Spike Sample Standard 1 Back Catalog number: 53028 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 677901 Dialifos, 100 µg/ml, Ethyl acetate, 1ml Price on request 70951 Ronnel (Fenchlorphos), 1000µg/ml in MeOH, 1ml Price on request 674082 Anthraquinone, 250mg Price on request