当前页面: 首页 > 新闻中心新闻中心
质检单
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 |
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 |
指标项目Indicators project |
参考reference |
检验结果inspection results |
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 |
含量Content (GPC detection) |
≥92% |
合格confrom |
分子量Molecular weight (Mw) |
≥700 kDa |
合格confrom |
PH (1% solution) |
5.0-7.0 |
合格confrom |
透光率Transmittance (5mg/mL aqueous solution, 400nm) |
≥95.0% |
合格confrom |
干燥后失重 Weight loss after drying(%) |
≤8.0% |
合格confrom |
重金属Heavy metals (by Pb) |
≤40 ppm |
合格confrom |
菌落总数 Total colony count(TPC) |
≤1000 CFU/g |
合格confrom |
酵母、霉菌Yeast and mold |
≤100 CFU/g |
合格confrom |
致病菌Pathogenic bacteria |
阴性negative |
合格confrom |