Herbicides Mix #2 - Free Acids

2,2',3,4,5-Pentachloro[13C12]diphenyl ether, 1.2ml x 50ug/ml, nonane

Tris(2-butoxyethyl) phosphate, 1.2ml x 50ug/ml, toluene

Chlorothalonil-4-hydroxy, 10.0 µg/ml, Acetonitril