Multi-Element Standard Back Catalog number: 50729 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended MDF-1234789 1,2,3,4,7,8,9-Heptachloro[13C12]dibenzofuran, 1.2ml x 50ug/ml, toluene Price on request 679350 4-Chloronitrobenzene, 100 µg/ml, Methanol, 1ml Price on request 675571 Famphur, 10.0 µg/ml, Acetonitrile, 10ml Price on request