Zobrazeno 1 - 10
of 72
pro vyhledávání: '"David R, Worton"'
Autor:
George C. Rhoderick, Christina E. Cecelski, Walter R. Miller, David R. Worton, Sergi Moreno, Paul J. Brewer, Joële Viallon, Faraz Idrees, Philippe Moussay, Yong Doo Kim, Dalho Kim, Sangil Lee, Annarita Baldan, Jianrong Li
Publikováno v:
Elementa: Science of the Anthropocene, Vol 7, Iss 1 (2019)
Measurements of volatile organic compounds (VOCs) have been ongoing for decades to track growth rates and assist in curbing emissions of these compounds into the atmosphere. To accurately establish mole fraction trends and assess the role of these ga
Externí odkaz:
https://doaj.org/article/8217311e222947818240eedf893d8ac0
Autor:
Adriaan M H van der Veen, Iris de Krom, Ruben Ziel, Gerard Nieuwenkamp, Lucy P Culleton, David R Worton, John Allden
Siloxanes are silicon-containing volatile organic compounds that occur in air, biogas and biomethane. Their presence in biogas and biomethane may give rise to silica deposits in gas transmission and distribution infrastructure, as well as in end-user
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4b5b2016b4b629a8ac3bc90b4518a3a1
https://doi.org/10.21203/rs.3.rs-2598788/v1
https://doi.org/10.21203/rs.3.rs-2598788/v1
Autor:
Arul Murugan, Richard J. C. Brown, Robbie Wilmot, Delwar Hussain, Sam Bartlett, Paul J. Brewer, David R. Worton, Thomas Bacquart, Tom Gardiner, Rod A. Robinson, Andrew J. Finlayson
Publikováno v:
C, Vol 6, Iss 4, p 76 (2020)
Impurities in carbon dioxide can affect several aspects of the carbon capture and storage process, including storage capacity, rock erosion, accuracy of flow meters, and toxicity of potential leaks. There is an industry need for guidance on performin
Externí odkaz:
https://doaj.org/article/848613069a64417cb75b37571719f08a
Autor:
Joachim Mohn, Ruth E. Hill-Pearce, Eric Mussell Webber, Paul J. Brewer, David R. Worton, Christoph Zellweger, Aimee Hillier, Simon O'Doherty, Kanokrat Charoenpornpukdee
Publikováno v:
Hill-Pearce, R E, Hillier, A, Mussell Webber, E, Charoenpornpukdee, K, O'Doherty, S, Mohn, J, Zellweger, C, Worton, D R & Brewer, P J 2021, ' Characterisation of gas reference materials for underpinning atmospheric measurements of stable isotopes of nitrous oxide ', Atmospheric Measurement Techniques, vol. 14, no. 8, pp. 5447-5458 . https://doi.org/10.5194/amt-14-5447-2021
Atmospheric Measurement Techniques, Vol 14, Pp 5447-5458 (2021)
Atmospheric Measurement Techniques, Vol 14, Pp 5447-5458 (2021)
The precise measurement of the amount fraction of atmospheric nitrous oxide (N2O) is required to understand global emission trends. Analysis of the site-specific stable isotopic composition of N2O provides a means to differentiate emission sources. T
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::813075f637b674f727a5d6cbbfb6f809
https://doi.org/10.5194/amt-14-5447-2021
https://doi.org/10.5194/amt-14-5447-2021
Autor:
Edgar Flores, Joële Viallon, Faraz Idrees, Philippe Moussay, Robert Wielgosz, Manuel de Jesús Ávila Salas, Jorge Koelliker Delgado, Sang-Hyub Oh, Sangil Lee, Jinsang Jung, Mudalo Jozela, Napo Godwill Ntsasa, James Tshilongo, Tshepiso Mphamo, David R Worton, Paul Brewer, Michael Ward, Stefan Persijn, Iris de Krom, Adriaan van der Veen
Publikováno v:
Metrologia. 60:08006
Main text The CCQM-P172 comparison was designed to evaluate the level of compatibility of laboratories' spectroscopic methods for trace gas quantification using nitric acid (HNO3) as a model system. Because it is present in NO2 gas standards as an im
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c93a0204ee1217f0ab3e126c2d651386
https://doi.org/10.1088/0026-1394/60/1a/08006
https://doi.org/10.1088/0026-1394/60/1a/08006
Autor:
