Parathion-methyl, 100 µg/ml, Ethyl acetate, 5ml

3,3',5,5'-Tetrabromobisphenol S dimethyl ether,50 µg/mL ,toluene,1mL

Acrylamide (1,2,3-13C3, 99%),1mg/ml in MeOH, 1,2ml

ICP Mix