2,4-Dibromodibenzofuran, 1.2ml x 50ug/ml, toluene

2-Isopropyl-6-methyl-4-pyrimidinol, anal. std., 1g

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

Sodium perfluoro-1-heptanesulfonate, 1.2ml x 50ug/ml, methanol