|
分析項目
Items of analysis
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質量指標
Specification
|
實測結果
Results
|
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外觀:
Appearance:
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類白色粉末
offwhite powder
|
合格
Complies
|
|
含量( Assay):
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≥99%
|
99.40%
|
|
密度(Density)
|
0.4g/ml
|
0.4g/ml
|
|
振動密度(Vibrate Density)
|
0.6g/ml
|
0.6g/ml
|
|
熔液色澤
Clarity of Solution
|
澄清
Clear
|
合格
Complies
|
|
鑑別
Identification
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紅外、紫外、與三氯化鐵反應IR UV Reaction with Ferric chloride
|
合格
Complies
|
|
乾燥失重
Loss on drying:
|
≤0.5%
|
0.45%
|
|
PH值(PH Value):
|
≤3.5-4.5
|
4.0
|
|
氯化物(Chloride):
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≤0.1%
|
0.07%
|
|
灼燒殘渣
Residue on ignition:
|
≤0.2%
|
0.1%
|
|
重金屬:
Heavy metals (Pb):
|
≤0.002%
|
0.001%
|
|
硫化氫、二氧化硫Hydrogen Sulfide and Sulfur dioxide
|
與醋酸鉛試紙反應 Reaction
with lead acetate testpaper
|
合格
Complies
|
|
硫酸鹽
Sulfate
|
≤0.2%
|
0.15%
|
|
有關化合物:
Related Compounds
|
液相色譜
|
合格
Complies
|
|
有機揮發雜質:
Organic volatile impurities:
|
≤0.002%
|
合格
Complies
|
|
結論：
Conclusion:
|
本產品符合USP25
The quality reaches USP25
|
