英文名称: N-Acety-L-Tyrosine
质量指标:
批 号 : 051120 检验日期:Nov21 ,2005
项 目 |
标 准 |
检 测 结 果 |
旋光 [α]D20 |
46.5 to49.0 ° |
47.5 ° |
溶解状况 |
Not more than96.0% |
98.2% |
含氯量 (Cl) |
Not more than 0.02% |
Not more than 0.02% |
氨盐 (NH4 ) |
Not more than 0.02% |
Not more than 0.02% |
硫酸根 (SO4 ) |
Not more than 0.020% |
Not more than 0.020% |
铁 Iron(Fe) |
Not more than 30ppm |
Not more than 10ppm |
重金属(Pb) |
Not more than 10ppm |
Not more than 5ppm |
砷 (as As2o3) |
Not more than 1ppm |
Not more than 1ppm |
其它氨基酸 |
Chromatographically
Not detectable |
conforms |
干燥失重 |
Not more than 0.50% |
Not more than0.20% |
灼烧残渣 |
Not more than 0.10% |
Not more than 0.08% |
含量 |
99.0 to 101.0% |
99.6% |
