
| Ammonium di-hydrogen ortho-phosphate HPLC 500GM | |||
| 30120SG500 | 961600710HZ | ||
| HPLC | 9616007 | ||
| 7722-76-1 | 118831 | ||
| NH4H2PO4 | August 2026 | ||
| 115.03 | July 2029 | ||
| Sr.No. | Test | Result | Specification | Method Reference |
|---|---|---|---|---|
| 1 | Description | Colourless crystals. | Colourless crystals | |
| 2 | Solubility(10% aq) | Complies | Clear and colourless solution | |
| 3 | Assay (acidimetric) | 99.70% | min. 99.0% | |
| 4 | pH (10% aq. Soln.) | 4.11 | 4.0 - 5.0 | |
| 5 | UV absorbance profile (0.5 M aq. sol. 10mm cell)@210nm | 0.032 | 0.05 max | |
| 6 | UV absorbance profile (0.5 M aq. sol. 10mm cell)@220nm | 0.023 | 0.04 max | |
| 7 | UV absorbance profile (0.5 M aq. sol. 10mm cell)@230nm | 0.019 | 0.03 max | |
| 8 | UV absorbance profile (0.5 M aq. sol. 10mm cell)@240nm | 0.018 | 0.02 max | |
| 9 | UV absorbance profile (0.5 M aq. sol. 10mm cell)@500nm | 0.005 | 0.02 max |
| Tested By (Chemist - Quality Control) | Approved By (Head - Quality Control) |