产品介绍
精氨酸-谷氨酸 4320-30-3
价 格：￥电议
型 号：
产品完善度：
生产地：其他访问量：49次
发布日期：2015/3/24 15:11:24
更新日期：2016/4/18 9:36:11
详细内容
| Item | Standard |
| Appearance | White crystalline powder |
| Specific rotation[α]20/D (C=8 6N HCl) | +28.0 to ~30.0Degree |
| Transmittance | Not less than 98.0% |
| Chloride (Cl) | Not more than 0.020% |
| Ammonium (NH4) | Not more than 0.02% |
| Sulfate (SO4) | Not more than 0.030% |
| Iron (Fe) | Not more than 10ppm |
| Heavy metal(Pb) | Not more than 10ppm |
| Arsenic(As2O3) | Not more than 1ppm |
| Other Amino Acids | Chromatographically Not detectable |
| Water | Not more than 5.0% |
| Residue on ignition(sulfated) | Not more than 0.20% |
| Assay | 98.5%~101.0% |
| PH | 6.0 to 7.5 |
