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L-精氨酸盐酸盐
产品指标：
|
L-精氨酸盐酸盐 |
AJI92 |
USP40 |
|
性状 |
应为白色结晶或结晶性粉末 |
--- |
|
鉴别 |
应符合规定 |
应符合规定 |
|
含量 |
99.0%～101.0% |
98.5%～101.5% |
|
比旋度 |
+22.1°~ +22.9° |
+21.4°~ +23.6° |
|
pH |
4.7~6.2 |
--- |
|
透光率 |
≥98.0% |
--- |
|
干燥失重 |
≤0.2% |
≤0.2% |
|
炽灼残渣 |
≤0.1% |
≤0.1% |
|
含氯量 |
16.58% ~17.00% |
16.5% ~17.1% |
|
重金属 |
≤0.002% |
≤0.002% |
|
铁盐 |
≤0.001% |
--- |
|
硫酸盐 |
≤0.02% |
≤0.03% |
|
色谱纯度 |
--- |
应符合规定 |
|
砷盐 |
≤0.0001% |
--- |
|
铵盐 |
≤0.02% |
--- |
|
其他氨基酸 |
应符合规定 |
--- |
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