TIANJIN JINHUITAIYA CHEMICAL REAGENTS CO.,LTD
天津金匯太亞化學(xué)試劑有限公司
Test Report of Product 檢驗(yàn)報告
品 名:檸檬酸鈉,二水(C6H5Na3O7·2H2O) 規(guī)格: 分析純
Product: Trisodium citrate dihydrate Specification : AR
標(biāo)準(zhǔn)依據(jù): GB/T 16493—1996 批號:
Standard: GB/T 16493—1996 Batch No:
檢驗(yàn)項(xiàng)目
T e s t I t e m
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檢驗(yàn)標(biāo)準(zhǔn)
T e s t S t a n d a r d
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檢驗(yàn)結(jié)果
T e s t r e s u l t
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性狀
(Characters)
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無色結(jié)晶
(Colorless crystal)
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合格
(Conform)
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含量
(Assay)
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99.0%
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99.1%
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PH
(Ph)
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7.5~9.0
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7.8
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澄清度實(shí)驗(yàn)
(Appearance of solution)
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應(yīng)符合規(guī)定
(Comply with the standard)
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合格
(Conform)
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水不溶物
(Water-insoluble)
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0.005%
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0.005%
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氯化物
(Chloride)
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0.002%
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0.002%
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硫酸鹽
(Sulphates)
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0.002%
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0.002%
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總氮量
(Total nitrogen)
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0.001%
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0.0008%
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磷酸鹽
(Phosphate)
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0.002%
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0.001%
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鐵
(Iron)
|
0.0005%
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0.0004%
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重金屬
(Heavy metal)
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0.0005%
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0.0005%
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易炭化物質(zhì)(Easy to carbonize material)
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應(yīng)符合規(guī)定
(Comply with the standard)
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合格
(Conform)
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結(jié)論(Conclusion):符合分析純之規(guī)定(The above product complies with AR)
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