Formaldehyd-DNPH, 100mg

n-Decyl-n-octyl phthalate (mixture with dioctyl and didecyl phthalates),1000 µg/mL,isooctane,1mL,

Diphenylamine, 100 µg/ml, Acetonitrile, 1ml

4,4'-Dichlorobenzophenone, 100 µg/ml, Acetone, 1