Monitoring VOC emissions from respiratory medical devices in accordance with the new ISO 18562 international standard
This Application Note describes the monitoring of potentially harmful volatile and semi-volatile organic compounds (VOCs and SVOCs) emitted from respiratory medical devices, in accordance with the recently-released ISO 18562 standard. The sampling protocol involves passing the air stream through the medical device and onto a sorbent-packed tube, followed by automated analysis by well-established and reliable TD–GC–MS protocols. Emissions from two sets of face-mask supply tubing and three nasal cannulas were compared, and all were found to emit VOCs, with emission levels being relatively high in the first 24 hours of use.
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