2,3-Dichloro[13C12]dibenzofuran, 1.2ml x 50ug/ml, toluene Back Catalog number: MDF-23 Manufacturer: Wellington Laboratories Availability: 1 week Price on request - + Recommended DD-23-S 2,3-Dichlorodibenzo-p-dioxin, 1.2ml x 50ug/ml, nonane Price on request 680599 Cerotic acid, 100 µg/ml, Acetonitrile, 1ml Price on request S-4515-2-50PEX10 ISO 9377-2 Extraction solvent standard solution Dilute of "extraction solvent stock solution" (S-4212) 10 times with the extracting solvent (n-pentane) Use 50mL of extraction solvent standard solution pr. experiment Price on request