甘氨酸
产品指标：
|
甘氨酸 |
CP2015 |
AJI92 |
USP32 |
USP40 |
GB25542-2010 |
|
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 |
--- |
--- |
结晶性颗粒或结晶性粉末 |
|
鉴别 |
应符合规定 |
应符合规定 |
应符合规定 |
应符合规定 |
--- |
|
含量(%) |
≥99.0 |
98.5-101.5 |
98.5-101.5 |
98.5-101.5 |
--- |
|
pH |
5.6-6.6 |
5.9-6.4 |
--- |
--- |
5.5-7.0 |
|
透光率(%) |
≥98.0 |
≥98.0 |
--- |
--- |
--- |
|
干燥失重(%) |
≤0.2 |
≤0.2 |
≤0.2 |
≤0.2 |
--- |
|
炽灼残渣(%) |
≤0.1 |
≤0.1 |
≤0.1 |
≤0.1 |
--- |
|
氯化物(%) |
≤0.007 |
≤0.007 |
≤0.007 |
≤0.007 |
≤0.01 |
|
重金属(%) |
≤0.001 |
≤0.001 |
≤0.002 |
≤0.002 |
≤0.001 |
|
铁盐(%) |
≤0.001 |
≤0.001 |
≤0.001 |
--- |
--- |
|
硫酸盐(%) |
≤0.006 |
≤0.006 |
≤0.0065 |
≤0.0065 |
--- |
|
细菌内毒素 |
＜20EU/g |
--- |
--- |
--- |
--- |
|
砷盐(%) |
≤0.0001 |
≤0.0001 |
--- |
--- |
≤0.0001 |
|
铵盐(%) |
≤0.02 |
≤0.02 |
--- |
--- |
--- |
|
其他氨基酸 |
应符合规定 |
应符合规定 |
--- |
--- |
--- |
|
热源 |
--- |
应符合规定 |
--- |
--- |
--- |
|
可水解物质 |
--- |
--- |
应符合规定 |
--- |
--- |
|
澄清度 |
--- |
--- |
--- |
--- |
通过试验 |
|
色泽 |
--- |
--- |
--- |
--- |
白色 |
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