Test Specification Min Max ASSAY 98% 98%

Test Specification Min Max ASSAY 94%

Test Specification Min Max ASSAY 99.0 - 102.0 % 99.0 - 102.0 % HEAVY METALS (as Pb) 10 ppm ARSENIC (As) 3 ppm LOSS ON DRYING 1.00%

Test Specification Min Max APPEARANCE

Test Specification Min Max APPEARANCE EXPIRATION DATE MANUFACTURE DATE

Test Specification Min Max ACIDITY (as H[@2@]SO[@4@]) 35 36.50% ARSENIC (As) 5 ppm CALCIUM AND MAGNESIUM Ppt. 50 ppm CHLORIDE (Cl) 20 ppm HEAVY METALS (as Pb) 5 ppm INSOLUBLE...

Test Specification Min Max APPEARANCE

Test Specification Min Max ASSAY (% as MONOHYDRATE) 98.0 - 100.5 % 98.0 - 100.5 % WATER 8.5 - 10.0 % 8.5 - 10.0 %

Test Specification Min Max ASSAY (DRIED BASIS) 98.0- 101.0 % 98.0- 101.0 % APPEARANCE OF A 13 % SOLUTION IN WATER CLEAR, COLORLESS CLEAR, COLORLESS pH OF A 13 %...

Test Specification Min Max ASSAY 95% 95%

Test Specification Min Max ASSAY 98.00% 98.00% pH OF A 5% SOLUTION 5.5 - 8.5 5.5 - 8.5

Test Specification Min Max APPEARANCE

Test Specification Min Max ASSAY (METAL BASIS) APPROX. 99.5% APPROX. 99.5%

Test Specification Min Max APPEARANCE

Test Specification Min Max ASSAY APROX. 99% APROX. 99%

Test Specification Min Max ASSAY (H[@2@]SeO[@3@]) 93 101.00%

Test Specification Min Max APPEARANCE

Test Specification Min Max APPEARANCE

Test Specification Min Max APPEARANCE EXPIRATION DATE DATE OF MANUFACTURE

Test Specification Min Max SPECIFIC GRAVITY @ 25?? 0.990 - 1.010 0.990 - 1.010 SOLUBILITY IN WATER TO PASS TEST TO PASS TEST RETEST DATE

Test Specification Min Max ABSORPTION MAX APPROX. 548 nm APPROX. 548 nm EXPIRATION DATE