4,4'-DDE, 100 µg/ml, Ethyl acetate, 5ml Back Catalog number: 673534 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 684346 D4-Menthol, 100 µg/ml, Methanol, 1ml Price on request S-4179-ASS-IO Aromatics Calibration Standards Kit, Std. 6 (without Internal Standard) 24 Analytes, each Vol.% as listed in isooctane; units: 5x10mL Set, one of each Std. 1-5 + opt. 1x1mL (Std. 6) Standard 6 of the calibration set is optional. It has been added in Price on request 3642.4-K-10PY 1,2,4-Butanetriol, 1000µg/mL, Solvent-dry pyridine, Unit 10mL, # of units-1, Cas.no. 3068-00-6 Price on request