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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
氯(标液),ml/0.003mg
氯(标液),0.003mg/ml
氯(标液),ml/0.005mg
氯(标液),0.005mg/ml
氯(标液)ml/0.01mg
氯(标液),ml/0.01mg
氯(标液),0.01mg/ml
氯(标液),0.5ppm
氯(标液),1ppm
盐酸(标液)*,0.5mol/L
盐酸(标液)*,0.05mol/L
盐酸(标液)*,0.02mol/L