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乙腈中14种醛酮DNPH混标, 10 µg /ml
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乙腈中14种醛酮DNPH混标, 20 µg /ml
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乙腈中25种醛酮DNPH混标-2, 15 µg /ml
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乙腈中26种醛酮DNPH混标-2, 15 µg /ml
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First Standard® 乙腈中4种醛酮类混标溶液, 20μg/mL
4 Aldehyde/Ketone DNPH Mix Solution in Acetonitrile,20μg/mLFirst Standard®天津
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First Standard® 乙腈中乙丁烯氟灵溶液,100μg/mL
Ethalfluralin Solution in Acetonitrile, 100μg/mLFirst Standard®天津
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First Standard® 戊二醛-DNPH
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First Standard® 乙腈中杀螨酯溶液,1000μg/mL
Chlorfenson Solution in Acetonitrile, 1000μg/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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First Standard® 乙腈中芘溶液,100μg/mL
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