Aroclor 1254 Back Catalog number: 90528 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 13700-0155-1000WS Trifluoroacetic acid, 1000µg/ml in Water, 5ml Price on request 681604 Dihydroxy quinoxaline, 100mg Price on request DF-IS-I200 Mass-Labelled PCDF Internal Standard Solution, 1.2ml, nonane Price on request