Journal of chemical health & safety最新文献

{"title":"Reflections in Chemical Safety and Research: Making Technical Research Relevant for Students and Bangladesh","authors":"Sultana Razia Syeda*, ","doi":"10.1021/acs.chas.4c0007110.1021/acs.chas.4c00071","DOIUrl":"https://doi.org/10.1021/acs.chas.4c00071https://doi.org/10.1021/acs.chas.4c00071","url":null,"abstract":"","PeriodicalId":73648,"journal":{"name":"Journal of chemical health & safety","volume":"31 5","pages":"334–335 334–335"},"PeriodicalIF":0.0,"publicationDate":"2024-09-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142276147","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Thermal Research on Toxicity of Smoke from Mine Cable Fires","authors":"Weifeng Wang,&nbsp;Zhuoyang Li*,&nbsp;Yuhang Huo,&nbsp;Jinzhong Wu,&nbsp;Hongyin Yi,&nbsp;Yuliang Guo,&nbsp;Xiaopeng Shang and Chi-Min Shu,&nbsp;","doi":"10.1021/acs.chas.4c0006010.1021/acs.chas.4c00060","DOIUrl":"https://doi.org/10.1021/acs.chas.4c00060https://doi.org/10.1021/acs.chas.4c00060","url":null,"abstract":"<p >In recent years, with continual improvement in the level of mining intelligence, the application of mining cables in mines has become increasingly widespread. However, the fires caused by mining cables are gradually increasing, posing a serious threat to miners’ safety. This paper selected two commonly used cable materials in mines, mine-used portable shielded rubber cable and mine-used cross-linked polyethylene insulated polyvinyl chloride sheathed power cable, and explored the smoke toxicity of the two cables using the NBS smoke density test box and Fourier transform infrared smoke density analyzer. Qualitative and quantitative analyses of the changes in combustion products were conducted, and the toxicity of combustion products was evaluated using smoke toxicity index and smoke toxicity evaluation model. The research results showed that both types of mining cables generated immense amounts of CO₂, CO, and HCl and trace amounts of SO₂ and NO₂ during the holistic combustion process. The toxicity index values of the two mining cables were 1.021 (mine-used portable shielded rubber cable) and 0.500 (mine-used cross-linked polyethylene insulated polyvinyl chloride sheathed power cable), respectively, showing opposite smoke toxicity performances before and after combustion. The toxicity index of HCl gas for the two mining cables was 12.04 times the reference concentration (mine-used portable shielded rubber cable) and 5.52 times (mine-used cross-linked polyethylene insulated polyvinyl chloride sheathed power cable), which was the main cause of casualties. In addition, attention should be paid to CO, HCN, CO₂, and NO_<i>x</i> as injurious gases. The research results of this paper provided a theoretical basis for the research on the toxicity of underground cable fire in coal mines and had important guiding significance for the early monitoring and warning of mine cable fire, underground personnel escape, and evacuation route planning.</p>","PeriodicalId":73648,"journal":{"name":"Journal of chemical health & safety","volume":"31 6","pages":"548–555 548–555"},"PeriodicalIF":0.0,"publicationDate":"2024-09-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142694639","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Analysis of the “Star-Shaped” Safety Education and Training Mechanism in the Chemical Laboratory","authors":"Jixiang Huang*,&nbsp;","doi":"10.1021/acs.chas.4c0003110.1021/acs.chas.4c00031","DOIUrl":"https://doi.org/10.1021/acs.chas.4c00031https://doi.org/10.1021/acs.chas.4c00031","url":null,"abstract":"<p >This study provides a detailed account of the “star-shaped” safety education and training mechanism employed in the chemical laboratory within the mechanical discipline. Furthermore, it serves as a valuable reference for other chemical laboratories with similar aims, providing a model for the improvement of safety training practices. Personnel safety in chemical laboratories remains a paramount concern, yet the number of annual accidents continues to rise at an alarming rate. A significant contributing factor to these incidents is the unsafe behavior of individuals, which highlights the urgency of mitigating such conduct to enhance safety management standards in these laboratories. Education represents a pivotal instrument in this pursuit. The Institute of Manufacturing Engineering at Huaqiao University has introduced an innovative “star-shaped” safety education framework, meticulously designed to cater to the specific needs of chemical laboratories. This mechanism draws upon the distinctive features of the university’s own identity and the fundamental tenet of safety education, namely, “universal participation, comprehensive coverage, and continuous monitoring.” It encompasses a wide range of safety training aspects, including safety courses for new laboratory personnel, targeted training for research groups and experimental branches, and specialized training in using instrumentation and equipment. The framework integrates theoretical and practical courses, as well as regular and irregular training sessions, ensuring that no individual is overlooked, thus achieving the goal of laboratory safety training and improving the overall level of safety management. Furthermore, assessment of this safety training is conducted through a comprehensive process encompassing audits, laboratory safety inspections, and rigorous monitoring of accidents and changes in safety hazards. This innovative framework represents a significant advancement in promoting safety in chemical laboratories and fostering a culture of safety awareness and compliance among lab personnel.