Ammonium Hydroxide TraceGrade size:4 LT 00% IRON 0

00% IRON 0

Test Specification Min Max ALUMINUM 500 ppm VANADIUM 250 ppm ARSENIC (As) 100 ppm BERYLLIUM (BE) 100 ppm CHROMIUM (Cr) 100 ppm COBALT (Co) 100 ppm COPPER (Cu) 100 ppm IRON (Fe) 100 ppm LEAD (Pb) 100 ppm MANGANESE (Mn) 100 ppm NICKEL (Ni) 100 ppm ZINC (Zn) 100 ppm CADMIUM (Cd) 25 ppm SELENIUM (Se) 25 ppm MERCURY (Hg) 5 ppm EXPIRATION DATE

10% ORDINARY IMPURITIES TO PASS TEST TO PASS TEST IDENTIFICATION TO PASS TEST TO PASS TEST RETEST DATE RESIDUAL SOLVENTS TO PASS TEST TO PASS TEST

Test Specification Min Max ASSAY 99% WATER (KF) 2

0 SURFACE AREA 480 - 550 m2/g 480 - 550 m2/g PARTICLE SIZE DISTRIBUTION UNDER 45�m 15

Ammonium Hydroxide TraceGrade size:4 LT 00% IRON 0Test Specification Min Max ASSAY (w w) 20 22% 20 22% COLOR (APHA) 10 CHLORIDE (Cl) 0. 5 ppm PHOSPHATE (PO[@4@]) 0. 5 ppm SULFATE 1 ppm ALUMINUM 1 ppb ANTIMONY (Sb) 1 ppb ARSENIC (As) 1 ppb BARIUM (Ba) 1 ppb BERYLLIUM (BE) 1 ppb BISMUTH 1 ppb CADMIUM (Cd) 1 ppb CALCIUM (Ca) 1 ppb CERIUM 0. 5 ppb CESIUM 0. 5 ppb CHROMIUM (Cr) 1 ppb COBALT (Co) 1 ppb COPPER (Cu) 1 ppb DYSPROSIUM 0. 5 ppb ERBIUM 0. 5 ppb EUROPIUM 0. 5 ppb GADOLINIUM 0. 5 ppb GALLIUM (Ga)