1.Chromium potassium sulfate dodecahydrate 2.COA and best price,high quality ... sulfate in leather tanning,chromic sulfate,solid,sulfate chromic,potassium chromium sulfate,Basic chromium sulphate available,Basic Chromic Sulfate ... . It is not toxic and has better solubility3.Specification:Chromium potassium sulfate dodecahydrateParametersStandardsCr2O3 (%)>=25Basicity (%)32-34PH3.0Fe (%)0. 002 MAXCr ...