
and their ratios have been selected to keep pH variation almost linear. The
desired pH is obtained by mixing high- and low-pH stock solutions</comments>
        </stock>
      </stocks>
      <types>
        <type>Buffer</type>
      </types>
      <bufferData>
        <titrationTable>
          <titrationPoint>
            <pH>10</pH>
            <acidToBaseRatio>0.0196078</acidToBaseRatio>
          </titrationPoint>
          <titrationPoint>
            <pH>4</pH>
            <acidToBaseRatio>0.909091</acidToBaseRatio>
          </titrationPoint>
        </titrationTable>
      </bufferData>
      <casNumbers>
        <casNumber>110-15-6</casNumber>
        <casNumber>56-40-6</casNumber>
        <casNumber>7558-80-7</casNumber>
      </casNumbers>
      <name>SPG buffer</name>
      <shortName>SPG</shortName>
    </ingredient>
    <ingredient>
      <stocks>
        <stock>
          <localID>8</localID>
          <stockConcentration>50</stockConcentration>
          <defaultLowConcentration>0</defaultLowConcentration>
          <defaultHighConcentration>50</defaultHighConcentration>
          <units>w/v</units>
          <useAsBuffer>false</useAsBuffer>
          <vendorPartNumber>CSS-255</vendorPartNumber>
          <vendorName>Jena Bioscience</vendorName>
        </stock>
      </stocks>
      <aliases>
        <alias>PEG 6000 BCC</alias>
        <alias>~PEG 6,000</alias>
        <alias>~PEG 6000</alias>
        <alias>~PEG-6000</alias>
        <alias>~PEG6K</alias>
        <alias>~polyethylene glycol 6K</alias>
        <alias>~~PEG 6K</alias>
        <alias>~~polyethylene glycol 6,000</alias>
      </aliases>
      <types>
        <type>Precipitant</type>
      </types>
      <casNumbers>
        <casNumber>25322-68-3</casNumber>
      </casNumbers>
      <name>Polyethylene glycol 6,000</name>
      <shortName>PEG 6K</shortName>
    </ingredient>
    <ingredient>
      <stocks>
        <stock>
          <localID>9</localID>
          <stockConcentration>3</stockConcentration>
          <defaultLowConcentration>0</defaultLowConcentration>
          <defaultHighConcentration>3</defaultHighConcentration>
          <units>M</units>
          <pH>5</pH>
          <useAsBuffer>true</useAsBuffer>
          <vendorName>Jena Bioscience</vendorName>
        </stock>
        <stock>
          <localID>9</localID>
          <stockConcentration>3</stockConcentration>
          <defaultLowConcentration>0</defaultLowConcentration>
          <defaultHighConcentration>3</defaultHighConcentration>
          <units>M</units>
          <pH>5</pH>
          <useAsBuffer>true</useAsBuffer>
          <vendorName>Jena Bioscience</vendorName>
        </stock>
      </stocks>
      <aliases>
        <alias>sodium acetate buffer BCC</alias>
        <alias>~acetic acid-sodium acetate</alias>
        <alias>~NaAc/acetic acid</alias>
        <alias>~Sodium Acetate / Acetic Acid</alias>
        <alias>~Sodium Acetate-Acetic Acid</alias>
      </aliases>
      <types>
        <type>Buffer</type>
      </types>
      <bufferData>
        <pKa>4.8</pKa>
      </bufferData>
      <casNumbers>
        <casNumber>127-09-3</casNumber>
      </casNumbers>
      <name>Sodium acetate</name>
      <shortName>Na Acet</shortName>
    </ingredient>
    <ingredient>
      <stocks>
        <stock>
          <localID>10</localID>
          <stockConcentration>5</stockConcentration>
          <defaultLowConcentration>0</defaultLowConcentration>
          <defaultHighConcentration>5</defaultHighConcentration>
          <units>M</units>
          <useAsBuffer>false</useAsBuffer>
          <vendorName>Jena Bioscience</vendorName>
        </stock>
      </stocks>
      <aliases>
        <alias>~Na chloride</alias>
        <alias>~na-chloride</alias>
        <alias>~salt</alias>
        <alias>~~nacl</alias>
