Internal Standard Spiking Solution, 1.2ml, nonane

PSA-CaCl2Mix 6

Tridecanoic acid, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 638-53-9

Cyanofenphos, 100 µg/ml, Ethyl acetate, 5ml