Silicon (Si) Back Catalog number: 58014 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended S-4254-1-10T Sulfur Calibr. Mix. Dibenzothiophene in Toluene (20 cSt)Unit: 10mL screw-capped bottle Matrix White oil White Oil Concentration Isooctane Toluene 3 cSt Price on request DDF-MDT Native PCDD/PCDF Solution/Mixture, 1.2ml, nonane Price on request 0353.19-K-IO 9-Phenylfluorene, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 789-24-2 Price on request