Formaldehyde-DNPH Level 3 (1.0ug/mL)

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

2-Methyl-1-naphthol, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 7469-77-4

Metolachlor, 100µg/mL in Acetonitrile, 1ml