硒 99+%, powder
3401, Glass bottle for solids, 100 g
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规格
规格测试结果
- Appearance:Dark grey to black Powder
- Assay:≥99.0 %
- Residue after ignition:≤0.5 %
- Copper (Cu):≤100 ppm
- Iron (Fe):≤500 ppm
- Lead (Pb):≤500 ppm
- Nickel (Ni):≤100 ppm
- Sulfur (S):≤500 ppm
规格
- 包装类型:Glass bottle for solids
- 包装规格:100 g
- 顺序:3401