Primary Calibration PID (VPH) Back Catalog number: 91784 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 31161 1,2-Dibromoethane Price on request PFC-C-CS1,2,3,4,5 Individual Calibration Solutions , 200ul, methanol Price on request 3656.6-100 1,2,4,5-Tetrachlorobenzene, 100µg/mL, Solvent-c.hexane or ac.nitrile, Unit 1mL, # of units-1, Cas.no. 95-94-3 Price on request