| Item | Specification | Test Method |
| SnO2 | ≥99.0 | Potassium iodate titration |
| Fe | ≤0.035 | Phenanthroline spectrophotometry |
| Pb | ≤0.04 | Flame atomic absorption spectrometry |
| Sb | ≤0.03 | Malachite green spectrophotometric |
| Burning Loss | ≤0.5 | Gravimetric method |
| SO4 2- | ≤0.5 | Visual turbidimetr |
| Hcl-dissol.Mat | ≤0.4 | Gravimetric method |
| Particle Size (-0.125mm) | ≥98.0 | Particle Size Analyzer |




| Item | Specification | Test Method |
| SnO2 | ≥99.0 | Potassium iodate titration |
| Fe | ≤0.035 | Phenanthroline spectrophotometry |
| Pb | ≤0.04 | Flame atomic absorption spectrometry |
| Sb | ≤0.03 | Malachite green spectrophotometric |
| Burning Loss | ≤0.5 | Gravimetric method |
| SO4 2- | ≤0.5 | Visual turbidimetr |
| Hcl-dissol.Mat | ≤0.4 | Gravimetric method |
| Particle Size (-0.125mm) | ≥98.0 | Particle Size Analyzer |




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