Interference Standard Mix 2 Back Catalog number: 52040 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended C16240000 Piperonyl butoxide, certified, 0.1g Price on request 3322.14-100 Bifenox, 100µg/mL, Solvent-c.hexane or ac.nitrile, Unit 1mL, # of units-1, Cas.no. 42576-02-3 Price on request 32341 p-Isopropyl toluene Price on request