|
L-色氨酸
|
|
[产品名称]
|
L-色氨酸
|
|
|
[分子式]
|
C11H12N2O2
|
|
|
[外观]
|
White to yellowish white crystalline
powder
|
|
|
含量
|
98.5%~101.5%
|
|
|
比旋光度
|
-30.0°~-33.0°
|
|
|
重金属 (Pb)
|
≤20ppm
|
|
|
铅含量
|
≤10ppm
|
|
|
干燥失重
|
≤0.3%
|
|
|
灼烧残渣
|
≤0.1%
|
|