产品介绍
L-焦谷氨酸98-79-3
价 格：￥电议
型 号：
产品完善度：
生产地：其他访问量：30次
发布日期：2015/3/24 14:33:52
更新日期：2016/4/18 9:37:44
详细内容
| Item | Standard |
| Appearance | White crystalline powder |
| Specific rotation(a)D20 (C=2,H2O) | -11.0º to –12.0º |
| Transmittance | Not less than 98.0% |
| Melting Point (ºC) | 158ºC to 161 ºC |
| Chloride(C1) | Not more than 0.02% |
| Ammonium(NH4) | Not more than 0.02% |
| Sulfate(SO4) | Not more than 0.02% |
| Heavy metals(Pb) | Not more than 10ppm |
| Iron(Fe) | Not more than 10ppm |
| Arsenic(As2O3) | Not more than 1 PPM |
| Loss on drying | Not more than 0.50% |
| Residue on ignition | Not more than 0.1% |
| Assay | 98.5-101.0% |
