Roflumilast, 10mg Back Catalog number: 675312 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended S-4142-2-IO Low level Nitrogen Calibration Units: 1x1mL ampoules or 10mL screwcapped bottle Nitrogen introduced using Aniline Catalogue No. Concentration Matrix: isooctane mg/kg (ppm) S-4142-0 Blank S-4142-05 0.5 S-4142-1 Price on request 18000-0282-100AN5 Clotrimazole, 100µg/ml in Acetonitrile, 5ml Price on request 673641 Monocrotophos, 10 µg/ml, Ethyl acetate, 10ml Price on request