Spike Sample Standard 1 Back Catalog number: 53028 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 674781 Bifenox free acid, 25mg Price on request XA15086070ME 3-Methylfuran, 100 ng/µl, 1ml Price on request 674987 D20-Ethoxyquin Dimer, 5mg Price on request