甘氨酸
分子量:75.07
CAS号:56-40-6
甘氨酸 |
EP6.0 |
AJI92 |
USP40 |
性状 |
应为白色结晶或结晶性粉末 |
应为白色结晶或结晶性粉末 |
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鉴别 |
应符合规定 |
应符合规定 |
应符合规定 |
含量 |
98.5-101.0% |
98.5-101.5% |
98.5-101.5% |
PH |
5.9 ~ 6.4 |
5.9 ~6.4 |
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透光率 |
--- |
≥98.0% |
--- |
干燥失重 |
≤0.5% |
≤0.2% |
≤0.2% |
炽灼残渣 |
≤0.1% |
≤0.1% |
≤0.1% |
氯化物 |
≤0.0075% |
≤0.007% |
≤0.007% |
重金属 |
≤0.001% |
≤0.001% |
≤0.002% |
铁盐 |
--- |
≤0.001% |
/ |
硫酸盐 |
--- |
≤0.006% |
≤0.0065% |
砷盐 |
--- |
≤0.0001% |
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铵盐 |
--- |
≤0.02% |
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其他氨基酸 |
--- |
应符合规定 |
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热源 |
--- |
应符合规定 |
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溶液澄清度 |
溶液澄清度:10%的水溶液应澄清 |
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--- |
溶液色级:10%的水溶液不应比Y7的参比溶液 |
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|
溶解度 |
易溶于水,极微溶于乙醇(96%) |
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