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產品導航
L-精氨酸
檢測項目 |
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 (SO42- ) |
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 |
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