Acrylamide-Bisacrylamide 19:1 40 Percent Solution in Water Electrophoresis Grade size:100 ML 20% ELEMENTAL IMPURITIES AS REPORTED

20% ELEMENTAL IMPURITIES AS REPORTED AS REPORTED ORGANIC IMPURITIES: NORPHENYLEPHRINE 0

50% TIN (Sn) 12

water) TO PASS TEST TO PASS TEST RESIDUE AFTER EVAPORATION 3 ppm HEAVY METALS (as Pb) 1 ppm TITRABLE ACID 0

Test Specification Min Max MICROBIAL LIMITS: TOTAL PLATE COUNT 10000/g YEAST AND MOLD 300/g ESCHERICHIA COLI NEGATIVE SALMONELLA NEGATIVE RETEST DATE

5 9 INSOLUBLE MATTER 0

Acrylamide-Bisacrylamide 19:1 40 Percent Solution in Water Electrophoresis Grade size:100 ML 20% ELEMENTAL IMPURITIES AS REPORTEDTest Specification Min Max ACRYLAMIDE (w v) APPROX. 38 % APPROX. 38 % BISACRYLAMIDE (w v) APPROX. 2 % APPROX. 2 % DNase, RNase and Protease NONE DETECTED NONE DETECTED