Natural alkyl pyrazines,1000 µg/mL,isooctane,1mL,

Hexachlorobenzene, 100 µg/ml, Methanol, 5ml

Linoleic acid methyl ester in cyclohexane One component, 3268.19, in cyclohexane 7x10mL (10mL of each concentration) Solution no. g/L % (V/V) 1 15 1,70 2 20 2,27 3 30 3,41 4 40 4,55 5 50 5,68 6

2,2',4,4',5,5'-Hexabromo[13C12]biphenyl, 1.2ml x 50ug/ml, nonane