Profenofos, 100 µg/ml, Acetonitrile, 5ml Back Catalog number: 678487 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended EPA-EU-PAH-ISS Deuterated PAH Solution/Mixture, 1.2ml, toluene Price on request 10938.20-K-ME EDDP-d3 perchlorate,1000 µg/mL (as pyrrolinium) ,MeOH,1mL, Price on request S-4055-50-IOX5 Sulfur Calibr. Mix. Dibenzothiophene in Isooctane. Units: 5x1mL ampoule, 1x10mL screw cap bottle Chiron No. (Matrix) Concentration Isooctane Xylene White oil 3 cst µgS/g (ppm) Wt.% S-4055-0-IO Price on request