STD - CRQL Back Catalog number: 50288 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended DF-IS-A40 Mass-Labelled PCDD Internal Standard Solution, 1.2ml x 40ng/ml, nonane Price on request 2354.8-100-ME Tetraethylammonium bromide, 100µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 71-91-0 Price on request 680597 Behenic acid, 100 µg/ml, Acetonitrile, 1ml Price on request