Trifluoroacetic acid, 1ml

2-Methyl-4-nitroaniline,100 µg/mL,acetonitrile,1mL,

Propachlor, 100µg/mL, Solvent-c.hexane or ac.nitrile, Unit 1mL, # of units-1, Cas.no. 1918-16-7

EPA Method 505Mix