標準

Infrared Absorptions

Meets the requirements

White crystals or crystalline powder

Meets the requirements

比旋光度 [α]_D²⁰

+26.9°to +27.9°

溶液的透過率

clear and colorless
not less than 98.0%

氯化物

not more than 0.020%

銨鹽(NH₄⁺)

not more than 0.02%

硫酸鹽 (SO₄^2- )

not more than 0.020%

鐵鹽(Fe)

not more than 10ppm

重金屬 (Pb)

not more than 10ppm

砷鹽 (As₂O₃)

not more than 1PPM

其它氨基酸

Chromatographically
not detectable

干燥失重

not more than 0.5%

灼燒殘渣

not more than 0.10%

含量

99.0% to 101.0%

PH

10.5 to 12.05

熱原

nonpyrogenic