        <alias>~~Sodium Chloride</alias>
      </aliases>
      <types>
        <type>Additive</type>
      </types>
      <casNumbers>
        <casNumber>7647-14-5</casNumber>
      </casNumbers>
      <name>Sodium chloride</name>
      <shortName>NaCl</shortName>
    </ingredient>
    <ingredient>
      <stocks>
        <stock>
          <localID>11</localID>
          <stockConcentration>5</stockConcentration>
          <defaultLowConcentration>0</defaultLowConcentration>
          <defaultHighConcentration>5</defaultHighConcentration>
          <units>M</units>
          <useAsBuffer>false</useAsBuffer>
          <vendorName>Jena Bioscience</vendorName>
        </stock>
      </stocks>
      <types>
        <type>Additive</type>
      </types>
      <casNumbers>
        <casNumber>12125-02-9</casNumber>
      </casNumbers>
      <name>Ammonium chloride</name>
      <shortName>NH4Cl</shortName>
    </ingredient>
    <ingredient>
      <stocks>
        <stock>
          <localID>12</localID>
          <stockConcentration>5</stockConcentration>
          <defaultLowConcentration>0</defaultLowConcentration>
          <defaultHighConcentration>5</defaultHighConcentration>
          <units>M</units>
          <useAsBuffer>false</useAsBuffer>
          <vendorPartNumber>CSS-202</vendorPartNumber>
          <vendorName>Jena Bioscience</vendorName>
        </stock>
      </stocks>
      <aliases>
        <alias>~Li Chloride</alias>
        <alias>~~licl</alias>
      </aliases>
      <types>
        <type>Additive</type>
      </types>
      <casNumbers>
        <casNumber>7447-41-8</casNumber>
      </casNumbers>
      <name>Lithium chloride</name>
      <shortName>LiCl</shortName>
    </ingredient>
    <ingredient>
      <stocks>
        <stock>
          <localID>13</localID>
          <stockConcentration>2.5</stockConcentration>
          <defaultLowConcentration>0</defaultLowConcentration>
          <defaultHighConcentration>2.5</defaultHighConcentration>
          <units>M</units>
          <useAsBuffer>false</useAsBuffer>
          <vendorName>Jena Bioscience</vendorName>
        </stock>
      </stocks>
      <aliases>
        <alias>~Magnesium  Chloride</alias>
        <alias>~Mg Chloride</alias>
        <alias>~mg-chloride</alias>
        <alias>~~Magnesium Chloride</alias>
        <alias>~~Magnesium chloride hexahydrate</alias>
        <alias>~~MgCl2</alias>
      </aliases>
      <types>
        <type>Additive</type>
      </types>
      <casNumbers>
        <casNumber>7786-30-3</casNumber>
      </casNumbers>
      <name>Magnesium chloride</name>
      <shortName>MgCl2</shortName>
    </ingredient>
    <ingredient>
      <stocks>
        <stock>
          <localID>14</localID>
          <stockConcentration>5</stockConcentration>
          <defaultLowConcentration>0</defaultLowConcentration>
          <defaultHighConcentration>5</defaultHighConcentration>
          <units>M</units>
          <useAsBuffer>false</useAsBuffer>
          <vendorPartNumber>CSS-155</vendorPartNumber>
          <vendorName>Jena Bioscience</vendorName>
        </stock>
      </stocks>
      <types>
        <type>Additive</type>
      </types>
      <casNumbers>
        <casNumber>10043-52-4</casNumber>
      </casNumbers>
      <name>Calcium chloride</name>
      <shortName>CaCl2</shortName>
    </ingredient>
    <ingredient>
      <stocks>
        <stock>
          <localID>15</localID>
          <stockConcentration>1</stockConcentration>
          <defaultLowConcentration>0</defaultLowConcentration>
          <defaultHighConcentration>1</defaultHighConcentration>
          <units>M</units>
          <useAsBuffer>false</useAsBuffer>
          <vendorPartNumber>CSS-325</vendorPartNumber>
          <vendorName>Jena Bioscience</vendorName>
        </stock>
