1,5-Dimethylnaphthalene, 10mg

Deuterated Phenol Mixture 2 2279,6 Phenol-2,3,4,5,6-d5 2280,7 p-Cresol-d8 2281,8 4-Ethylphenol-d10 2282,10 4-tert-Butyl-d9-phenol-2,3,5,6-d4 2283,15 2,6-Di-(tert-butyl-d9)-4-methylphenol-3,5-d2, OD 2327,17 4-n-Octylphenol-d17

Formaldehyde (0.5 ppm)

2,3,3',4,5,5'-Hexachloro-4'-methoxy[13C12]biphenyl, 1.2ml x 50ug/ml, toluene