天鸿生化大量供应2-丙氨酸 2-氨基异

项目Item 测试标准Test Criterion 结果Result
外观Appearance white crystalline powder white crystalline powder
鉴别Identification(HPLC)
HPLC 测试时，样品制备色谱图的
主峰的保留时间与标准溶液色谱图
中的主峰的保持时间一致。
The retention time of the principal
peak in the chromatogram of sample
preparation corresponds to that of
the principal peak in the
chromatogram of the standard
solution,as obtained in the test of
assay by HPLC.
conforms
纯度Purity（HPLC） min 99.0% 99.91%
干燥失重Loss on drying max 0.5% 0.20%
Checker: Che Shengli Director: Chen jian