Test Specification Min Max APPEARANCE

Test Specification Min Max ABSORPTION MAX. (in TOLUENE) 507 (354) nm 507 (354) nm

Test Specification Min Max ASSAY 9.8 - 10.2 % w/v 9.8 - 10.2 % w/v TRACEABLE TO NIST EXPIRATION DATE

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

Test Specification Min Max ABSORPTION MAX. (IN WATER) APPROX. 475 nm APPROX. 475 nm

Test Specification Min Max ASSAY (OsO[@4@]) 98.00% CLARITY OF SOLUTION TO PASS TEST TO PASS TEST IDENTIFICATION TO PASS TEST TO PASS TEST

Test Specification Min Max ABSORPTION MAX 518 (359)

Test Specification Min Max APPEARANCE

Test Specification Min Max ABSORPTION MAX 540 nm VISUAL TRANSITION INTERVALS pH 6.8 (red) to pH 6.8 (red) to

Test Specification Min Max CLARITY OF SOLUTION TO PASS TEST TO PASS TEST VISUAL TRANSITION INTERVALS pH 3.2 (pink) to pH 3.2 (pink) to

Test Specification Min Max ABSORPTION MAX APPROX. 661 nm APPROX. 661 nm

Test Specification Min Max ABSORPTION MAX 666 nm 666 nm

Test Specification Min Max ABSORPTION MAX 608 nm 608 nm

Test Specification Min Max ASSAY 99.80% 99.80% COLOR (APHA) 10 NONVOLATILE RESIDUE 0.00% FREE CHLORINE (Cl) TO PASS TEST TO PASS TEST

Test Specification Min Max COLOR (APHA) 10 RESIDUE AFTER EVAPORATION 0.00% WATER 0.05%

Test Specification Min Max APPEARANCE

Test Specification Min Max COLOR (APHA) 10 RESIDUE AFTER EVAPORATION 0.00% WATER 0.20% RETEST DATE

Test Specification Min Max COLOR (APHA) 20 PRESERVATIVE (SODIUM[nDIETHYLDITHIOCARBAMATE) APPROX.0.001 % APPROX.0.001 % PEROXIDE (as H[@2@]O[@2@]) 0.01% RESIDUE AFTER EVAPORATION 0.01% WATER 0.05% EXPIRATION DATE

Test Specification Min Max APPEARANCE EXPIRATION DATE

Test Specification Min Max ASSAY (Au) 49.00% INSOLUBLE IN ETHER 0.10% ALKALIES & OTHER METALS[n (as SO[@4@]) 0.20%