Tolprocarb, 100 µg/ml, Acetonitrile, 1ml Back Catalog number: 679293 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 674815 Prothoate, 10 µg/ml, Ethyl acetate, 10ml Price on request S-4055-100-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 DF-IS-G200 Mass-Labelled PCDF Internal Standard Solution, 1.2ml, nonane Price on request