Interference Standard 3 Back Catalog number: 53050 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 4PM101 2,2',4,5,5'-Pentachloro-4'-methoxybiphenyl, 1.2ml x 50ug/ml, nonane Price on request 33591 Vinyl chloride Price on request 72243 Pyridoxine Price on request