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正十七烷 reference substance for gas chromatography
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正十六烷 reference substance for gas chromatography
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正十五烷 reference substance for gas chromatography
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正十四烷 reference substance for gas chromatography
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正十二烷 reference substance for gas chromatography
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正十一烷 reference substance for gas chromatography
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D-樟脑 reference substance for gas chromatography
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油酸甲酯 reference substance for gas chromatography
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癸酸甲酯 reference substance for gas chromatography
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水中溴酸根(BrO3-)成分分析标准物质,100μg/ml in Water (20℃)
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