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Specifications
| Item | Specifications |
| Appearance | Colorless transparent crystal or white crystal powder |
| Identification(ABC) | Meets the requirements |
| Solubility | Freely soluble in boiling water, Soluble in water and in glycerine, insoluble in alcohol |
| Assay | 99~103% |
| PH value | 3.5~4.5 |
| Acidity or Alkalinity | Not more than 2.00 ml of 0.01 N HCI or 0.01 N NaOH is needed to adjust at pH 4.5 |
| Completeness of solution (750mg/10mL of water) | The solution is not less clear than solvent |
| Arsenic | ≤0.015% |
| Lead(Pb) | ≤0.002% |
| Loss on drying(105℃) | ≤2.7% |
| Water solution test | Passed |
| Bulk Density | ≥0.6g/ml |
Usage
Used as an analytical agent (such as determination of lead, sodium, germanium, etc.), a mordant for fabrics and leather shoes, a color-fixing agent for basic dyes and nylon acid dyes, and for making insecticides and anti-schistosomiasis drugs, etc.
Storage
It should be sealed and shaded to be stored in a dry, cool, well ventilated place.
Specifications
| Item | Specifications |
| Appearance | Colorless transparent crystal or white crystal powder |
| Identification(ABC) | Meets the requirements |
| Solubility | Freely soluble in boiling water, Soluble in water and in glycerine, insoluble in alcohol |
| Assay | 99~103% |
| PH value | 3.5~4.5 |
| Acidity or Alkalinity | Not more than 2.00 ml of 0.01 N HCI or 0.01 N NaOH is needed to adjust at pH 4.5 |
| Completeness of solution (750mg/10mL of water) | The solution is not less clear than solvent |
| Arsenic | ≤0.015% |
| Lead(Pb) | ≤0.002% |
| Loss on drying(105℃) | ≤2.7% |
| Water solution test | Passed |
| Bulk Density | ≥0.6g/ml |
Usage
Used as an analytical agent (such as determination of lead, sodium, germanium, etc.), a mordant for fabrics and leather shoes, a color-fixing agent for basic dyes and nylon acid dyes, and for making insecticides and anti-schistosomiasis drugs, etc.
Storage
It should be sealed and shaded to be stored in a dry, cool, well ventilated place.
