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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
Bieberer Straße 1–7
63065 Offenbach am Main
Germany
 
Tel: +49 (0)69 6681089-10
USA (West)
USA
Markes International, Inc.
2355 Gold Meadow Way
Gold River, Sacramento
California 95670
USA
Tel: +1 866-483-5684 (toll-free)
China
China
Markes Instruments (Shanghai) Co., Ltd
No. 1 Building, No. 7 Guiqing Road
Xuhui District
Shanghai 200233
P.R. China
Tel: +86 21 5465 1216
Part of Schauenburg International
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