Selen 99+%, powder
Dodavatel: Thermo Scientific
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Nebezpečí
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419271000
419275000
ACRO419271000EA
4090
CZK
ACRO419271000
ACRO419275000
Selen 99+%, powder
Selenium
Vzorec:
Se Bod varu: ∼685 °C (1013 hPa) 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 | ≥99.0 % |
Residue after ignition | ≤0.5 % |
Copper (Cu) | ≤100 ppm |
Iron (Fe) | ≤500 ppm |
Lead (Pb) | ≤500 ppm |
Nickel (Ni) | ≤100 ppm |
Sulfur (S) | ≤500 ppm |
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