4-Ethyltoluene 100 µg/ml Methanol
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Acetochlor in Acetone
BW20063DB-1ml | 批次浓度
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Acetone in Water
BW20067DW-5mL | 批次浓度
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Acrylamid in Methanol
BW20129DM-1mL | 10μg/mL
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Bentazone in Acetone
BW20559DB-1mL | 100.0μg/L
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Benzene in Methanol
BW20577DM-1mL | 10μg/mL
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Benzidine in Acetonitrile
BW20583DA-1mL | 1.2µg/mL(需稀释)
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C10535000 Benzene
DRE-C10535000 | 见证书
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Chlorinated paraffins C18-C20，52%Cl in Cyclohexane
BePure-29361YC-1.2mL | 1000µg/mL
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Chlorinated paraffins C18-C20，52%Cl in Cyclohexane
BePure-29361XC-1.2mL | 100µg/mL
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Phthalic acid,bis-butyl ester
BePure-24969-500mg | 见证书
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2-Propanol
BePure-25219-1g | 见证书
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2-Propanol in Methanol
BePure-25219LM-1.2mL | 10µg/mL
