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Water analysis – Odorants

Analysis of drinking waterLow-level odorous compounds in drinking water

Drinking water is prone to contamination by naturally occurring compounds such as geosmin, methyl isoborneol (MIB) and trihaloanisoles.

These compounds can be detected by the human nose at levels as low as 10 ng/L (approx. 10 ppt), and although not presenting a health hazard, can cause an ‘earthy’ smell that is of concern to consumers.

Early detection and identification of these compounds (for example at the treatment plant) can therefore give water companies warning of contamination, and allow them to take remedial action.
 

What Markes can offer

The volatility of drinking water odorants makes analysis by gas chromatography (GC) a natural choice, while the low concentrations dictate the need for thermal desorption (TD) preconcentration.

These volatile compounds are best detected by sorptive extraction onto a PDMS ​stationary phase, such as Markes' HiSorb probes. ​For more information, see the HiSorb brochure.
 

UK
UK
Markes International Ltd
Gwaun Elai Medi-Science Campus
Llantrisant
RCT
CF72 8XL, UK
Tel: +44 (0)1443 230935
Germany
Germany
Markes International GmbH
Schleussnerstrasse 42
D-63263 Neu-Isenburg
Frankfurt
Germany
Tel: +49 (0)6102 8825569
USA (West)
USA
Markes International, Inc
2355 Gold Meadow Way
Gold River
California 95670
USA
Tel: 866-483-5684 (toll-free)
Part of Schauenburg International
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