Internal Standard Spiking Solution, 1.2ml, nonane

Dicamba-methyl ester, 100mg

Methyl cis-13-docosenoate C22:1, 10.0mg/mL in Heptane, 1ml

N-Nitroso-4-(2-hydroxyethyl)-piperazin-2-one,1000 µg/mL,acetonitrile,1mL,