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Product Specification | ||
Items | Stadards(based on USP 30/BP2008) | |
Appearance | white crystalline | |
Melting points | 226-230℃ | |
Content | 99-101% | |
Loss of drying | ≤ 15% | |
Arsenic(mg/kg) | ≤ 2 | |
Lead(mg/kg) | ≤ 2 | |
Selenium | 30ppm | |
Heavy Metals | 0.001 | |
Free acid or alkali | comply with BP/USP/EP | |
Benzoic acid and sulfonamide | 25ppm | |
Clarity and color of solution | Colorless,clear | |
Tridodecylamine | ≤0.1ppm | |






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