2-Chlorotoluene, 100µg/mL in MeOH, 5mL

1,4,6-Trimethylnaphthalene, 500µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 2131-42-2

Sulfameter, 100 µg/ml, Methanol, 1ml

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