Phenol Standard

(1S,2R,3S,4S)-1,2,3,4-Tetrahydrobenz[a]anthracene-1,2,3,4-tetrol, , Solvent-, Unit , # of units-, Cas.no.

Formaldehyde-DNPH Level 5 (5ug/mL)

1,2,3,8,9-Pentachloro[13C12]dibenzo-p-dioxin, 1.2ml x 50ug/ml, toluene