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: 焦亞硫酸鈉(Na2S2O5) 規(guī)格: 分析純
Product: Sodium pyrosulfite Specification : AR
標(biāo)準(zhǔn)依據(jù): GB/T15900-1995 批號(hào): 20100830
Standard: GB/T15900-1995 Batch No: 20100830
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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白色結(jié)晶性粉末
(White crystalline powder)
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合格
(Conform)
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含量
(Assay)
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95.0%
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99.6%
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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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0.001%
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氯化物
(Chloride)
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0.005%
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0.0015%
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砷
(Arsenic)
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0.0001%
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0.00006%
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鐵
(Iron)
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0.0005%
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0.00025%
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重金屬
(Heavy metal)
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0.0005%
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0.0002%
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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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