8260B Purgeable Internal Standard Back Catalog number: 93886 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 72181 L-Histidine Price on request 2944.14-100-IO Ethyl viologen-d8 dichloride (rings-d8), 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. Unlabelled 3688-18-4 Price on request 2424.6-K-IP 2,3,6-Trichlorophenol-4,5-d2, 1000µg/mL, Solvent-isopropanol, Unit 1mL, # of units-1, Cas.no. 93951-81-6 Price on request