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(bào)告
品 名: 氧化鋅(ZnO) 規(guī)格: 分析純
Product: Zinc oxide Specification: AR
標(biāo)準(zhǔn)依據(jù): GB/T2890—1997 批號(hào): 20110223
Standard: GB/T2890—1997 Batch No: 20110223
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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淡黃色結(jié)晶性粉末
(Pale yellow crystalline powder)
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合格
(Conform)
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含量
(Assay)
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99.0%
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99.5%
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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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稀硫酸不溶物
(Dilute sulphuric acid insoluble substance)
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0.01%
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0.0045%
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游離堿
(Free alkali)
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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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氯化物
(Chloride)
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0.001%
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0.0006%
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硫化合物
(Sulfur compounds)
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0.01%
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0.004%
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硝酸鹽
(Nitrites)
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0.003%
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0.0012%
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錳
(Manganese)
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0.0005%
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0.0003%
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鐵
(Iron)
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0.0005%
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0.0002%
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砷
(Arsenic)
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0.00005%
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0.00003%
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鉛
(Plumbum)
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0.005%
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0.002%
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還原高錳酸鉀物質(zhì)
(Potassium permanganate-reducing)
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0.002%
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0.001%
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硫化銨不沉淀物
(Non-sludging to ammoniumsulfide)
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0.1%
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0.06%
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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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