Ammonium Phosphate, Monobasic, Crystal, HPLC, (ammonium dihydrogen phosphate), For Use in High Performance Liquid Chromatography, J.T.Baker®
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ammonium phosphate, monobasic, crystal, hplc, (ammonium dihydrogen phosphate), for use in high performance liquid chromatography, j.t.baker®
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Ammonium Phosphate, Monobasic, Crystal, HPLC, (ammonium dihydrogen phosphate), For Use in High Performance Liquid Chromatography, J.T.Baker®
NH
4H
2PO
4FW: 115.03
CAS: 7722-76-1
Merck Index: 14,543
Specific Gravity: 1L = 1.80 Kg
| Assay (NH4H2PO4) |
min. 98.0 % |
| Insoluble Matter |
max. 0.005 % |
| Ammonium Hydroxide Precipitate |
max. 0.005 % |
| pH of 5 % Solution at 25 °C |
3.8 – 4.4 |
| Nitrate (NO3) |
max. 0.001 % |
| Sulfur Compounds (as SO4) |
max. 0.005 % |
| Iron (Fe) |
max. 0.001 % |
| Potassium (K) |
max. 0.005 % |
| Sodium (Na) |
max. 0.005 % |
Ultraviolet Absorbance (1.00-cm cell vs. water):
| 254 nm |
max. 0.03 |
| 280 nm |
max. 0.02 |
| 350 nm |
max. 0.01 |
Trace Impurities (in ppm):
| Chloride (Cl) |
max. 5 |
| Arsenic (As) |
max. 0.5 |
| Heavy Metals (as Pb) |
max. 5 |