Assay from Supplier's CofA98.0-102.0% CrKO₈S₂.12H₂O [by iodometric titration for oxidative capacity of Cr(VI)]
Impurity contentAluminum, Al: ≤0.02%
Impurity contentAmmonium, NH₄: ≤0.01%
Impurity contentChloride, Cl: ≤0.002%
Impurity contentIron, Fe: ≤0.01%
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