delta-HCH, 10.0 µg/ml, Cyclohexane, 10ml

O,O-Dimethylthiophosphate-13C2, sodium salt

4,4'-Dichloro[13C12]biphenyl, 50.0µg/mL in Nonane/10% toluene, 1,2ml

Custom nitrosamine-control mix 7 components, each 500µg/mL in acetonitrile 9666.4-K-AN N- Nitrosodiethanolamine 1116-54-7 NDELA 9004.2-2K-DC N-Nitrosodimethylamine 62-75-9 NDMA 9006.4-2K-DC N-Nitrosodiethylamie