Tetracontane, 100 µg/ml, Hexane, 10ml

1,2-Bis(2,4,6-tribromo[13C6]phenoxy)ethane, 1.2ml x 50ug/ml, toluene

Rimsulfuron, 1000μg/ml in Acetone, 1ml

6-Methylchrysene, 100 µg/ml, Acetonitrile, 1ml