b-1,2,3,4,5,6-Hexachloro(13C6)cyclohexane, 1.2mL x 100ug/mL, nonane

Imidacloprid, 100 µg/ml, Acetonitrile, 5ml

2,3-Dimethylbenzothiophene, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 4923-91-5

Sodium p-n-tetradecylbenzenesulfonate, 100µg/mL, Solvent-methanol/water (50/50), Unit 1mL, # of units-1, Cas.no. 1797-33-7