2,3,4',5-Tetrachlorobiphenyl, 5mg Back Catalog number: C-063N Availability: In the manufacturer's stock Price on request - + Recommended S-4606-50-10PE ISO 9377-2Mod Standard Mixture of n-Alkanes + BTEX I S-4423-50-5PE C7+C10+ C20+C40+BTEX (without p-Xylene) in n-Pentane Determination of Hydrocarbon Oil in Water Index 9 Analytes; each 50µg/mL in n-pentane; units: 1x1mL, 1x5mL, 10x1mL Benzene Price on request 1513.19 11-Methylbenz[a]anthracene, Please inquire, Solvent-, Unit , # of units-, Cas.no. 6111-78-0 Price on request S-4051-0-10HW Sulfur Calibration Mixtures: Di-n-butyl sulfide in Heavy White Oil (less than 20mg/kg S) Unit : 10mL screw-capped bottle Light White Mineral Oil Heavy White Mineral Oil (20 cSt at 40°C) (70 cSt at 40°C) Price on request