Anion Mix

Thiamethoxam, 10.0 µg/ml, Acetonitrile, 10ml

1-Ethyl-2-pyrrolidinone, 1000µg/ml in MeOH, 1ml

2,3,7,8-Tetrabromo[13C12]dibenzo-p-dioxin, 1.2ml x 50ug/ml, toluene