      </stocks>
      <types>
        <type>Additive</type>
      </types>
      <casNumbers>
        <casNumber>7646-85-7</casNumber>
      </casNumbers>
      <name>Zinc chloride</name>
      <shortName>ZnCl2</shortName>
    </ingredient>
    <ingredient>
      <stocks>
        <stock>
          <localID>16</localID>
          <stockConcentration>1</stockConcentration>
          <defaultLowConcentration>0</defaultLowConcentration>
          <defaultHighConcentration>1</defaultHighConcentration>
          <units>M</units>
          <pH>4</pH>
          <useAsBuffer>true</useAsBuffer>
          <vendorName>Jena Bioscience</vendorName>
          <comments>MIB buffer is produced by mixing sodium malonate, imidazole, and boric acid
in the molar ratios 2:3:3 – sodium malonate:imidazole:boric acid.* The three
chemicals have three different buffering curves and their ratios have been
selected to keep pH variation almost linear. The desired pH is obtained by
mixing high- and low-pH stock solutions</comments>
        </stock>
        <stock>
          <localID>16</localID>
          <stockConcentration>1</stockConcentration>
          <defaultLowConcentration>0</defaultLowConcentration>
          <defaultHighConcentration>1</defaultHighConcentration>
          <units>M</units>
          <pH>4</pH>
          <useAsBuffer>true</useAsBuffer>
          <vendorName>Jena Bioscience</vendorName>
          <comments>MIB buffer is produced by mixing sodium malonate, imidazole, and boric acid
in the molar ratios 2:3:3 – sodium malonate:imidazole:boric acid.* The three
chemicals have three different buffering curves and their ratios have been
selected to keep pH variation almost linear. The desired pH is obtained by
mixing high- and low-pH stock solutions</comments>
        </stock>
        <stock>
          <localID>17</localID>
          <stockConcentration>1</stockConcentration>
          <defaultLowConcentration>0</defaultLowConcentration>
          <defaultHighConcentration>1</defaultHighConcentration>
          <units>M</units>
          <pH>5</pH>
          <useAsBuffer>true</useAsBuffer>
          <vendorName>Jena Bioscience</vendorName>
          <comments>MIB buffer is produced by mixing sodium malonate, imidazole, and boric acid
in the molar ratios 2:3:3 – sodium malonate:imidazole:boric acid.* The three
chemicals have three different buffering curves and their ratios have been
selected to keep pH variation almost linear. The desired pH is obtained by
mixing high- and low-pH stock solutions</comments>
        </stock>
        <stock>
          <localID>17</localID>
          <stockConcentration>1</stockConcentration>
          <defaultLowConcentration>0</defaultLowConcentration>
          <defaultHighConcentration>1</defaultHighConcentration>
          <units>M</units>
          <pH>5</pH>
          <useAsBuffer>true</useAsBuffer>
          <vendorName>Jena Bioscience</vendorName>
          <comments>MIB buffer is produced by mixing sodium malonate, imidazole, and boric acid
in the molar ratios 2:3:3 – sodium malonate:imidazole:boric acid.* The three
chemicals have three different buffering curves and their ratios have been
selected to keep pH variation almost linear. The desired pH is obtained by
mixing high- and low-pH stock solutions</comments>
        </stock>
        <stock>
          <localID>18</localID>
          <stockConcentration>1</stockConcentration>
          <defaultLowConcentration>0</defaultLowConcentration>
          <defaultHighConcentration>1</defaultHighConcentration>
          <units>M</units>
          <pH>6</pH>
          <useAsBuffer>true</useAsBuffer>
          <vendorName>Jena Bioscience</vendorName>
          <comments>MIB buffer is produced by mixing sodium malonate, imidazole, and boric acid
in the molar ratios 2:3:3 – sodium malonate:imidazole:boric acid.* The three
