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

Anthracene, 10µg/ml in Acetonitrile, 10ml

Mono-(2-ethyl-5-carboxypentyl)phthalate-13C2, 1,2m

2,2',3,4',5',6-Hexabromodiphenyl ether, 1.2ml x 50ug/ml, nonane