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β-甲基吡啶馏分
β-Picoline fraction
价格:¥0.00
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萘中全硫含量的测定方法还原滴定法
Determination of total sulphur in naphthalene.reduction titration
价格:¥0.00
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焦化产品测定方法通则
General rule for determination of coke and coal chemicals
价格:¥0.00
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1,8-萘二甲酸酐含量测定方法
Method for the determination of 1,8-anphthalic anhydride content
价格:¥0.00
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涂料用硝化棉规范
Specification for nitrocellulose of lacquers
价格:¥0.00
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纯吡啶中吡啶含量的气相色谱测定方法
Refined pyridine-Determination of pyridine content—Gas chromatographic method
价格:¥0.00
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1,8-萘二甲酸酐熔点测定方法
Method for the determination of the melting point of 1,8-naphthalic anhydride
价格:¥0.00
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工业蒽中油含量测定方法
Method of the determination of oil content of crude phrnol
价格:¥0.00
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