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畜蜱磷(赛灭磷) Bepure-21579YA
5-Chlorate CRM标准品
Chlorinated Pesticides (DDTs) and Metabolites in Isooctane
1-Aminoanthraquinone (无证书)
Pentafluorophenol Solution 100ug/ml in Methanol
Nitrosoamines Kit
F-, Cl-, Br-, NO3-, SO42- 标液
定制农药混标(19组份) 标准品
N,N-Dimethyl-p-nitroaniline (无证书)
Lead chromate