Selenium dioxide 99.8% (trace metals basis)

Supplier: Thermo Scientific
Danger

200000100 200001000 200005000 200000025
ACRO200000100EA 63.8 GBP
ACRO200000100 ACRO200001000 ACRO200005000 ACRO200000025
Selenium dioxide 99.8% (trace metals basis)
Selenium dioxide
Formula: SeO₂
MW: 110,96 g/mol
Melting Pt: 315 °C (subl.)
Density: 3,95 g/cm³ (20 °C)
Storage Temperature: Ambient
MDL Number: MFCD00003562
CAS Number: 7446-08-4
EINECS: 231-194-7
UN: 3283
ADR: 6.1,II
Merck Index: 13,08508

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Specification Test Results

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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