kojic acid high purity kojic acid Kojic Acid Dipalmitate
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konjic acid specification
Item | Specification | Results |
Appearance | white crystalline powder | Pass |
Assay | ≥98.0% | 98.4% |
Melting point | 92-96ºC | 94.8-95.6 |
Loss on drying | ≤0.5% | 0. 11% |
Ignition residue | ≤0.5% | 0.08% |
Color reaction of ferric chloride | Negative | Negative |
Heavy metal | ≤10ppm | Pass |
Arsenic | ≤2ppm | Pass |
Pathogen |
Bacteria: <300cfu/g Fungus: <100cuf/g |
<100 <50 |
Conclusion | Pass |
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