Fig. 4From: Occurrence and health risks of heavy metals in crayfish (Procambarus clarkii) from Jiangsu province, ChinaConcentrations of heavy metals in whole body of crayfish from different districts. -As, -Cd, -Hg, -Pb. Heavy metal concentration below the LOQ was substituted by half the LOQ during the analysis. LOQ of As, Cd, Hg and Pb were 1 µg/kg, 1 µg/kg, 1 µg/kg and 5 µg/kg, respectivelyBack to article page