2-Nitrobiphenyl-d9,1000 µg/mL,toluene,1mL,

3,4,5-Trichloro[13C6]phenol, 1.2ml x 100ug/ml, isooctane

Fumonisin B2, 50 µg/ml, Acetonitrile/Water, 5ml

Bromocyclen, 10.0 µg/ml, Ethyl acetate, 10ml