4-Hydroxy-4-methyl-2-pentanone, certified, 5ml

Mass Discrimination Test Mixture for ASTM D 5739 150 µg/mL in pesticide grade cyclohexane, 10mL Naphthalene 99 % Fluoranthene 99 % Benzo[ghi]perylene 99 %

Alternariol methyl ether, 100µg/mL, Solvent-dried down, Unit 1mL, # of units-1, Cas.no. 26894-49-5

Perfluorotetradecanoic acid, 50µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 376-06-7