2,3,5,6-Tetrabromo-p-xylene, 1.2ml x 50ug/ml , toluene

4,4'-Dibromo[13C12]diphenyl ether, 1.2ml x 50ug/ml, nonane

1,2,5,5,6,9,10-Heptachlorodecane (CP-8), 10.0µg/ml in Cyclohexane, 1ml

Anion QC Mix