Selenium 99.5+%, powder 200 mesh
Supplier: Thermo Scientific
|
Danger
|
198070500
198072500
198070010
ACRO198070500EA
124
GBP
ACRO198070500
ACRO198072500
ACRO198070010
Selenium 99.5+%, powder 200 mesh
Selenium
Formula:
Se MW: 78,96 g/mol 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 |
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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