Ammonium Sulfate, ULTRAPURE BIOREAGENT, For Protein Precipitation and Liquid Chromatography, J.T.Baker®
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ammonium sulfate, ultrapure bioreagent, for protein precipitation and liquid chromatography, j.t.baker®
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Ammonium Sulfate, ULTRAPURE BIOREAGENT, For Protein Precipitation and Liquid Chromatography, J.T.Baker®
(NH
4)
2SO
4FW: 132.14
CAS: 7783-20-2
Merck Index: 14,555
Specific Gravity: 1L = 1.77 Kg
| Assay ((NH4)2SO4) |
min. 99.5 % |
| Insoluble Matter |
max. 0.005 % |
| pH of 5 % Solution at 25 °C |
5.0 – 6.0 |
| Residue after Ignition |
max. 0.005 % |
Absorbance of a 1M Solution:
| 260 nm |
max. 0.04 |
| 280 nm |
max. 0.04 |
| RNaxe Activity |
None Detected |
| DNase Activity |
None Detected |
| Protease Activity |
None Detected |
Trace Impurities (in ppm):
| Chloride (Cl) |
max. 3 |
| Nitrate (NO3) |
max. 10 |
| Phosphate (PO4) |
max. 3 |
| Arsenic (As) |
max. 0.2 |
| Cadmium (Cd) |
max. 2 |
| Calcium (Ca) |
max. 2 |
| Copper (Cu) |
max. 0.2 |
| Iron (Fe) |
max. 1 |
| Lead (Pb) |
max. 0.1 |
| Lithium (Li) |
max. 2 |
| Magnesium (Mg) |
max. 2 |
| Manganese (Mn) |
max. 0.6 |
| Potassium (K) |
max. 2 |
| Zinc (Zn) |
max. 0.5 |
| Solution Test |
Passes Test |