Thyroxine-13C6, 1mg

7,9-Di-tert-butyl-1-oxaspiro[4,5]deca-6,9-die ne-2,8-dione, 25mg

2,3-Dimethylpentane

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