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Standards and Traceability for Air Quality Measurements: Flow Rates and Gaseous Pollutants
Watson, JG (Watson, J. G.)[ 1,2 ]; Chow, JC (Chow, J. C.)[ 1,2 ]; Tropp, RJ (Tropp, R. J.)[ 1 ]; Wang, X (Wang, X.)[ 1 ]; Kohl, SD (Kohl, S. D.)[ 1 ]; Chen, LWA (Chen, L. W. A.)[ 1 ]
2013-10-01
Source PublicationMAPAN-JOURNAL OF METROLOGY SOCIETY OF INDIA
Volume28Issue:3Pages:167-179
Subtype期刊论文
Abstract

Accurate and precise flow rate and gas concentration measurement standards are needed for comparable air quality measurements. Transfer standards are most often used for calibration, performance testing, and auditing of field monitors. These must be traceable to primary standards that are in turn derived from fundamental units of length, mass, temperature, and time. Flow rates and volumes are measured by devices based on positive displacement, pressure differences, and temperature increases or decreases. Stable gas concentrations are prepared in non-reactive pressurized containers by gravimetric and dilution methods. Reactive gases are generated from photochemistry and permeation devices. These standards are used to determine the accuracy, precision, and validity of air quality measurements, and these attributes should be reported with the measurement values.

KeywordMeasurement Standards Calibration Gas Mass/volumetric Flow Quality Assurance
DOI10.1007/s12647-013-0071-z
Indexed By其他
Language英语
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Document Type期刊论文
Identifierhttp://ir.ieecas.cn/handle/361006/10014
Collection粉尘与环境研究室
Corresponding AuthorChow, JC (Chow, J. C.)[ 1,2 ]
Affiliation1.Division of Atmospheric Sciences, Desert Research Institute, 2215 Raggio Parkway, Reno, NV, USA;
2.State Key Laboratory of Loess and Quaternary Geology, Institute of Earth Environment, Chinese Academyof Sciences, 10 Funghi South Road, Xi’an High Tech Zone, Xi’an, Shaanxi, China
Recommended Citation
GB/T 7714
Watson, JG ,Chow, JC ,Tropp, RJ ,et al. Standards and Traceability for Air Quality Measurements: Flow Rates and Gaseous Pollutants[J]. MAPAN-JOURNAL OF METROLOGY SOCIETY OF INDIA,2013,28(3):167-179.
APA Watson, JG ,Chow, JC ,Tropp, RJ ,Wang, X ,Kohl, SD ,&Chen, LWA .(2013).Standards and Traceability for Air Quality Measurements: Flow Rates and Gaseous Pollutants.MAPAN-JOURNAL OF METROLOGY SOCIETY OF INDIA,28(3),167-179.
MLA Watson, JG ,et al."Standards and Traceability for Air Quality Measurements: Flow Rates and Gaseous Pollutants".MAPAN-JOURNAL OF METROLOGY SOCIETY OF INDIA 28.3(2013):167-179.
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