Current Total VOC Measurements
The most common, and current standard, method for measuring Total Volatile Organic Compounds (VOC) is the use of a Flamed Ionisation Detector (FID). This gives a representative value of the total carbon content of a gas stream, as the FID cannot tell which specific organic compounds are present.
Measurement solution for complex, real-time VOC measurement with atmosFIR FTIR gas analyser platform
Volatile organic compounds (VOCs) are a group of organic compounds which have a low vapour pressure at room temperature, meaning that they will readily evaporate into the surrounding air. The term VOC refers to many different classes of organic compounds such as alkanes, alkenes, alcohols, aldehydes, aromatics and many more.
Protea has used our VOC gas analysers in many projects requiring the monitoring of complex mixes of VOCs. In the chemical and pharmaceutical industry, VOC abatement plants such as scrubbers and carbon-bed systems are typical installations where the use of Protea analysers and our VOC analysis expertise have proved valuable to plant operators. They prove a very powerful and flexible tool in both process gas measurements and VOC emissions monitoring. In the laboratory, Protea can deliver instruments with all the chemometric software and support to enable users to measure hundreds of gases.
Total Volatile Organic Compounds (VOCs) is a common measurement required from industrial emissions. Commonly, a single measurement value is obtained through the use of a Flame Ionisation Detection (FID) analyser. The pyrolysis of the gas stream in a FID analyser allows it to make a measurement of the carbon content of the gas stream. FID analyser cannot indicate the relative abundances of different organic species in a gas stream and often have widely different responses for different gases. However, they are taken as the standard reference method for Total VOC emission measurements.
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