Di Sodium Hydrogen Citrate
Description
Disodium Hydrogen Citrate is an anticoagulant & an alkalizer.
Applications and Effects
It is mainly used to make all the solutions Neutral, free from acids as well as bases.
Specifications
| Tests | Specifications |
|---|---|
| Description | A white powder. |
| Solubility | Freely soluble in water; Practically insoluble in ethanol (96%). |
| Identification (A) Sodium Salts | (A) A dense, white precipitate is formed. (B) No precipitate is formed. |
| (B) Citrates
| (A)Violet colour, turning to violet-blue is produced. (B) A white precipitate is produced which is soluble in 6M acetic acid. |
| Acidity (pH) | pH of a 3% w/v solution, 4.9 to 5.2. |
| Arsenic | Not more than 2 ppm |
| Heavy Metals | Not more than 20 ppm |
| Chloride | Not more than 330 ppm |
| Oxalate | Not more than 150 ppm (Calculated as anhydrous oxalic acid). |
| Sulphate | Not more than 0.12% |
| Readily carbonisable Substances | Not more than a pale brown colour is produced. |
| Assay | 98.0 % to 104.0 % |