Tris-Buffer AR 100GM | |||
21890SG100 | 914750319HW | ||
AR | 9147503 | ||
77-86-1 | 97011 | ||
NH2C(CH2OH)3 | August 2023 | ||
121.14 | July 2028 | ||
Sr.No. | Test | Result | Specification |
---|---|---|---|
1 | Description | White powder. | White to almost white powder. |
2 | Solubility | Complies | Soluble in water. |
3 | Assay | 99.91% | min. 99.80% |
4 | Melting point | 170°C | 169° - 171°C |
5 | Absorbance (40% in water, 10mm cell)@ 290nm | 0.057 | < 0.2 |
6 | Loss on drying,105°C | 0.07% | 0.10% max. |
7 | Insoluble matter | 0.002% | 0.003% max. |
8 | Sulphated ash | 0.005% | 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) | Not detected | 0.005% max. |
12 | Heavy metal(as Pb) | Not detected | 0.0005% max. |
Tested By (Chemist - Quality Control) | Approved By (Head - Quality Control) |