8082LCS / Matrix Spike Back Catalog number: 92214 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 8021.16-100-ME Heliotrine, 100µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 303-33-3 Price on request S-4256-100-10LW 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 1569.18-10MG Norcodeine, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 467-15-2 Price on request