Formaldehyde-DNPH Level 2 (0.5ug/mL)

2-(tert-Butylamino)-4-(cyclopropylamino)-6-( methylthio)-1,3,5-triazine, >98%, 5g

Tri-o-tolyl phosphate, 1.2ml x 50ug/ml, toluene

Mass-Labelled PCDF Internal Standard Solution, 1.2ml, nonane