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Butvar® B-98聚乙烯醇缩丁醛
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Butvar® B-72聚乙烯醇缩丁醛
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丁醛二丁基乙缩醛,5921-80-2,>98.0%(GC)
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正丁醛-DNPH标准品
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3-(4-异丙苯基)异丁醛,103-95-7,>92.0%
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Butvar® B-76聚乙烯醇缩丁醛,63148-65-2,M.W.90,000-120,000
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Butvar® B-72聚乙烯醇缩丁醛,63148-65-2,M.W.170,000-250,000
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Butvar® B-74聚乙烯醇缩丁醛,63148-65-2,M.W.120,000-150,000
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3-苯基丁醛,16251-77-7,97%
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艾杰尔Cleanert固相萃取柱2g/25ml, 20/Pk
PCX SPE column艾杰尔天津艾杰尔固相萃取Cleanert固相萃取柱PCX SPE column2g/25ml, 20/Pk
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