Scandium(III) Acetate Hydrate size:5 GM 10% ELEMENTAL IMPURITIES AS REPORTED

10% ELEMENTAL IMPURITIES AS REPORTED AS REPORTED IDENTIFICATION (A) SPECTRUM SPECTRUM IDENTIFICATION (B) RETENTION RETENTION IDENTIFICATION (C) POSITIVE POSITIVE RETEST DATE DATE OF MANUFACTURE APPEARANCE RESIDUAL SOLVENTS AS REPORTED AS REPORTED

Test Specification Min Max ASSAY (by GC) TOTAL HEXANES & METHYLCYCLOPENTANE 99% 99% ASSAY (n-HEXANE) 60% 60% LIQUID CHROMATOGRAPHY TO PASS TEST ULTRAVIOLET ABSORBANCE (1 cm cell vs

20% LEAD (Pb) 20 ppm ARSENIC (As) 3 ppm MERCURY (Hg) 1 ppm

Test Specification Min Max ASSAY (w/w) 38 - 42 % 38 - 42 % ACID NUMBER 1

50% pH OF A 5% SOLUTION @ 25[dC 7

Scandium(III) Acetate Hydrate size:5 GM 10% ELEMENTAL IMPURITIES AS REPORTED