4-Nitrophenol-PFB derivative Back Catalog number: 71579 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended S-4055-500-10IO 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 685296 Chloramben, 100 µg/ml, Acetonitrile, 5ml Price on request 678215 D4-Propyl paraben, 100 µg/ml, Methanol, 1ml Price on request