Perchloric Acid 60 Percent Reagent ACS GC Derivatizing Reagents Test Specification Min Max ABSORPTION

Test Specification Min Max ABSORPTION MAX 611 nm 611 nm VISUAL TRANSITION INTERVALS pH 4

Test Specification Min Max MELTING RANGE 41 - 44 C 41 - 44 C SPECIFIC ROTATION [a][@D@] -45 to -51 -45 to -51 NONVOLATILE RESIDUE 0

Test Specification Min Max SENSITIVITY TO ALUMINUM TO PASS TEST TO PASS TEST INSOLUBLE MATTER 0

Test Specification Min Max ASSAY (C[@6@]H[@6@]) 99 - 100 % 99 - 100 %

Perchloric Acid 60 Percent Reagent ACS GC Derivatizing Reagents Test Specification Min Max ABSORPTIONTest Specification Min Max ASSAY (HClO[@4@]) 60. 0 62. 0 % 60. 0 62. 0 % COLOR (APHA) 10 RESIDUE AFTER IGNITION 0. 00% SILICATE AND PHOSPHATE (as SiO[@2@]) 5 ppm CHLORIDE (Cl) 0. 00% NITROGEN COMPOUNDS (as N) 0. 00% SULFATES (SO[@4@]) 0. 00% HEAVY METALS (as Pb) 1 ppm IRON (Fe) 1 ppm