Sertralin-HCl, 100μg/ml in Acetonitrile, 5ml

Phenanthrene-d10, 1000µg/mL, Solvent-toluene, Unit 1mL, # of units-10, Cas.no. 1517-22-2

Demeton O, 100µg/mL, Solvent-c.hexane or ac.nitrile, Unit 1mL, # of units-1, Cas.no. 298-03-3

Custom BTEX mixture, variation of S-4218 6 components, each concentration as described below in methanol 1300.6 Benzene, 3000µg/mL 1264.7 Toluene, 3000µg/mL 1268.8 Ethylbenzene, 300µg/mL 1265.8 p-Xylene, 300µg/mL 1266.8m-Xylene, 300µg/mL 1267.8 o-X