Trimethoprim, >99%, 1g

1,3,5-Trichlorobenzene, neat, Solvent-neat, Unit 100mg, # of units-1, Cas.no. 108-70-3

Picloram methyl derivative

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