Item | Specification | Test Method |
SnSO4 | ≥99.0 | Potassium dichromate titration |
Sn | ≥54.7 | Potassium dichromate titration |
Cl- | ≤0.005 | Visual turbidimetry |
Sb | ≤0.01 | Malachite green spectrophotometric |
Fe | ≤0.005 | Phenanthroline spectrophotometry |
Pb | ≤0.02 | Flame atomic absorption spectrometry |
As | ≤0.001 | Diethyl dithiocarbamate Silver spectrophotometry |
Hcl-insol.Mat | ≤0.005 | Weight method |
Alkaline Metal&Alkaline Earth Metal | ≤0.10 | Weight method |
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