产品介绍
乙酰-D-谷氨酸19146-55-5
价 格:¥电议
型 号:
产品完善度:
生产地:其他访问量:55次
发布日期:2015/3/24 15:29:41
更新日期:2016/4/18 9:35:28
详细内容
Item | Standard |
Appearance | White crystals or crystalline powder |
Specific rotation[α]20/D (C=2,H2O) | +14.0°to+17.0° |
Transmittance | Not less than 95.0% |
Heavy metal(Pb) | Not more than 20ppm |
Iron (Fe) | Not more than 10ppm |
Arsenic(As2O3) | Not more than 2ppm |
Chloride (Cl) | Not more than 0.020% |
Sulfate (SO4) | Not more than 0.10% |
Other amino acids | Chromatographically not detectable |
Loss on drying | Not more than 0.50% |
Residue on ignition | Not more than 0.30% |
Assay | 98.0to102.0% |
pH | 1.7to2.8 |