ICP-MS Internal Standard

Trimethoprim

2-Amino-4-methoxy-6-methyl-1,3,5-triazine, 100 μg/ml, Acetonitrile, 5ml

1,2,3,4,6,7,8-Heptabromodibenzo-p-dioxin, 1.2ml x 25ug/ml, toluene