你是指“mg/L与ug/L”呢还是“mg/L与ug/ml如何换算”呢1mg/L=1000ug/L1mg/L=1ug/ml
1ug/g=1mg/L,即1ug/g=1000ug/L。100ug/L=0.1ug/g。
1 mg = 1000 μg