产品介绍
L-谷氨酸 56-86-0
价 格:¥电议
型 号:
产品完善度:
生产地:其他访问量:34次
发布日期:2015/3/24 14:39:13
更新日期:2016/4/15 10:33:28
详细内容
Item | Standard |
Appearance | White crystals or crystalline powder |
Specific rotation[α]20/D (C=10 in 2N HCl) | +31.5 to +32.5° |
Chloride (Cl) | Not more than 0.020% |
Ammonium (NH4) | Not more than 0.02% |
Sulfate (SO4) | Not more than 0.020% |
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 |
Loss on drying | Not more than 0.20% |
Residue on ignition(sulfated) | Not more than 0.10% |
Assay | 99.0% to 101.5% |
pH | 3.0 to 3.5 |