Interference Standard Mix 2 Back Catalog number: 53040 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 72563 Dodecamethylcyclohexasiloxane Price on request 55165 SDWA Nutrients Price on request 66184 PCB No. 184, 100µg/ml in Isooctane, 1ml Price on request