| Ultra-sensitive and selective p-xylene gas sensor at low operating temperature utilizing Zn doped CuO nanoplatelets: Insignificant vestiges of oxygen vacancies O Mnethu, SS Nkosi, I Kortidis, DE Motaung, RE Kroon, HC Swart, ... Journal of Colloid and Interface Science 576, 364-375, 2020 | 60 | 2020 |
| CCQM-K120 (Carbon dioxide at background and urban level) E Flores, J Viallon, T Choteau, P Moussay, F Idrees, RI Wielgosz, J Lee, ... Metrologia 56 (1A), 08001, 2019 | 37 | 2019 |
| Selective detection of propanol vapour at low operating temperature utilizing ZnO nanostructures S Lushozi, N Leshabane, SS Nkosi, OM Ndwandwe, J Tshilongo, ... Ceramics International 45 (13), 16417-16423, 2019 | 20 | 2019 |
| Final report on international comparison CCQM-K74: Nitrogen dioxide, 10 µmol/mol E Flores, F Idrees, P Moussay, J Viallon, R Wielgosz, T Fernández, ... Metrologia 49 (1A), 08005-08005, 2012 | 16* | 2012 |
| International comparison CCQM-K111–propane in nitrogen AMH van der Veen, JW van der Hout, PR Ziel, RJ Oudwater, ... Metrologia 54 (1A), 08009, 2017 | 12 | 2017 |
| Towards the simultaneous detection of the low nmol/mol range of CO, CH4 and CO2 in nitrogen using GC-FID MJ van Rensburg, A Botha, NG Ntsasa, J Tshilongo, N Leshabane Accreditation and quality assurance 14 (12), 665-670, 2009 | 10 | 2009 |
| CCQM-K137, nitrogen monoxide (NO) in nitrogen J Viallon, E Flores, F Idrees, P Moussay, RI Wielgosz, SH Oh, S Lee, ... Metrologia 57 (1A), 08001, 2020 | 9 | 2020 |
| Final report on CCQM-K93: Preparative comparison of ethanol in nitrogen AS Brown, MJT Milton, C Brookes, GM Vargha, ML Downey, S Uehara, ... Metrologia 50 (1A), 08025-08025, 2013 | 8 | 2013 |
| Seasonal effluxes of greenhouse gases under different tillage and N fertilizer management in a dryland maize mono-crop BS Vilakazi, R Zengeni, P Mafongoya, N Ntsasa, J Tshilongo Journal of Soil Science and Plant Nutrition 21 (4), 2873-2883, 2021 | 7 | 2021 |
| International comparison CCQM-K76: sulfur dioxide in nitrogen FR Guenther, ME Kelley, GD Mitchell, MJ Avila Salas, JK Delgado, ... Metrologia 48 (1A), 08015-08015, 2011 | 6 | 2011 |
| International comparison CCQM-K10.2018: BTEX in nitrogen at 5 nmol mol−1 CE Cecelski, GC Rhoderick, AM Possolo, J Carney, M Vokoun, ... Metrologia 59 (1A), 08003, 2022 | 5 | 2022 |
| Final report on Pilot Study CCQM-P110: Study on the accuracy and uncertainty of FT-IR methods calibrated with synthetic spectra for NO2 concentration … E Flores, J Viallon, R Wielgosz, T Fernández, A Rojo, S Ramírez, N Aoki, ... Metrologia 50 (1A), 08011-08011, 2013 | 5 | 2013 |
| International comparison CCQM-K51: Carbon monoxide (CO) in nitrogen (5 µmol mol− 1) A Botha, MJ Rensburg, J Tshilongo, PK Gupta, P Johri Metrologia 47 (Supp-1), 1-97, 2010 | 5 | 2010 |
| FTIR and GC as complementary tools for analysis of corrosive gases J Tshilongo, A Botha, M Janse van Rensburg, N Leshabane, NG Ntsasa Accreditation and quality assurance 14 (12), 655-663, 2009 | 5 | 2009 |
| Final report of the pilot study CCQM-P110-B1: A comparison of nitrogen dioxide (NO2) in nitrogen standards at 10 µmol/mol by Fourier transform infrared … E Flores, F Idrees, P Moussay, J Viallon, R Wielgosz, T Fernández, A Rojo, ... Metrologia 49 (1A), 08006-08006, 2012 | 4 | 2012 |
| Development of benzene, toluene, ethyl benzene, m-xylene, p-xylene and o-xylene (BTEX) gas reference standards for air pollution monitoring in South Africa N Ntsasa, J Tshilongo, N Leshabane, M Jozela, G Lekoto, P Forbes Accreditation and Quality Assurance 28 (6), 271-278, 2023 | 3 | 2023 |
| Quantitation of hydrogen sulfide reference gas mixtures to provide traceability for indoor air quality monitoring N Leshabane, J Tshilongo, SJ Moja, NG Ntsasa, G Mphaphuli, MI Jozela Accreditation and Quality Assurance 26, 69-75, 2021 | 3 | 2021 |
| Calibration of evidential breath analyzer for South African law enforcement G Mphaphuli, M Jozela, NG Ntsasa, T Mphamo, P Seemane Pretoria: National Metrology Institute of South Africa, 2017 | 3 | 2017 |
| International comparison CCQM-K66: Impurity analysis of methane K Kato, T Watanabe, HJ Heine, C Boissière, G Schulz, JC Woo, JS Kim, ... Metrologia 49 (1A), 08001-08001, 2012 | 3 | 2012 |
| Methodological approaches for resource recovery from end-of-life panels of different generations of photovoltaic technologies–A review N Mukwevho, A Mkhohlakali, N Ntsasa, J Sehata, L Chimuka, J Tshilongo, ... Renewable and Sustainable Energy Reviews 207, 114980, 2025 | 2 | 2025 |
