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: 無水亞硫酸鈉(Na 2SO3) 規(guī)格: 分析純
Product: Sodium sulfite anhydrous Specification : AR
標(biāo)準(zhǔn)依據(jù): HG/T3472—2000 批號(hào): 20100821
Standard: HG/T3472—2000 Batch No: 20100821
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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白色粉末
(White powder)
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合格
(Conform)
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含量
(Assay)
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97.0%
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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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0.002%
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酸性亞硫酸鹽(以Na2HSO3計(jì))
(Acid accumulator sulfite(Na2HSO3))
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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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游離堿(以Na2CO3計(jì))
(Free alkali(Na2CO3))
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0.1%
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0.06%
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氯化物
(Chloride)
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0.005%
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0.0035%
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硫代硫酸鹽(S2O3)
(Thiosulfate(S2O3))
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0.01%
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0.007%
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鐵
(Iron)
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0.0005%
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0.0003%
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重金屬
(Heavy metal)
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0.001%
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0.0008%
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砷
(Arsenic)
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0.0001%
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0.0001%
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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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