Adriaan M H van der Veen, Ewelina T Zalewska, Janneke I T van Wijk, Midori Kobayashi, Dai Akima, Shinji Uehara, Andreia L Fioravante, Cristiane R Augusto, Claudia C Ribeiro, Viviane Silva, Florbela Dias, Alda Botas, Carlos Costa, Joengsoon Lee, Jinbok Lee, Jeongsik Lim, Hyun-Kil Bae, Namgoo Kang, Christina E Cecelski, Kimberly J Harris, Walter R Miller Jr, Jennifer Carney, James Tshilongo, Napo G Ntsasa, Mudalo I Jozela, Nompumelelo Leshabane, Prelly Mohweledi Marebane, David R Worton, Eric B Mussell Webber, Sergi Moreno, Paul J Brewer, Leonid A Konopelko, Anna V Kolobova, V V Pankratov, Olga V Efremova
Publikováno v:
Metrologia. 60:08008
Main text CCQM-K3.2019 was a repeat of the key comparison CCQM-K3 on the composition of automotive exhaust gases. New in CCQM-K3.2019 was the addition of the amount fraction oxygen to the programme. The key comparison reference values were obtained i
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d3f6692d118d89ef464d20ae905d8606
https://doi.org/10.1088/0026-1394/60/1a/08008
https://doi.org/10.1088/0026-1394/60/1a/08008
Autor:
Chris, Rennick, Tim, Arnold, Emmal, Safi, Alice, Drinkwater, Caroline, Dylag, Eric Mussell, Webber, Ruth, Hill-Pearce, David R, Worton, Francesco, Bausi, Dave, Lowry
Publikováno v:
Analytical chemistry. 93(29)
We present a new instrument, "Boreas", a cryogen-free methane (CH
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=pmid________::063f8034e0a7473b79263cf10351fadd
https://pubmed.ncbi.nlm.nih.gov/34260200
https://pubmed.ncbi.nlm.nih.gov/34260200
Autor:
Alice Drinkwater, Tim Arnold, David R. Worton, Dave Lowry, Eric Mussell Webber, C. J. Rennick, Emmal Safi, Caroline Dylag, Francesco Bausi, Ruth E. Hill-Pearce
Publikováno v:
Rennick, C, Arnold, T, Safi, E, Drinkwater, A, Dylag, C, Webber, E M, Hill-pearce, R, Worton, D R, Bausi, F & Lowry, D 2021, ' Boreas: A Sample Preparation-Coupled Laser Spectrometer System for Simultaneous High-Precision In Situ Analysis of δ 13 C and δ2H from Ambient Air Methane ', Analytical Chemistry . https://doi.org/10.1021/acs.analchem.1c01103
We present a new instrument, ‘Boreas’, a cryogen-free methane (CH4) preconcentration system coupled to a dual laser spectrometer for making simultaneous measurements of δ13C(CH4) and δ2H(CH4) in ambient air. Excluding isotope ratio scale uncert
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::fa52381edab5ec3d89971229fce021f0
https://hdl.handle.net/20.500.11820/771bd71d-8a55-4af2-b424-5cf7d12aaced
https://hdl.handle.net/20.500.11820/771bd71d-8a55-4af2-b424-5cf7d12aaced
Autor:
Sivan Van Aswegen, Eric Mussell Webber, David R. Worton, Ruth E. Hill-Pearce, Paul J. Brewer, Michael K. M. Ward, Richard J. C. Brown
Publikováno v:
Analytical Chemistry. 91:5310-5315
We have shown that an exchange dilution preparation method reduces the impact of surface adsorption of the target component in high-pressure gas mixtures used for underpinning measurements of amount-of-substance fraction. Gas mixtures are diluted in
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::2e5dbe91f75f0c6df58c74bcef2c3da6
https://doi.org/10.1021/acs.analchem.9b00175
https://doi.org/10.1021/acs.analchem.9b00175
Autor:
Christoph Zellweger, Eric Mussell Webber, Kanokrat Charoenpornpukdee, Aimee Hillier, David R. Worton, Simon O'Doherty, Joachim Mohn, Ruth E. Hill-Pearce, Paul J. Brewer
The precise measurement of the amount fraction of atmospheric nitrous oxide (N2O) is required to understand global emission trends. Analysis of the site-specific stable isotopic composition of N2O provides a means to differentiate emission sources. T
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8963693dae9328bc7abcbc80f8a25247
https://doi.org/10.5194/amt-2021-45
https://doi.org/10.5194/amt-2021-45