Selenium (IV) Selenite, 1000µg/ml in Water, 100ml

1,3-Dimethyl-2-(3,7-dimethyloctyl)cyclohexane, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 19550-61-9

Atrazine, 100 µg/ml, Ethyl acetate, 5ml

Tetracontane, >97%, 1g