Oxalic acid, neat, Solvent-neat, Unit 1g, # of units-1, Cas.no. 144-62-7

Nitrogen Calibration Set-High Boiling Solvents Units: 1x1mL ampoules or 10mL screw-capped bottle Nitrogen introduced using Carbazole Catalogue No. Concentration Matrix: isooctane mg/kg (ppm) S-4141-0 Blank S-4141-03

tert-Dodecylmercaptan, mixture of isomers

Dioxin-like PCBs,WHO + ISO/DIS 17858 Chiron No. Compound PCB No. 2006.12 3,3´4,4´-Tetrachlorobiphenyl PCB-77 2007.12 3,4,4´,5-Tetrachlorobiphenyl PCB-81 2008.12 2,3,3´,4,4´-Pentachlorobiphenyl PCB-105 2009.12 2,3,4,4´,