Trimethoprim, >99%, 1g Back Catalog number: 92131-1G Availability: In the manufacturer's stock Price on request - + Recommended S-4050-750-10IO 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 Price on request 680403 PCB 180, 10.0 µg/ml, Isooctane, 10ml Price on request 675405 4-Chlorophenol, 10 µg/ml, Methanol, 10ml Price on request