国家标准物质-标准物质实验室【北京华研】
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USGS70 icosanoic acid methyl ester (C20 FAME)icosanoic acid methyl ester (C20 FAME) icosanoic acid methyl ester (C20 FAME) 100mg
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USGS69 n-hexadecanen-hexadecane n-hexadecane 50μL
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USGS68 n-hexadecanen-hexadecane n-hexadecane 50μL
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USGS67 n-hexadecanen-hexadecane n-hexadecane 50μL
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USGS66 glycineglycine glycine 0.5g
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USGS65 glycineglycine glycine 0.5g
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USGS64 glycineglycine glycine 0.5g
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USGS63 caffeinecaffeine caffeine 0.5g
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USGS62 caffeinecaffeine caffeine 0.5g
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USGS61 caffeinecaffeine caffeine 0.5g
标准物质实验室 · 京ICP备19035853号-1