Mono-ethyl phthalate (ring-1,2-13C2,99%, dicarboxyl-13C2,99%) 100 µg/mL in MTBE Back Catalog number: CLM-4586-MT-1.2 Availability: In the manufacturer's stock Price on request - + Recommended S-4256-K-10LW Sulfur Calibr. Mix. Dibenzothiophene in White oil (20 cSt)Unit: 10mL screw-capped bottle Matrix White oil White Oil Concentration Isooctane Toluene 3 cSt Price on request 60008 High Concentration Mix #1 Price on request 9439.8-100-AN Demeton O Price on request