Outdoor experiments on smell |
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| Authors: | J A Barynin M J Wilson |
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| Affiliation: | 1. Smell & Taste Clinic, Department of Otorhinolaryngology, TU Dresden, Dresden, Germany;2. Institute of Psychology, University of Wroclaw, Wroclaw, Poland;1. Centro de Química Estrutural, Instituto Superior Técnico, Universidade de Lisboa, Av. Rovisco Pais, 1049-001 Lisboa, Portugal;2. Department of Chemistry, Ananda Chandra College, Jalpaiguri, West Bengal, India;3. Departamento de Química Bioquímica e Farmácia, Universidade do Algarve, Campus de Gambelas, 8005-139 Faro, Portugal;4. Instituto de Bioengenharia e Biociências, Departamento de Engenharia e Ciências Nucleares, Instituto Superior Técnico, Universidade de Lisboa, Av. Rovisco Pais 1, 1049-001 Lisboa, Portugal;5. Instituto de Medicina Molecular, Faculdade de Medicina, Universidade de Lisboa, Av. Professor Egas Moniz, 1649-028 Lisboa, Portugal;6. Centro de Ciências e Tecnologias Nucleares, Instituto Superior Técnico, Universidade de Lisboa, Estrada Nacional 10, 2695-066 Bobadela LRS, Portugal;7. Grupo Xenomar, Centro de Investigacións Científicas Avanzadas (CICA), Departamento de Química, Facultade de Ciencias, Universidade da Coruña, Campus de A Coruña, 15071 A Coruña, Spain |
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| Abstract: | Fast-response flame-photometric apparatus was built for recording the concentration of sulphur compounds in air. This apparatus was used in making a breath-by-breath record of concentration, and of human response to smell, at a point downwind from a continuous release of methyl thiol (methyl mercaptan). The concentration fluctuated rapidly, and human response followed it quite closely, though response could be quickly reduced by adaptation. Rapid rises in concentration were especially noticeable.Rapid fluctuations were found also in records of concentration made up to 5 km from an isolated power station, and in records made on a London roof. These fluctuations might lead to error in recording air pollutant concentration. |
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