Selen 99.5+%, powder 200 mesh
Dodavatel: Thermo Scientific
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Nebezpečí
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198070500
198072500
198070010
ACRO198070500EA
2640
CZK
ACRO198070500
ACRO198072500
ACRO198070010
Selen 99.5+%, powder 200 mesh
Selenium
Vzorec:
Se Bod varu: 685 °C (760 mmHg) Bod tání: 217 °C Hustota: 4,81 g/cm³ (20 °C) Storage Temperature: Ambient |
MDL Number:
MFCD00134090 CAS číslo: 7782-49-2 EINECS: 231-957-4 UN: 3283 ADR: 6.1,III Merck Index: 12,08572 |
Výsledky specifikačního testu
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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