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Anhui Leafchem Co., Ltd.
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ITEM | STANDARD |
Appearance | Gray to black powder |
Se | ≥99.9% |
Cu | ≤10ppm |
Hg | ≤10ppm |
As | ≤30ppm |
Sb | ≤10ppm |
Te | ≤70ppm |
Pb | ≤20ppm |
Fe | ≤50ppm |
Ni | ≤20ppm |
Particle size | 200mesh |
ITEM | STANDARD |
Appearance | Gray to black powder |
Se | ≥99.9% |
Cu | ≤10ppm |
Hg | ≤10ppm |
As | ≤30ppm |
Sb | ≤10ppm |
Te | ≤70ppm |
Pb | ≤20ppm |
Fe | ≤50ppm |
Ni | ≤20ppm |
Particle size | 200mesh |
