1.Basic chromium sulphate 39380-78-4 2.COA and best price,high quality ... chrome tanned leather, 1.Details:Product name: basic chrome sulphate,Basic chromium sulphate 39380-78-4,chromic sulfate in leather tanning,chromic ... -78-4/10101-53-8Appearance: green powder2. Property:Basic chromium sulphate is available in bright green powder with high tanning properties ...