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Test Items | Specifications |
Appearance | White Crystalline Powder,Odorless |
Identification | Infrared Absorption Spectrum Should Confrom to Requirement |
pH | 4.1-5.6 |
Clarify and Color of Solution | Clear and Colorless |
Heavy Metals | ≤10ppm |
Chloride | ≤0.011% |
Sulfate | ≤0.01% |
Iron | ≤10ppm |
Ammonium | ≤0.02% |
Loss on Drying | ≤0.2% |
Related Substances | Should Conform to Requirement |
Residue on Ignition | ≤0.1% |
Total Plate Count | ≤1000cfu/g |
Yeast and Mould | ≤100cfu/g |
Escherichia Coliform | Absent in 10g |
Salmonella | Absent in 25g |
Assay | 99.0%-101.0% |
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