Boric Acid Crystal Reagent ACS size:2.5 KG 0 % pH OF A

0 % pH OF A 1 IN 10 SOLUTION 6

Test Specification Min Max APPEARANCE PALE YELLOW TO D PALE YELLOW TO D SPECIFIC GRAVITY @ 25�C 0

Test Specification Min Max ABSORPTION MAX 599 nm 599 nm

01% CALCIUM AND MAGNESIUM TO PASS TEST POTASSIUM (K) TO PASS TEST ELEMENTAL IMPURITIES AS REPORTED AS REPORTED IDENTIFICATION TO PASS TEST EXPIRATION DATE DATE OF MANUFACTURE APPEARANCE RESIDUAL SOLVENTS TO PASS TEST

Test Specification Min Max PURITY (GC) 98% 98% PURITY (Neutralization titration) 98% 98% SPECIFIC GRAVITY (20/20) 1

Boric Acid Crystal Reagent ACS size:2.5 KG 0 % pH OF ATest Specification Min Max ASSAY (H[@3@]BO[@3@]) 99. 50% INSOLUBLE IN METHANOL 0. 01% NONVOLATILE IN METHANOL 0. 05% CHLORIDE (Cl) 0. 00% PHOSPHATE (PO[@4@]) 0. 00% SULFATE 0. 01% CALCIUM (Ca) 0. 01% HEAVY METALS (as Pb) 0. 00% IRON (Fe) 0. 00%