Test Specification Min Max ASSAY 99.50% FREEZING RANGE 1� -3�C 1� -3�C CONDUCTIVITY 100 umhos ABSORBANCE @ 280 nm 0.05 IRON (Fe) 0.00% COPPER 0.1 ppm LEAD 0.5 ppm ZINC...

Test Specification Min Max ASSAY APPROX.99.8 % APPROX.99.8 % WATER 0.01% RESIDUE AFTER EVAPORATION 0.00%

Test Specification Min Max ASSAY APPROX. 99.8 % APPROX. 99.8 % WATER (100 ml size) 0.01% WATER (1L size) 0.00% RESIDUE AFTER EVAPORATION 0.00% RETEST DATE

Test Specification Min Max TYPICAL ASSAY 99.50% 99.50% HEAVY METALS (as Pb) 5 ppm EXPIRATION DATE ABSORBANCE OF A 3% AQUEOUS SOLUTION: @ 450 nm 0.01 @ 280 nm 0.05...

Test Specification Min Max ASSAY 99% 99%

Test Specification Min Max ASSAY 99.00% WATER 0.05% RETEST DATE

Test Specification Min Max ASSAY 99% DISTILLING RANGE 85 - 91 C 85 - 91 C

Test Specification Min Max APPEARANCE FINE,WHITE,CRYST FINE,WHITE,CRYST ASSAY 99.90% ABSORBANCE OF A 50 % (W/V) SOLN.@ 260 nm 0.02 INSOLUBLE MATTER TO PASS TEST TO PASS TEST HEAVY METALS (as...

Test Specification Min Max ASSAY (KCl) 99.0 - 100.5 % 99.0 - 100.5 % pH OF A 5% SOLUTION @ 25[dC 5.4 - 8.6 5.4 - 8.6 INSOLUBLE MATTER 0.01%...

Test Specification Min Max APPEARANCE Fine, white, cry Fine, white, cry ASSAY 99% pKa @ 25[dC 7.2 7.8 LOSS ON DRYING 1.00% SULFATED ASH 0.10% LAL BACTERIAL ENDOTOXINS 20 EU/g...

Test Specification Min Max SOLUBILITY Soluble in water Soluble in water pH OF A 20% SOLUTION 3.8 4.6

Test Specification Min Max ASSAY APPROX.99.5 % APPROX.99.5 % WATER 0.01% RETEST DATE

Test Specification Min Max ASSAY 0.9 % +/- 0.006 0.9 % +/- 0.006 TRACEABLE TO NIST APPEARANCE EXPIRATION DATE DATE OF MANUFACTURE