QC Standard 1 Back Catalog number: 53084 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 59392 Anions Mix Price on request DF-IS-A200 Mass-Labelled PCDD Internal Standard Solution, 1.2ml x 200ng/ml , nonane Price on request 93838 Resorcinol, 2000µg/ml in MeOH, 1ml Price on request