Seleeni 99.5+%, powder 200 mesh

Toimittaja: Thermo Fisher Scientific
Vaara

198070500 198072500 198070010
ACRO198070500EA 88.5 EUR
ACRO198070500 ACRO198072500 ACRO198070010
Seleeni 99.5+%, powder 200 mesh
Seleeni
Kaava: Se
Kiehumispiste: 685 °C (760 mmHg)
Sulamispiste: 217 °C
Tiheys: 4,81 g/cm³ (20 °C)
Storage Temperature: Huoneenlämpö
MDL numero: MFCD00134090
CAS-numero: 7782-49-2
EINECS: 231-957-4
UN: 3283
ADR: 6.1,III
Merck Index: 12,08572

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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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