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Outward appearance and nature 外觀及性質(zhì)
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White,crystalline powder ,hygroscopic ,freely soluble in water, soluble in alcohol
白色結(jié)晶粉末，吸濕，易溶于水，易溶于乙醇。
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To pass test 合格
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Identification 鑒別
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It gives the reactions of calaum and chloieds.
呈鈣鹽和氯化物反應(yīng)
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To pass test 合格
|
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Test 測試
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Appearance of solution 澄清度
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Comply with the standard 符合規(guī)定
|
To pass test 合格
|
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Acidity or alkalinity 酸堿度
|
Comply with the standard 符合規(guī)定
|
To pass test 合格
|
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Barium 鋇鹽
|
Comply with the standard 符合規(guī)定
|
To pass test 合格
|
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Sulfates 硫酸鹽
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≤300ppm
|
200ppm
|
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Aluminum 鋁鹽
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≤1ppm
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0.1ppm
|
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Iron 鐵鹽
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≤10ppm
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10ppm
|
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Magnesium and alkaline-earth meta 鎂鹽和堿土金屬
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≤5000ppm
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3000ppm
|
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Heavy metala (Pb) 重金屬
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≤20ppm
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10ppm
|
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Magnesium 鎂鹽
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≤8ppm
|
2.5ppm
|
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Bacteria 細(xì)菌
|
≤1000ppm pieces/gram（個/克）
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10 ppm pieces/gram（個/克）
|
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Leafmold 霉菌
|
≤1000ppm pieces/gram（個/克）
|
10 ppm pieces/gram（個/克）
|
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Collbacillus 大腸桿菌
|
Has not examined （未檢出）
|
Has not examined
|
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Assay 含量測定
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95.0~98.0%
|
98.0%
|
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Conclusion 結(jié)論
|
Comply with USP28 符合
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USP28規(guī)定
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TIANJIN JINHUITAIYA CHEMICAL REAGENTS CO.,LTD
