Retention Marker Standard - TX1005 Back Catalog number: 92934 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 0664.28-100-IO 4 alpha-Methyl-5 alpha(H),14 alpha(H),17 alpha(H)cholestane, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 474-41-9 Price on request DFP-IS-B10 Mass-Labelled PCDD & PCB Internal Standard Solution, 1.2ml, nonane Price on request 51063 ASTM D-4815 Oxygenates Calibration Set Price on request