Ammonium sulphate ≥99.5%, Ultra Pure Grade
Supplier: VWR Chemicals
0191-12KGEA
681
EUR
0191-12KG
0191-5KG
0191-50KG
0191-1KG
0191-10KG
Ammonium sulphate ≥99.5%, Ultra Pure Grade
Ammonium sulphate
May be used for the precipitation or fractionation of proteins or for purification of antibodies. Useful for crystallographic analysis of nucleic acids and proteins.
Formula:
(NH₄)₂SO₄ MW: 132,14 g/mol Melting Pt: 280 °C Density: 1,78 g/cm³ (20 °C) |
MDL Number:
MFCD00003391 CAS Number: 7783-20-2 Merck Index: 13,00559 |
Specification Test Results
Arsenic | <0.0001% |
Chloride | ≤0.0005% |
DNase | none detected |
Heavy Metals (as Pb) | ≤0.0002% |
Insolubles | ≤0.005% |
Iron | ≤0.0005% |
Magnesium Test | Pass |
pH (5%, Water) @25 °C | 5 – 6 |
Phosphate | ≤0.0005% |
Protease | none detected |
Purity (Dry Basis) | ≥99.5% |
Residue on Ignition | ≤0.005% |
RNase | none detected |
Selenium | ≤0.002% |
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