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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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丁酮威 BePure-20829
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3-甲基-1-苯基-2-丁酮,2893-05-2,97%
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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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First Standard® 乙腈中26种醛酮DNPH混标溶液-2,15 µg /ml
26 Aldehyde/Ketone DNPH Mix Solution in Acetonitrile, 20μg/mLFirst Standard®天津
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First Standard® 乙腈中25种醛酮DNPH混标溶液-2,15 µg /ml
25 Aldehyde/Ketone DNPH Mix Solution in Acetonitrile, 20μg/mLFirst Standard®天津
-
乙腈中16种醛酮腙类混标,15μg/ml,1ml
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乙基异丁酮,623-56-3,>98.0%(GC)
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