
| Tris-Buffer AR 100GM | |||
| 21890SG100 | 960350313DZ | ||
| AR | 9603503 | ||
| 77-86-1 | 118398 | ||
| NH2C(CH2OH)3 | April 2026 | ||
| 121.14 | March 2031 | ||
| Sr.No. | Test | Result | Specification | Method Reference |
|---|---|---|---|---|
| 1 | Description | White powder. | White to almost white powder. | |
| 2 | Solubility | Complies | Soluble in water. | |
| 3 | Assay | 99.86% | min. 99.80% | |
| 4 | Melting point | 170°C | 169° - 171°C | |
| 5 | Absorbance (40% in water, 10mm cell)@ 290nm | 0.09 | < 0.2 | |
| 6 | Loss on drying,105°C | 0.04% | 0.10% max. | |
| 7 | Insoluble matter | 0.001% | 0.003% max. | |
| 8 | Sulphated ash | 0.003% | 0.01% max. | |
| 9 | Chloride(Cl) | Less than 0.001% | 0.001% max. | |
| 10 | Sulphate(SO4) | Less than 0.005% | 0.005% max. | |
| 11 | Iron(Fe) | Less than 0.005% | 0.005% max. | |
| 12 | Heavy metal(as Pb) | Less than 0.0005% | 0.0005% max. |
| Tested By (Chemist - Quality Control) | Approved By (Head - Quality Control) |