二氧化硒 99.8% (trace metals basis)

供应商: Thermo Fisher Scientific
Danger

200000100 200001000 200005000
ACRO200000100EA 0 CNY
ACRO200000100 ACRO200001000 ACRO200005000
二氧化硒 99.8% (trace metals basis)
二氧化硒
分子式: SeO₂
分子量: 110.96 g/mol
溶点: 315 °C (subl.)
存储条件: Ambient
MDL编号: MFCD00003562
CAS号: 7446-08-4
EINECS: 231-194-7
UN号: 3283
ADR: 6.1 II
Merck Index: 13,08508

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产品技术规格

Appearance White to light beige Powder
Assay 70 to 71.5 % Se
Total trace metal impurities ≤0.2 %
Arsenic (As) ≤20 ppm
Cadmium (Cd) ≤5 ppm
Copper (Cu) ≤10 ppm
Iron (Fe) ≤50 ppm
Lead (Pb) ≤50 ppm
Mercury (Hg) ≤5 ppm
Nickel (Ni) ≤10 ppm
Tellurium (Te) ≤500 ppm
Insoluble matter ≤0.2 %


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