soluble in nitric acid ,ammonia , hot oil of vitriol and hot-water Item (AR) (CP)(AgSO4)Assay,% ≥99.7 99.0Insoluble matter in nitric acid,% ≤0.02 0.04(NO3)Nitrate,% ≤0.001 0.002(Fe)Iron,% ≤0.001 0.002by hydrochloric acid,% ≤0.03 0.06 Appearancewhite powder ICP Major AnalysisConfirms Silver Component Purity(Based On Trace Metals Analysis)99.99 %100 %100 %total metallic impurities0 ppm200 ppm200 ...