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Product category: Testing, analysing and monitoring equipment
News Release from: Quantitech | Subject: Gasmet Dx-4000
Edited by the Engineeringtalk Editorial Team on 17 July 2002

Greener valleys in South Wales

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Anchem Laboratories is using a portable FTIR gas analyser from Quantitech that provides the flexibility to measure a range of flue gasses for its customers.

Anchem Laboratories was founded 18 years ago, originally to provide a coal analysis service to the mines of South Wales The company has diversified to reflect the huge changes in the industrial landscape of the region, and is now UKAS accredited to provide a comprehensive service to the varied industries located there, including asbestos monitoring, chemical analysis and emissions monitoring

Many of Anchem's clients operate under individual authorisations from the local authority or Environment Agency based on their specific processes, and require periodic confirmation that their flue emissions conform to the license conditions.

Anchem chose the Gasmet Dx-4000, a portable FTIR gas analyser from Quantitech, that can continuously and accurately monitor up to 50 different components simultaneously and so could provide the necessary flexibility.

The needs of two typical clients, one a titanium-finishing plant and the other an aluminium smelter, illustrate the diversity of measurements required.

In the first case, traces of HF down to 10mg/m3 along with HNO3, NO2, N2O and NO must be measured, whereas in the second it is H2SO4 and HCl from fluxes and CO, CO2 and nitrogen oxides from the furnaces.

The direct reading, simultaneous detection system of the Dx-4000 means that 1min means of emission concentrations can be obtained instead of the 0.5h means that would be the best achievable with laborious extractive methods.

According to David White, Anchem's air emissions specialist, the ability of the Dx-4000 to provide retrievable information is one of the great benefits of the FTIR principle.

"Even if we have not been looking for a particular component, because it's FTIR the data is all there and can be logged and extracted later if needed.

The applications support from Quantitech in this regard has been excellent".

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