Difenoxuron,100 µg/mL,MeOH,1mL,

Calibration Mixtures: Di-n-butyl sulfide in Isooctane Unit: 1x10mL screw-capped bottle Isooctane µgS/g (ppm) Wt.% S-4050-0-10IO 0 Blank 0 S-4050-1-10IO 1 0.0001 Etc. S-4050-10Kit Kit of above solutions

1-Methylnaphthalene, 100 µg/ml, Acetonitrile, 1m

9-Hydroxyphenanthrene, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 484-17-3