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化妆品级聚谷氨酸原料药70万分子量质量标准东康源供应
质检单
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品名：γ-聚谷氨酸 Name: γ-polyglutamic acid |
批号：20200613 Batch number: 20200613 |
检验日期：2020.06.13 Date of inspection: 2020.06.13 |
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数量：15000kg Quantity: 15000 kg |
生产日期：2020.06.13 Production date: 2020.06.13 |
失效日期：20220612 Expiry date: 20220612 |
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指标项目Indicators project |
参考reference |
检验结果inspection results |
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物理外观physical appearance |
白色无定形结晶体或粉末 White amorphous crystal or powder |
合格confrom |
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含量Content (GPC detection) |
≥92% |
合格confrom |
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分子量Molecular weight (Mw) |
≥700 kDa |
合格confrom |
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PH (1% solution) |
5.0-7.0 |
合格confrom |
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透光率Transmittance (5mg/mL aqueous solution, 400nm) |
≥95.0% |
合格confrom |
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干燥后失重 Weight loss after drying（%） |
≤8.0% |
合格confrom |
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重金属Heavy metals (by Pb) |
≤40 ppm |
合格confrom |
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菌落总数 Total colony count（TPC） |
≤1000 CFU/g |
合格confrom |
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酵母、霉菌Yeast and mold |
≤100 CFU/g |
合格confrom |
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致病菌Pathogenic bacteria |
阴性negative |
合格confrom |
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