a,a’-Dibromo-m-xylene

Nitrogen Calibration Set-High Boiling Solvents Units: 1x1mL ampoules or 10mL screw-capped bottle Nitrogen introduced using Carbazole Catalogue No. Concentration Matrix: isooctane mg/kg (ppm) S-4141-0 Blank S-4141-03

Mass-Labelled PCDF Internal Standard Solution, 1.2ml, nonane

ISO 9377-2MOD Extraction solvent standard solution Dilute of "extraction solvent stock solution" (S-4415) 10 times with the extracting solvent (n-pentane) 1,5,10x50mL Use 50mL of extraction solvent standard solution pr. experiment