chemicals have three different buffering curves and their ratios have been
selected to keep pH variation almost linear. The desired pH is obtained by
mixing high- and low-pH stock solutions</comments>
        </stock>
        <stock>
          <localID>18</localID>
          <stockConcentration>1</stockConcentration>
          <defaultLowConcentration>0</defaultLowConcentration>
          <defaultHighConcentration>1</defaultHighConcentration>
          <units>M</units>
          <pH>6</pH>
          <useAsBuffer>true</useAsBuffer>
          <vendorName>Jena Bioscience</vendorName>
          <comments>MIB buffer is produced by mixing sodium malonate, imidazole, and boric acid
in the molar ratios 2:3:3 – sodium malonate:imidazole:boric acid.* The three
chemicals have three different buffering curves and their ratios have been
selected to keep pH variation almost linear. The desired pH is obtained by
mixing high- and low-pH stock solutions</comments>
        </stock>
        <stock>
          <localID>19</localID>
          <stockConcentration>1</stockConcentration>
          <defaultLowConcentration>0</defaultLowConcentration>
          <defaultHighConcentration>1</defaultHighConcentration>
          <units>M</units>
          <pH>7</pH>
          <useAsBuffer>true</useAsBuffer>
          <vendorName>Jena Bioscience</vendorName>
          <comments>MIB buffer is produced by mixing sodium malonate, imidazole, and boric acid
in the molar ratios 2:3:3 – sodium malonate:imidazole:boric acid.* The three
chemicals have three different buffering curves and their ratios have been
selected to keep pH variation almost linear. The desired pH is obtained by
mixing high- and low-pH stock solutions</comments>
        </stock>
        <stock>
          <localID>19</localID>
          <stockConcentration>1</stockConcentration>
          <defaultLowConcentration>0</defaultLowConcentration>
          <defaultHighConcentration>1</defaultHighConcentration>
          <units>M</units>
          <pH>7</pH>
          <useAsBuffer>true</useAsBuffer>
          <vendorName>Jena Bioscience</vendorName>
          <comments>MIB buffer is produced by mixing sodium malonate, imidazole, and boric acid
in the molar ratios 2:3:3 – sodium malonate:imidazole:boric acid.* The three
chemicals have three different buffering curves and their ratios have been
selected to keep pH variation almost linear. The desired pH is obtained by
mixing high- and low-pH stock solutions</comments>
        </stock>
        <stock>
          <localID>20</localID>
          <stockConcentration>1</stockConcentration>
          <defaultLowConcentration>0</defaultLowConcentration>
          <defaultHighConcentration>1</defaultHighConcentration>
          <units>M</units>
          <pH>8</pH>
          <useAsBuffer>true</useAsBuffer>
          <vendorName>Jena Bioscience</vendorName>
          <comments>MIB buffer is produced by mixing sodium malonate, imidazole, and boric acid
in the molar ratios 2:3:3 – sodium malonate:imidazole:boric acid.* The three
chemicals have three different buffering curves and their ratios have been
selected to keep pH variation almost linear. The desired pH is obtained by
mixing high- and low-pH stock solutions</comments>
        </stock>
        <stock>
          <localID>20</localID>
          <stockConcentration>1</stockConcentration>
          <defaultLowConcentration>0</defaultLowConcentration>
          <defaultHighConcentration>1</defaultHighConcentration>
          <units>M</units>
          <pH>8</pH>
          <useAsBuffer>true</useAsBuffer>
          <vendorName>Jena Bioscience</vendorName>
          <comments>MIB buffer is produced by mixing sodium malonate, imidazole, and boric acid
in the molar ratios 2:3:3 – sodium malonate:imidazole:boric acid.* The three
