Membrane-Based Portable Colorimetric Gaseous Chlorine Sensing Probe
Highly toxic chlorine gas imposes serious health risks in the workplace. The ability to on-site, real-time monitoring of instantaneous and time-weighted average (TWA) chlorine gas concentrations in a simple, sensitive, accurate, and reliable manner would be highly beneficial to improve workplace hea...
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| Veröffentlicht in: | Analytical chemistry (Washington) 2021-01, Vol.93 (2), p.769-776 |
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| creator | Zhou, Ming Li, Tianling Xing, Chao Liu, Yang Zhao, Huijun |
| description | Highly toxic chlorine gas imposes serious health risks in the workplace. The ability to on-site, real-time monitoring of instantaneous and time-weighted average (TWA) chlorine gas concentrations in a simple, sensitive, accurate, and reliable manner would be highly beneficial to improve workplace health and safety. Here, we propose and experimentally validate a gaseous chlorine detection principle based on a N,N-diethyl-p-phenylenediamine sulfate salt/Cl2 colorimetric reaction-controlled membrane process to regulate the gaseous chlorine transport across a gas-permeable membrane that enables the establishment of a time-resolved analytical relationship to quantify chlorine concentration by multidata points with dramatically enhanced accuracy and reliability. A gas-permeable membrane-based portable colorimetric gaseous chlorine sensing probe (MCSP) was designed and fabricated. The MCSP embedded the proposed analytical principle that is capable of real-time continuous monitoring of the instantaneous and TWA chlorine gas concentrations within an analytical range of 0.009–2.058 mg L–1 without the need for on-going calibration, which could be a useful analytical tool for managing the toxic chlorine gas-imposed health risks in workplaces. |
| doi_str_mv | 10.1021/acs.analchem.0c02997 |
| format | Article |
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The ability to on-site, real-time monitoring of instantaneous and time-weighted average (TWA) chlorine gas concentrations in a simple, sensitive, accurate, and reliable manner would be highly beneficial to improve workplace health and safety. Here, we propose and experimentally validate a gaseous chlorine detection principle based on a N,N-diethyl-p-phenylenediamine sulfate salt/Cl2 colorimetric reaction-controlled membrane process to regulate the gaseous chlorine transport across a gas-permeable membrane that enables the establishment of a time-resolved analytical relationship to quantify chlorine concentration by multidata points with dramatically enhanced accuracy and reliability. A gas-permeable membrane-based portable colorimetric gaseous chlorine sensing probe (MCSP) was designed and fabricated. The MCSP embedded the proposed analytical principle that is capable of real-time continuous monitoring of the instantaneous and TWA chlorine gas concentrations within an analytical range of 0.009–2.058 mg L–1 without the need for on-going calibration, which could be a useful analytical tool for managing the toxic chlorine gas-imposed health risks in workplaces.</description><identifier>ISSN: 0003-2700</identifier><identifier>EISSN: 1520-6882</identifier><identifier>DOI: 10.1021/acs.analchem.0c02997</identifier><identifier>PMID: 33320532</identifier><language>eng</language><publisher>United States: American Chemical Society</publisher><subject>Analytical chemistry ; Calibration ; Chemistry ; Chlorine ; Chlorine - chemistry ; Colorimetry ; Colorimetry - instrumentation ; Colorimetry - methods ; Environmental Monitoring ; Health risk assessment ; Health risks ; Humans ; Mathematical analysis ; Membrane processes ; Membranes ; Membranes, Artificial ; Occupational Exposure ; Occupational health ; Occupational safety ; Permeability ; Phenylenediamine ; Real time ; Reproducibility of Results ; Workplaces</subject><ispartof>Analytical chemistry (Washington), 2021-01, Vol.93 (2), p.769-776</ispartof><rights>2020 American Chemical Society</rights><rights>Copyright American Chemical Society Jan 19, 2021</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-a376t-5d8571b4a01064bc4908108b22a0881b6335c66b9a55225ec14403575d8d99a53</citedby><cites>FETCH-LOGICAL-a376t-5d8571b4a01064bc4908108b22a0881b6335c66b9a55225ec14403575d8d99a53</cites><orcidid>0000-0003-4813-1424 ; 0000-0002-3028-0459 ; 0000-0003-2085-5148 ; 0000-0002-8185-9698</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://pubs.acs.org/doi/pdf/10.1021/acs.analchem.0c02997$$EPDF$$P50$$Gacs$$H</linktopdf><linktohtml>$$Uhttps://pubs.acs.org/doi/10.1021/acs.analchem.0c02997$$EHTML$$P50$$Gacs$$H</linktohtml><link.rule.ids>314,780,784,2765,27076,27924,27925,56738,56788</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/33320532$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Zhou, Ming</creatorcontrib><creatorcontrib>Li, Tianling</creatorcontrib><creatorcontrib>Xing, Chao</creatorcontrib><creatorcontrib>Liu, Yang</creatorcontrib><creatorcontrib>Zhao, Huijun</creatorcontrib><title>Membrane-Based Portable Colorimetric Gaseous Chlorine Sensing Probe</title><title>Analytical chemistry (Washington)</title><addtitle>Anal. Chem</addtitle><description>Highly toxic chlorine gas imposes serious health risks in the workplace. The ability to on-site, real-time monitoring of instantaneous and time-weighted average (TWA) chlorine gas concentrations in a simple, sensitive, accurate, and reliable manner would be highly beneficial to improve workplace health and safety. Here, we propose and experimentally validate a gaseous chlorine detection principle based on a N,N-diethyl-p-phenylenediamine sulfate salt/Cl2 colorimetric reaction-controlled membrane process to regulate the gaseous chlorine transport across a gas-permeable membrane that enables the establishment of a time-resolved analytical relationship to quantify chlorine concentration by multidata points with dramatically enhanced accuracy and reliability. A gas-permeable membrane-based portable colorimetric gaseous chlorine sensing probe (MCSP) was designed and fabricated. 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A gas-permeable membrane-based portable colorimetric gaseous chlorine sensing probe (MCSP) was designed and fabricated. The MCSP embedded the proposed analytical principle that is capable of real-time continuous monitoring of the instantaneous and TWA chlorine gas concentrations within an analytical range of 0.009–2.058 mg L–1 without the need for on-going calibration, which could be a useful analytical tool for managing the toxic chlorine gas-imposed health risks in workplaces.</abstract><cop>United States</cop><pub>American Chemical Society</pub><pmid>33320532</pmid><doi>10.1021/acs.analchem.0c02997</doi><tpages>8</tpages><orcidid>https://orcid.org/0000-0003-4813-1424</orcidid><orcidid>https://orcid.org/0000-0002-3028-0459</orcidid><orcidid>https://orcid.org/0000-0003-2085-5148</orcidid><orcidid>https://orcid.org/0000-0002-8185-9698</orcidid></addata></record> |
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| subjects | Analytical chemistry Calibration Chemistry Chlorine Chlorine - chemistry Colorimetry Colorimetry - instrumentation Colorimetry - methods Environmental Monitoring Health risk assessment Health risks Humans Mathematical analysis Membrane processes Membranes Membranes, Artificial Occupational Exposure Occupational health Occupational safety Permeability Phenylenediamine Real time Reproducibility of Results Workplaces |
| title | Membrane-Based Portable Colorimetric Gaseous Chlorine Sensing Probe |
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