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ELISA试剂盒
酶联免疫试剂盒
食品农残检测
标准品
生物细胞
sigma试剂
通用试剂
铁(标液),1mg/ml
铁(标液),0.01mg/ml
铅(标液),0.1mg/ml
铅(标液),1mg/ml
镁(标液),1mg/ml
锰(标液),1mg/ml
钼(标液),1mg/mL
镍(标液) 1mg/ml
镍(标液),1mg/ml
镍(标液),0.1g/l
硝酸(标液),1mol/L
酚酞(标液),0.01