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苯甲醛-乳酸乙酯 混标标准品 BW31760-bDA-1mL
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SHIMSEN Styra DNPH-PLUS 1000 mg 20支/盒
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First Standard® 乙腈中丙醛-DNPH溶液,3μg/mL
Propionaldehyde-DNPH Solution in Acetonitrile, 3μg/mLFirst Standard®天津
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First Standard® 乙腈中戊醛-DNPH溶液,3μg/mL
Valeraldehyde-DNPH Solution in Acetonitrile, 3μg/mLFirst Standard®天津
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First Standard® 乙腈中丙酮-DNPH溶液,3μg/mL
Acetone-DNPH Solution in Acetonitrile, 3μg/mLFirst Standard®天津
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First Standard® 乙腈中丁酮-DNPH溶液,3μg/mL
Butanone-DNPH Solution in Acetonitrile, 3μg/mLFirst Standard®天津
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First Standard® 乙腈中丁醛-DNPH溶液, 3μg/mL
Butyraldehyde-DNPH Solution in Acetonitrile, 3μg/mLFirst Standard®天津
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First Standard® 乙腈中己醛-DNPH溶液,3μg/mL
Hexaldehyde-DNPH Solution in Acetonitrile, 3μg/mLFirst Standard®天津
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GNM-SMG-002-2013 乙醛-DNPH
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莱伯帕兹EZsep DNPH-Silica 1000mg 20/pkSPE 固相萃取柱
、EPA Method TO-11A 等标准 采用特殊的生产工艺,保证产品背景值低于行业标准,并且乙醛含量低于同行其他品牌产品。
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