2,3,5,6-Tetrabromo-p-xylene, 1.2ml x 50ug/ml , toluene

Cyclohexanone-DNPH

1,2,4,5,7,8-Hexachloro(13C10)naphthalene, 1.2mL x 50ug/mL, nonane

Trimethyl phosphate, 100 µg/ml, Methanol, 5ml