4.4'-DDE (13C12), 100µg/ml in n-Nonane, 1,2ml Back Catalog number: S-FC93S-1.2ML Availability: In the manufacturer's stock Price on request - + Recommended 0975.27-100-IOX5 d4 C27 alpha alpha alpha (20R)-Cholestane, 100µg/mL in Isooctane, 5 x 1ml Price on request 50730 Anion Mix Price on request S-4515-2-50PE 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