Cytosin, 10g

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

1-(1,3-Benzodioxol-5-yl)butan-2-amine, , Solvent-, Unit , # of units-, Cas.no. 42542-07-4

D6-Carbofuran-3-keto, 100 µg/ml, Acetonitrile, 1