1H,1H,2H,2H-Perfluorooctanesulfonic acid; 6:2FTS, 97%, 5g

Metolachlor ESA sodium salt, 25mg

Dibenz[a,h]anthracene-d14, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-5, Cas.no. 13250-98-1

n-Hexadecane-d34, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-5, Cas.no. 15716-08-2