Selenium 99.5+%, powder 200 mesh

Supplier: Thermo Scientific Chemicals
Danger

19807-0010 198070500 198072500
TS19807-0010EA 474 USD
TS19807-0010 TS198070500 TS198072500
Selenium 99.5+%, powder 200 mesh
Selenium
Formula: Se
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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