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,MW:456.72
4-Hydroxy-2,2',3',4',5'-pentachlorobiphenyl 标准品
丙酮中内吸磷
异唑隆溶液,100ppm
Washington & Oregon NWTHP-Gx Surrogate Standards Mixture (repkg) 2500ug/ml in Methanol
Cyclohexane-1.1-bis(mercaptoacetic acid)
N-(6-Aminohexyl)-5-chloro-2-naphthalenesulfonamide Hydrochloride
醚菌酯
6-Methyl-2-thiouracil (无证书)
Cyclohexanone-DNPH 标准品
Phosphotungstic acid