Perchloric Acid 0.1 N Solution in Glacial Acetic Acid (U.S.P. Volumetric Solution) Heterocyclic Quarternary Ammonium Salts 10% IDENTIFICATION TO PASS TEST

10% IDENTIFICATION TO PASS TEST RETEST DATE DATE OF MANUFACTURE APPEARANCE

25% RESIDUE ON IGNITION 0

5 ppb SELENIUM (Se) 1 ppb SILVER (Ag) 1 ppb SODIUM (Na) 1 ppb STRONTIUM (Sr) 1 ppb TANTALUM AS REPORTED AS REPORTED TELLURIUM 0

Test Specification Min Max pH @ 25

Test Specification Min Max APPEARANCE WHITE TO SLIGHTY WHITE TO SLIGHTY pH OF A 6% SOLUTION 4

Perchloric Acid 0.1 N Solution in Glacial Acetic Acid (U.S.P. Volumetric Solution) Heterocyclic Quarternary Ammonium Salts 10% IDENTIFICATION TO PASS TESTTest Specification Min Max ASSAY 0. 1N + 0. 005N 0. 1N + 0. 005N WATER (KARL FISHER) 0. 02 0. 05 % 0. 02 0. 05 % STANDARDIZED AGAINST NIST EXPIRATION DATE