Measurement of acetaldehyde, benzene, toluene, ethylbenzene, & xylenes in CO2 applications for food & beverage industry - Food and Beverage

The BevAlert Model 8900 provides direct measurement of Acetaldehyde, Benzene, Toluene, Ethylbenzene, and Xylenes (ABTEX) in Carbon Dioxide. The instrument is utilized by Specialty Gas Manufacturers and the Food and Beverage Industry to monitor trace volatile organic compounds in CO2 used in carbonated beverages.

The BevAlert Model 8900 employs a photoionization detector (PID). The ABTEX in the gas sample are physically separated using proprietary GC columns. A pre-cut column and an analytical column with timed backflush to vent are used to strip off moisture and heavier hydrocarbons. At sample injection, a fixed volume of sample is carried through the pre-cut column. The backflush is timed so that only the ABTEX and other similar compounds continue on to the analytical column. Contaminants on the pre-cut column are simultaneously backflushed to vent. Acetaldehyde, Benzene, Toluene, Ethylbenzene, and Xylenes are separated from potentially interfering components on the analytical column and elute to the detector for analysis.

Measurement of ABTEX in beverage grade carbon dioxide.

  • Direct measurement of Acetaldehyde, Benzene, Toluene, Ethylbenzene and Xylenes in CO2
  • Automatic calibration for unattended operation
  • Automatic baseline adjustment for long-term stability
  • Analog outputs for Acetaldehyde, Benzene, Toluene, Ethylbenzene, Total Xylene concentrations
  • Analog output ranges are user selectable
  • Concentration and diagnostic alarm relays
  • Graphic display of current or historical concentrations
  • Multipoint sampling options
  • RS-232 and optional LAN