Aroclor 1248 Back Catalog number: 91516 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended H953300 rac all-trans 4-Hydroxy Retinoic Acid, 1mg Price on request 55217 WS Boron Price on request S-4140-25-10IO Nitrogen Calibration Set-Low Boiling Solvents Units: 1x1mL ampoules or 10mL screw-capped bottle Nitrogen introduced using Pyridine Catalogue No. Concentration Matrix: isooctane mg/kg (ppm) S-4140-0 Blank S-4140-03 0.3 Price on request