Selen 99+%, pulver

Leverandør: Thermo Fisher Scientific
Ratings: Ingen bedømmelse

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419271000 419275000
ACRO419271000EA 1020 DKK
ACRO419271000 ACRO419275000
Selen 99+%, pulver
Selenium
Formel: Se
Kogepunkt: ∼685 °C (1013 hPa)
Smeltepunkt: 217 °C
Massefylde: 4,81 g/cm³ (20 °C)
Opbevaringstemperatur: Stue temperatur
MDL Number: MFCD00134090
CAS-nummer: 7782-49-2
EINECS: 231-957-4
UN nummer: 3283
ADR: 6.1,III
Merck Index: 12,08572

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Specifikationer Testresultater

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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