specific rotation[α]20d 旋光度 |
+27.5~+29.5ο |
transmittance 透过率 |
≥95.0% |
chloride 氯化物 |
≤0.04% |
ammonium 铵 |
≤0.02% |
sulfate 硫酸盐 |
≤0.030% |
iron 铁 |
≤10ppm |
heavy metals 重金属 |
≤10ppm |
arsenic 砷 |
≤1ppm |
other amino acids 其他氨基酸 |
chromatographically not detectable |
loss on drying 干燥失重 |
≤11.4% |
residue on ignition 灼烧残渣 |
≤0.20% |
chemical name 化学名称 |
l-glutamic acid, compd. with l-lysine (1:1) |
molecular formula 分子式 |
c11h23n3o6·2h2o |
molecular weight 分子量 |
329.35 |
assay 含量 |
98.0~102.0% |
ph ph值 |
6.0~7.5 |
本产品的类别是赖氨酸,产地/厂商是河南郑州,含量≥是99(%),执行质量标准是国标,CAS是有