EPA Method 525 - Internal Standard Back Catalog number: 30031 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended S-4055-500-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 677879 Nonylphenol (technical), 100 µg/ml, Acetone, 1ml Price on request S-4105-ASS-5DC Iatroscan Standard 2 3 Analytes, each concentration as listet in dichloromethane; units: 1x5mL, 5x5mL Chiron No. Name CAS No. Conc. 0816.14 Phenanthrene [85-01-8] 5mg/15mL 0652.30 Squalane [111 Price on request