Oxalic acid dihydrate CS2 25KG | |||
13070SK025 | 798353409ER | ||
Customer specific 2 | 7983534 | ||
6153-56-6 | 45214 | ||
C2H2O4.2H2O | May 2018 | ||
126.07 | April 2021 | ||
Sr.No. | Test | Result | Specification |
---|---|---|---|
1 | Description | Coloulress crystals, efflorescent in warm, dry air. | Colourless crystals, efflorescent in warm, dry air. |
2 | Solubility | Passes | Freely soluble in water and in alcohol. |
3 | Identification | Complies | Sample should give a white precipitate with calcium chloride. |
4 | Insoluble matter | 0.01% | Not more than 0.02% w/w |
5 | Residue on ignition | 0.011% | Not more than 0.1% w/w |
6 | Chloride (Cl) | NMT 100ppm | Not more than 100ppm |
7 | Sulphate (SO4) | NMT 1000ppm | Not more than 1000ppm |
8 | Substances darkened by sulphuric acid(H2SO4) | Passes | Produce faint colour when heated with sulphuric acid. |
9 | Iron (Fe) | NMT 100ppm | Not more than 100ppm |
10 | Assay (Chemical) | 99.60% | Between 98.0% w/w and 101.0% w/w |
Tested By (Chemist - Quality Control) | Approved By (Head - Quality Control) |