Selenium 99.5+%, powder 200 mesh

Supplier: Thermo Scientific
Danger

198070500 198072500 198070010
ACRO198070500EA 124 GBP
ACRO198070500 ACRO198072500 ACRO198070010
Selenium 99.5+%, powder 200 mesh
Selenium
Formula: Se
MW: 78,96 g/mol
Boiling Pt: 685 °C (760 mmHg)
Melting Pt: 217 °C
Density: 4,81 g/cm³ (20 °C)
Storage Temperature: Ambient
MDL Number: MFCD00134090
CAS Number: 7782-49-2
EINECS: 231-957-4
UN: 3283
ADR: 6.1,III
Merck Index: 12,08572

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Specification Test Results

Appearance Dark grey to black Powder
Assay ≥99.50 %
Particle size ≤200 mesh
Arsenic (As) ≤100 ppm
Copper (Cu) ≤100 ppm
Iron (Fe) ≤200 ppm
Lead (Pb) ≤200 ppm
Mercury (Hg) ≤100 ppm
Nickel (Ni) ≤100 ppm
Tellurium (Te) ≤1000 ppm

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