Dazomet, 10 µg/ml, Ethyl acetate, 10ml

Caffeine, 1000µg/ml in MeOH, 1ml

Zearalanone (Certified Reference Material),10.02 µg/mL,acetonitrile,2mL,

Di-n-heptyltin dichloride, 1000µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 74340-12-8