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丁醛-DNPH 溶液,30ppm
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2-丁酮-DNPH标准品
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对甲苯甲醛-DNPH标准品
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丙烯醛-DNPH标准品
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First Standard® 乙腈中丁烯醛-DNPH溶液,3μg/mL
Crotonaldehyde-DNPH Solution in Acetonitrile, 3μg/mLFirst Standard®天津
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First Standard® 乙腈中苯甲醛-DNPH溶液,3μg/mL
Benzaldehyde-DNPH Solution in Acetonitrile, 3μg/mLFirst Standard®天津
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乙腈中16种醛酮腙类混标,15μg/ml,1ml
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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
-
Butvar® B-74聚乙烯醇缩丁醛,63148-65-2,M.W.120,000-150,000
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