Test Specification Min Max ASSAY 10 % +/- 0.3 % 10 % +/- 0.3 % STANDARDIZED AGAINST NIST EXPIRATION DATE MANUFACTURE DATE

Test Specification Min Max ABSORPTION MAX 630 (422) nm 630 (422) nm

Test Specification Min Max ASSAY 99.0 - 101.0 % 99.0 - 101.0 % INSOLUBLE MATTER 0.01% RESIDUE AFTER IGNITION 0.01% OTHER HALOGENS (as Cl) 0.01% SULFATE (SO[@4@]) 0.01% HEAVY METALS...

Test Specification Min Max WATER 0.25%

Test Specification Min Max ASSAY 99% IRON (Fe) 0.00% SULFATES (SO[@4@]) 0.10% RETEST DATE

Test Specification Min Max ABSORPTION MAX 622 (427) nm 622 (427) nm

Test Specification Min Max APPEARANCE

Test Specification Min Max APPEARANCE EXPIRATION DATE

Test Specification Min Max ABSORPTION MAX 548 (510)nm 548 (510)nm VISUAL TRANSITION INTERVALS pH 2.1 (clrls.) pH 2.1 (clrls.)

Test Specification Min Max ASSAY (C[@3@]H[@6@]O) 99.50% COLOR (APHA) 10 RESIDUE AFTER EVAPORATION 0.00% WATER 0.50% EXPIRATION DATE

Test Specification Min Max CLARITY OF SOLUTION TO PASS TEST TO PASS TEST SUITABILITY AS COMPLEXOMETRIC INDICATOR TO PASS TEST TO PASS TEST

Test Specification Min Max CLARITY OF AQUEOUS SOLUTION TO PASS TEST TO PASS TEST SUITABILITY AS ADSORPTION INDICATOR TO PASS TEST TO PASS TEST

Test Specification Min Max ABSORPTION MAX 600 nm 600 nm VISUAL TRANSITION INTERVALS pH 10.0 (blue) t pH 10.0 (blue) t

Test Specification Min Max ABSORPTION MAX. (IN WATER) 598 nm 598 nm

Test Specification Min Max ABSORPTION MAX 657 (618) nm 657 (618) nm

Test Specification Min Max APPEARANCE

Test Specification Min Max ASSAY (AgNO[@3@]) 99.00% 99.00% CLARITY OF SOLUTION TO PASS TEST TO PASS TEST CHLORIDE (Cl) 5 ppm FREE ACID TO PASS TEST TO PASS TEST SUBSTANCES...

Test Specification Min Max COLOR (APHA) 10 RESIDUE AFTER EVAPORATION 0.00% WATER 0.10%

Test Specification Min Max ABSORPTION MAX 434 (370) nm 434 (370) nm