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Polychlorodibenzo-p-dioxins (PCDDs) and polychlorodibenzofurans (PCDFs) solutions 标准品
PUNYW27041263 rac-Lavandulyl Acetate
Sulfate from Na2SO4 @ 1000ug/ml in water(有证书)
Cimetidine 标准品
Metobromuron
First Standard® 正己烷中5种有机氯农药混标溶液,100μg/mL
盐酸氯苯胍-D8
QTM PAH SMC混标 标准品
Acetochlor-d11 (2-ethyl-6-methylphenyl-d11)
Diphenyl sulfone 标准品