chemicals have three different buffering curves and their ratios have been
selected to keep pH variation almost linear. The desired pH is obtained by
mixing high- and low-pH stock solutions</comments>
        </stock>
        <stock>
          <localID>21</localID>
          <stockConcentration>1</stockConcentration>
          <defaultLowConcentration>0</defaultLowConcentration>
          <defaultHighConcentration>1</defaultHighConcentration>
          <units>M</units>
          <pH>9</pH>
          <useAsBuffer>true</useAsBuffer>
          <vendorName>Jena Bioscience</vendorName>
          <comments>MIB buffer is produced by mixing sodium malonate, imidazole, and boric acid
in the molar ratios 2:3:3 – sodium malonate:imidazole:boric acid.* The three
chemicals have three different buffering curves and their ratios have been
selected to keep pH variation almost linear. The desired pH is obtained by
mixing high- and low-pH stock solutions</comments>
        </stock>
        <stock>
          <localID>21</localID>
          <stockConcentration>1</stockConcentration>
          <defaultLowConcentration>0</defaultLowConcentration>
          <defaultHighConcentration>1</defaultHighConcentration>
          <units>M</units>
          <pH>9</pH>
          <useAsBuffer>true</useAsBuffer>
          <vendorName>Jena Bioscience</vendorName>
          <comments>MIB buffer is produced by mixing sodium malonate, imidazole, and boric acid
in the molar ratios 2:3:3 – sodium malonate:imidazole:boric acid.* The three
chemicals have three different buffering curves and their ratios have been
selected to keep pH variation almost linear. The desired pH is obtained by
mixing high- and low-pH stock solutions</comments>
        </stock>
      </stocks>
      <types>
        <type>Buffer</type>
      </types>
      <bufferData>
        <titrationTable>
          <titrationPoint>
            <pH>10</pH>
            <acidToBaseRatio>0.0196078</acidToBaseRatio>
          </titrationPoint>
          <titrationPoint>
            <pH>4</pH>
            <acidToBaseRatio>0.909091</acidToBaseRatio>
          </titrationPoint>
        </titrationTable>
      </bufferData>
      <casNumbers>
        <casNumber>10043-35-3</casNumber>
        <casNumber>141-82-2</casNumber>
        <casNumber>288-32-4</casNumber>
      </casNumbers>
      <name>MIB buffer</name>
      <shortName>MIB</shortName>
    </ingredient>
    <ingredient>
      <stocks>
        <stock>
          <localID>22</localID>
          <stockConcentration>3</stockConcentration>
          <defaultLowConcentration>0</defaultLowConcentration>
          <defaultHighConcentration>3</defaultHighConcentration>
          <units>M</units>
          <pH>6</pH>
          <useAsBuffer>true</useAsBuffer>
          <vendorName>Jena Bioscience</vendorName>
        </stock>
        <stock>
          <localID>22</localID>
          <stockConcentration>3</stockConcentration>
          <defaultLowConcentration>0</defaultLowConcentration>
          <defaultHighConcentration>3</defaultHighConcentration>
          <units>M</units>
          <pH>6</pH>
          <useAsBuffer>true</useAsBuffer>
          <vendorName>Jena Bioscience</vendorName>
        </stock>
      </stocks>
      <aliases>
        <alias>MES BCC</alias>
        <alias>~MES sodium salt</alias>
        <alias>~MES-NaOH</alias>
        <alias>~MES/NaOH</alias>
        <alias>~Na MES</alias>
        <alias>~NaMES</alias>
        <alias>~sodium MES</alias>
      </aliases>
      <types>
        <type>Buffer</type>
      </types>
      <bufferData>
        <pKa>6.1</pKa>
      </bufferData>
      <casNumbers>
        <casNumber>71119-23-8</casNumber>
      </casNumbers>
      <name>MES</name>
      <shortName>MES</shortName>
    </ingredient>
  </ingredients>
</screen>
