Ractopamine elisa test kit Technical specifications Sensitivity : 0.5 ppb Detection limit Muscle 1ppb Liver--2ppb Urine-1ppb Admixture-25ppb Contrated material , premix material-75ppb Recovery rate Urine--85+10% Muscle and liver--80+10% Cross-reactions Ractopamine---100% Dobutamine-10% Clenbuterol 0.1% Salbutamol -0.1% Weight:1.5kg Dimensions:24cm*16cm*11cm