Caffeic acid, >98%, 20mg

Paraffin Mixture 2 Analytes, each 3 Wt.% in n-Hexane/n-Heptane = 1:1; units: 1x1mL, 5x1mL Use this standard to adjust the olefin and Ether-Alcohol-Aromatic (EAA) trap temperatures. Name Wt.% n-Nonane 3.0 n-Decane 3.0

Dichloromethane, 100µg/ml in MeOH, 2ml

Arochlor 5460 , 10µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 11126-42-4