Spiking Solution Back Catalog number: 59381 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 3492.10-100-CY Propetamphos Price on request 2189.4-50-ME Perfluorobutyric acid, sodium salt, 50µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 2218-54-4 Price on request 683728 Acetaldehyd-DNPH, 100mg Price on request