Insulating liquids

Calibration PCB solution 14 components (EN 61619) 10ug/ml each of PCB 18 [CAS:37680-65-2] ; PCB 28 [CAS:7012-37-5] ; PCB 31 [CAS:16606-02-3] ; PCB 44 [CAS:41464-39-5] ; PCB 52 [CAS:35693-99-3] ; PCB 101 [CAS:37680-73-2] ; PCB 118 [CAS:31508-00-6] ; PCB 138 [CAS:35065-28-2] ; PCB 149 [CAS:38380-04-0] ; PCB 153 [CAS:35065-27-1] ; PCB 170 [CAS:35065-30-6] ; PCB 180 [CAS:35065-29-3] ; PCB 194 [CAS:35694-08-7] ; PCB 209 [CAS:2051-24-3] in Iso-octane