| http://www.w3.org/ns/prov#value | - 11.2.3) is complete.11.2.1 Place a beaker containing a sample or QC aliquot on the magnetic stirrer in a fume hood, drop a clean stirring bar into the beaker, and increase the speed of the stirring bar until the vortex is drawn to the bottom of the beaker.11.2.2 Measure 25 to 26 mL of K2CO3 buffer into a graduated cylinder or other container and 25 to 26 mL of acetic acid into another.11.2.3 Add
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