Test Specification Min Max SPECIFIC GRAVITY 1.446 - 1.463 1.446 - 1.463 WATER (KARL FISHER) 0.10% EXPIRATION DATE

Test Specification Min Max APPEARANCE WHITE POWDER WHITE POWDER ODOR ODORLESS ODORLESS ASSAY (Na[@2@]HPO[@4@]) 98.0-100.5 % 98.0-100.5 % SOLUBILITY (5.5 g in 100 ml) CLEAR & COLORLE CLEAR & COLORLE...

Test Specification Min Max ACRYLAMIDE (w/v) Approx. 38.96 % Approx. 38.96 % BISACRYLAMIDE (w/v) Approx. 1.04 % Approx. 1.04 % DNase, RNase and Protease NONE DETECTED NONE DETECTED EXPIRATION DATE...

Test 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

Test Specification Min Max ASSAY 97% 97% RETEST DATE

Test Specification Min Max ASSAY 99% MELTING POINT 83 86�C pH 5.5 7 WATER-INSOLUBLE SUBSTANCES 0.01% ACRYLIC ACID 0.00% APPEARANCE RETEST DATE DATE OF MANUFACTURE

Test Specification Min Max NO SPECIFICATIONS

Test Specification Min Max ABSORBANCE MAX. 489 nm 489 nm

Test Specification Min Max ASSAY 97% 97%

Test Specification Min Max ASSAY APPROX. 98 % APPROX. 98 %

Test Specification Min Max APPEARANCE WHITE CRYSTALS WHITE CRYSTALS ASSAY 98% 98%

Test Specification Min Max APPEARANCE WHITE POWDER WHITE POWDER ASSAY 98% 98%

Test Specification Min Max PURITY (Neutralization titration) 98.00% MELTING POINT 74.0 - 77.0 C 74.0 - 77.0 C

Test Specification Min Max APPEARANCE

Test Specification Min Max SPECIFIC ROTATION -72� to -68� -72� to -68�

Test Specification Min Max APPEARANCE

Test Specification Min Max ASSAY (C[@2@]H[@6@]OS) 98% 98% RETEST DATE

Test Specification Min Max ASSAY (DRIED BASIS) 98.50% SPECIFIC ROTATION [a][@D@] +14.9� to +17.3 +14.9� to +17.3 LOSS ON DRYING @ 105 C 0.20% RESIDUE ON IGNITION 0.40% EXPIRATION DATE...

Test Specification Min Max ASSAY (NaHCO[@3@]; DRIED BASIS) 99.7 - 100.3 % 99.7 - 100.3 % SOLUBILITY 1 g in 11 ml H[@2@]O, 25�C Soluble Soluble AMMONIA (NH[@3@]) TO PASS...

Test Specification Min Max ASSAY (Na[@2@]C[@2@]O[@4@]) 99.95-100.05 % 99.95-100.05 % NEUTRALITY TO PASS TEST INSOLUBLE MATTER 0.01% LOSS ON DRYING @ 105 C 0.01% CHLORIDE (Cl) 0.00% SULFATES (SO[@4@]) 0.00%...

Test Specification Min Max ASSAY (Na[@2@]C[@4@]H[@4@]O[@6@][-2H[@2@]O) 99.0-101.0 % 99.0-101.0 % LOSS ON DRYING @ 150[dC 15.61-15.71 % 15.61-15.71 % pH OF A 5% SOLUTION @ 25[dC 7.0 - 9.0 7.0...

Test Specification Min Max APPEARANCE WHITE, COLORLESS WHITE, COLORLESS ODOR ODORLESS ODORLESS SPECIFIC ROTATION @ 25 C (DRIED BASIS; 105 C) 65.9 RESIDUE ON IGNITION 0.05% CHLORIDE (Cl) 0.01% SULFATES...

Test Specification Min Max ASSAY [(CH[@3@])[@2@]CO] 99.50% SOLUBILITY IN WATER TO PASS TEST TO PASS TEST COLOR (APHA) 10 ACIDITY 0.3 ueq/g ALKALINITY 0.5 ueq/g WATER 0.50% RESIDUE AFTER EVAPORATION...

Test Specification Min Max APPEARANCE FINE,WHITE,CRYST FINE,WHITE,CRYST ASSAY (C[@6@]H[@14@]O[@6@]; DRIED BASIS) 96.0 - 101.5 % 96.0 - 101.5 % APPEARANCE OF SOLUTION (2 g in 20 ml) CLEAR AND COLORL...

Test Specification Min Max APPEARANCE COLORLESS CRYSTA COLORLESS CRYSTA ASSAY (MgCl[@2@][-6H[@2@]O) 98.0-101.0 % 98.0-101.0 % pH OF A 5% SOLUTION @ 25[dC 4.5 - 7.0 4.5 - 7.0 INSOLUBLE MATTER...

Test Specification Min Max ASSAY (DRIED BASIS) 98.5 - 101.5 % 98.5 - 101.5 % SPECIFIC ROTATION [a][@D@] +20.3 to+21.3 +20.3 to+21.3 LOSS ON DRYING 1% RESIDUE AFTER IGNITION 0.20%...

Test Specification Min Max APPEARANCE White, crystalli White, crystalli ASSAY [(NH[@4@])[@2@]SO[@4@]] 99.00% pH OF A 5% SOLUTION @ 25[dC 5.0 - 6.0 5.0 - 6.0 SOLUBILITY (10g in 50ml) Clear,...

Test Specification Min Max ASSAY 99.50% 99.50% pH OF A 5% SOLUTION @ 25[dC 5.0 - 6.0 5.0 - 6.0 ARSENIC (As) 0.00% IRON (Fe) 0.00% MAGNESIUM (Mg) 1 ppm...

Test Specification Min Max ASSAY 99.70% COLOR (APHA) 10 SOLUBILITY IN WATER TO PASS TEST TO PASS TEST SUBSTANCES REDUCING DICHROMATE TO PASS TEST TO PASS TEST SUBSTANCES REDUCING PERMANGANATE...

Test Specification Min Max APPEARANCE

Test Specification Min Max ASSAY (C[@2@]H[@5@]NO[@2@]) 99.00% IDENTIFICATION (by IR) TO PASS TEST TO PASS TEST ABSORBANCE OF A 1M SOLUTION @280 nm 0.1 CHLORIDE (Cl) 0.01% DNASE AND RNASE...

Test Specification Min Max ASSAY (C[@6@]H[@19@]NSi[@2@]) 99.00% REFRACTIVE INDEX 1.405 1.406 TRAILING IMPURITIES (AREA %) APPROX. 0.1 % APPROX. 0.1 % COLOR (APHA) 10 ABSORBANCE @ 270 nm 0.25 TURBIDITY...

Test Specification Min Max ASSAY [(OHCH[@2@]CH[@2@])[@2@]NH] 98.50% APPARENT EQUIVALENT WEIGHT 104.0 - 106.0 104.0 - 106.0 COLOR (APHA) 15 RESIDUE AFTER IGNITION 0.01% 2-AMINOETHANOL 1.00% TRIETHANOLAMINE 1.00% WATER 0.15%

Test Specification Min Max ASSAY 99.00% pK @ 20[dC 7.6 - 8.6 7.6 - 8.6 pH of a 10% Aqueous Solution 05-Jul 05-Jul SOLUBILITY (10% IN WATER) CLEAR AND COLORL...