产品介绍
精氨酸-天门冬氨酸 7675-83-4
价 格：￥电议
型 号：
产品完善度：
生产地：其他访问量：52次
发布日期：2015/3/24 15:10:21
更新日期：2016/4/18 9:36:25
详细内容
| Item | Standard |
| Appearance | White or almost crystalline powder |
| Specific rotation[α]20/D (C=8 in 6N HCl) | +25°to +27° |
| Chloride (Cl) | Not more than 0.05% |
| Sulfate (SO4) | Not more than 0.03% |
| Heavy metal(Pb) | Not more than 20ppm |
| Ammonium(NH4) | Not more than 0.02% |
| Loss on drying | Not more than 3.0% |
| Residue on ignition(sulfated) | Not more than 0.1% |
| Assay | 98.5% to 101.0% |
| PH | 5.5 to 7.0 |
| Total Plate Count | <1000/g |
| Yeast&Molds | <100/g |
| Salmonella | Absent/10g |
| E.Coli | Absent/10g |
| S.aureus | Absent/10g |
