Calibration Standard Mix 5 Back Catalog number: 53047 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 34421 1,1,1-Trifluoroethane Price on request 72606 2’,4’,5’-Trifluoroacetophenone Price on request 98514 BTEX (1.0 µg/mL) Price on request