Customization: | Available |
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Certification: | ISO |
Shape: | Powder |
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Audited by an independent third-party inspection agency
Analytical Items | Standard |
Appearance | White or almost white, crystalline powder or colorloess crystals |
Identification | A: IR absorption C: Reaction (a) of chlorides |
Appearance of solution | Clear, not more intense than Y7 or GY7 |
pH | 2.7 - 3.3 |
Loss on drying | ≤5.0% |
Sulphated ash | ≤1.0% |
Sulphates | ≤300ppm |
Related substances | Impurity A ≤0.15% |
Impurity B ≤0.3% | |
Impurity C ≤0.15% | |
Unspecified impurity ≤0.10% | |
Total impurity ≤0.5% | |
Disregard limit 0.05% | |
Assay (on anhydrous basis) | 98.5% - 101.0% |