Fipronil-sulfone, 100 ng/µl, 1ml

Methanol QC Reference Mixture III n-Butyl sulfide, 0.5 ppm (weight S by weight) in 99.9 % methanol; units: 1x10mL, 5x10mL

2-Pentanone, 1ml

Chlorthal (diacid), 10mg