BTEX Standard Back Catalog number: 90007 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 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 0974.29-10-IO d4 C29 alpha alpha alpha (20R)-Ethylcholestane, 10µg/mL in Isooctane, 1ml Price on request 2925.7-100-AN Desethylterbuthylazine-d9 (tert-butyl-d9), 100µg/mL, Solvent-acetonitrile, Unit 1mL, # of units-1, Cas.no. 1219798-52-3 Price on request