|
檢驗項目
Tests |
標準
Standard |
|
外 觀
Appearance |
白色結晶性粉末
Crystalline white powder |
|
鑒別
Identification
|
紅外IR |
|
薄層色譜TLC |
|
鉀反應
Reaction for potassium |
|
比旋光度[α]20D
Specific optical rotation |
-0.3°~+0.3° |
|
溶解性
Solubility |
易溶于水,幾乎不溶于丙酮
Soluble in water, practically insoluble in acetone |
|
水溶液(10%)
Solutiin in water
|
無色透明
Conmplete clear without anycolour
|
|
PH值(5%) |
6.5~7.5 |
|
相關物質(%)
Related Substances |
≤ 0.5 |
|
水份含量(%)
Water
|
4.0-6.5 |
|
銨鹽(NH4+)(ppm)
Ammonium
|
≤200 |
|
重金屬(Pb)(ppm)
Heavy metals
|
≤10 |
|
砷(As)(ppm)
Arsenic
|
≤2 |
|
硫酸鹽(SO42-)(ppm)
sulphate
|
≤100 |
|
氯化物(Cl-)(ppm)
Chlorides
|
≤100 |
|
鐵(Fe)(ppm)
Iron
|
≤30 |
|
含量(%)
Assay |
98.0 - 102.0 |
|
微生物
Microbiological |
好氧菌 Aerobic bacteria
≤1000/gr |
|
霉菌Fungi
≤100/gr
|
|
大腸桿菌E.Coli
無 absent/gr |