TIANJIN JINHUITAIYA CHEMICAL REAGENTS CO.,LTD
天津金匯太亞化學試劑有限公司
Test Report of Product 檢驗報告
品 名:四硼酸鈉(Na2B4O7·10H2O) 規格: 分析純
Product: Sodium tetraborate decahydrate Specification : A R
標準依據: GB/T 632—1993 批號: 20100525
Standard: GB/T 632—1993 Batch No: 20100525
檢驗項目
T e s t I t e m
|
檢驗標準
T e s t S t a n d a r d
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檢驗結果
T e s t r e s u l t
|
性狀
(Characters)
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無色結晶性粉末
(Colorless crystalline powder)
|
合格
(Conform)
|
含量
(Assay)
|
99.5%
|
99.6%
|
澄清度實驗
(Appearance of solution)
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應符合規定
(Comply with the standard)
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合格
(Conform)
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鹽酸不溶物
(hydrochloric acid -insoluble)
|
0.005%
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0.005%
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氯化物
(chloride)
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0.002%
|
0.001%
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硫酸鹽
(Sulphates)
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0.01%
|
0.005%
|
磷酸鹽
(Phosphate)
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0.002%
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0.001%
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鈣
(Calcium )
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0.005%
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0.005%
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鐵
(Iron)
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0.0003%
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0.0002%
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銅
(Potassium)
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0.001%
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0.001%
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鉛
(Magnesium)
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0.001%
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0.001%
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結論(Conclusion):符合分析純之規定(The above product complies with AR)
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