Complex sentence: A carbon-free carrier gas transports the CO 2, through a moisture trap and halide scrubbers remove of water vapor and halides from the gas stream before it reaches the detector.
Split into simpler sentences: A carbon-free carrier gas transports the gas, now in the form CO 2, through the instrument. Within the sample path flow, a moisture trap and halide scrubbers remove of water vapor and halides from the gas stream before it reaches the detector.