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New article in LCGC: The Column – Extending analyte ranges using multi-bed sorbent tubes

Tuesday, 7 April 2015 at 2:44:PM

LCGC The Column The March 2015 edition of LCGC: The Column features an article by Caroline Widdowson and David Barden that compares the performance of multi-bed and single-bed sorbent tubes for indoor air quality and material emissions testing.

The article summarises two peer-reviewed studies that demonstrate how multi-bed tubes give improved recovery of very volatile compounds compared to single-bed Tenax® tubes, without compromising the recovery or stability of heavier target analytes.

Widdowson and Barden say that although such multi-bed tubes are popular in environmental analysis, methods for material emissions testing have traditionally targeted relatively narrow analyte ranges. However, this is now changing, with a recent revision of a key international standard method including the option to use multi-bed sorbent tubes.  

To read more about this topic, download the article “Extending the compatible analyte volatility range for indoor air quality and material emissions testing using multi-bed thermal desorption tubes” here.


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