Product Description Items Standards Assay Content 99.0~101.0% Solubility in Water Freely Soluble Solubility in Ethanol Slightly Soluble Ultraviolet Absorption 227±2nm Test for Potassium Positive Precipitation test Yellow Precipitate Loss on Drying(105℃,2h) ≤1% Organic Impurities ≤20PPM Fluoride ≤3 Potassium 17.0-21 Heavy Metals ≤5PPM Arsenic ≤3PPM Lead? ≤1PPM Selenium ≤10PPM…
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