Mass-Labelled PCDD/PCDF Solution Mixture, 1.2ml, nonane

2,2',3,4,4',5,5'-Heptabromo[13C12]diphenyl ether, 1.2ml x 50ug/ml, nonane

3-(4,5-Dimethyl-2-thiazolyl)-2,5-diphenyltetrazolium Bromide, >98%, 1g

Tetra-n-butyltin-d36,1000 µg/mL,MeOH,1mL,