2,3,7,8-Tetrabromodibenzofuran

Chloral hydrate, 1000µg/ml in Acetonitrile, 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

Perfluorooctane sulfonic acid, 100µg/mL in MeOH:Water, 1ml