</p>","PeriodicalId":73648,"journal":{"name":"Journal of chemical health & safety","volume":"31 6","pages":"431–437 431–437"},"PeriodicalIF":0.0,"publicationDate":"2024-09-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142694638","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Developing an In-House Application for Hazardous Chemicals Management","authors":"Mircea-Alexandru Comănescu*,&nbsp;","doi":"10.1021/acs.chas.4c0006210.1021/acs.chas.4c00062","DOIUrl":"https://doi.org/10.1021/acs.chas.4c00062https://doi.org/10.1021/acs.chas.4c00062","url":null,"abstract":"<p >In Europe, unaligned regulatory requirements between the EU and member states often require that researchers and educators undertake additional labor intensive activities to ensure that the institutions where they work do not fall short of meeting both requirements. Because manually introducing information piecemeal from thousands of Safety Data Sheets (SDSs) into other required lists is labor intensive, this project provides a stand-alone application that can populate the required information within minutes and be easily used by any employee. Though the application is currently limited to the Romanian language and there are certain improvements that can be addressed within the script, as it stands, the application can fulfill its purpose.</p>","PeriodicalId":73648,"journal":{"name":"Journal of chemical health & safety","volume":"31 6","pages":"468–472 468–472"},"PeriodicalIF":0.0,"publicationDate":"2024-09-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142694636","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Calix[4]resorcinarenes as Stable, Metal-Free Unexplored and Unfathomed Material for Iodine Capture: Experimental and Theoretical Insights","authors":"Gopika Jagannivasan,&nbsp;Jayasree G Elambalassery and Suja Haridas*,&nbsp;","doi":"10.1021/acs.chas.4c0003710.1021/acs.chas.4c00037","DOIUrl":"https://doi.org/10.1021/acs.chas.4c00037https://doi.org/10.1021/acs.chas.4c00037","url":null,"abstract":"<p >While nuclear power offers a viable solution to the ever-growing energy demands, the piling up of nuclear waste remains a looming threat, endangering life on Earth. Safe disposal of radionuclides, especially highly volatile ones such as iodine, is a grave concern to be addressed for operational safety. Even though porous adsorbents for iodine capture have been widely investigated, less focus has been directed toward nonporous materials. Herein, we describe the synthesis of nonporous, macrocyclic Calix[4]resorcinarenes (C4Rs) via a near solventless green protocol mediated by Keggin-type phosphovanadotungstic acid and avoiding the use of mineral acids. The applicability of the synthesized C4Rs for iodine absorption at elevated temperatures has been explored. Facile synthesis strategy and metal-free nature coupled with moisture and temperature stability endorse our interest in C4Rs as highly attractive substrates for iodine sorption, with the substituent functionalities playing an important role in adsorption efficiency. We hereby report a novel C4R, DEAS, with an exceptional iodine sorption capability. The retention of iodine in the macrocyclic framework, mainly in the form of polyiodides, could be ascertained through a detailed characterization. The adsorption was found to follow pseudo-second-order kinetics. The adsorption of iodine from an aqueous solution was also subjected to investigation. Furthermore, theoretical investigation into the guest–host interactions between C4Rs and I₂ has been attempted for better insights.</p>","PeriodicalId":73648,"journal":{"name":"Journal of chemical health & safety","volume":"31 5","pages":"414–422 414–422"},"PeriodicalIF":0.0,"publicationDate":"2024-09-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142276371","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Risk Assessment of Ammonia Fueled Ships: Consequences on Human Health of Ammonia Releases from Damaged Fuel Storage Tanks","authors":"Benedetta Masia,&nbsp;Ming Yang* and Valerio Cozzani,&nbsp;","doi":"10.1021/acs.chas.4c0004410.1021/acs.chas.4c00044","DOIUrl":"https://doi.org/10.1021/acs.chas.4c00044https://doi.org/10.1021/acs.chas.4c00044","url":null,"abstract":"<p >Ammonia is a promising fuel for decarbonizing the shipping industry, but its safety compared to traditional maritime fossil fuels remains questionable. As more projects explore ammonia-fueled vessels, safety concerns, particularly the acute toxicity and risks of ammonia release, are paramount. This research focused on the effects of accidental ammonia releases during ship-to-ship collisions, affecting ammonia tank integrity. We examined various release scenarios, considering factors like tank types and locations, breach sizes and positions, weather conditions, and dispersion patterns, using PHAST software for modeling. Results indicated that semipressurized tanks pose greater health risks on human health than fully refrigerated ones. Underwater releases are less hazardous, as a significant amount of ammonia dissolves before surfacing. Mitigation efforts, such as water curtains and containment basins, were evaluated for their effectiveness in minimizing the impact of ammonia releases. These measures significantly reduce risks to nearby populations but are less effective for crew safety onboard. This underscores the challenge of ensuring onboard safety in ammonia-fueled vessels, highlighting the need for innovative and effective safety design.</p>","PeriodicalId":73648,"journal":{"name":"Journal of chemical health & safety","volume":"31 6","pages":"503–520 503–520"},"PeriodicalIF":0.0,"publicationDate":"2024-09-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://pubs.acs.org/doi/epdf/10.1021/acs.chas.4c00044","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142694637","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Preparation of Fe-doped In2S3/In2O3 Composite for Photocatalytic Degradation of Tetracycline","authors":"Tongming Su,&nbsp;Zichun Chen,&nbsp;Xuan Luo,&nbsp;Xinling Xie,&nbsp;Zuzeng Qin* and Hongbing Ji,&nbsp;","doi":"10.1021/acs.chas.4c0004310.1021/acs.chas.4c00043","DOIUrl":"https://doi.org/10.1021/acs.chas.4c00043https://doi.org/10.1021/acs.chas.4c00043","url":null,"abstract":"<p >Tetracycline (TC) is not only a threat to aquatic ecosystems and the health of organisms but also a crucial contributor to the drug resistance of bacteria. The photodegradation of TC is an effective strategy for overcoming antibiotic pollution in the water environment. Fe–In₂O₃/In₂S₃ composites were successfully synthesized via a hydrothermal method for the photocatalytic degradation of TC under visible light illumination. When the Fe doping content was 2%, the degradation rate of TC by the 2% Fe–In₂O₃/In₂S₃ composite under visible light irradiation reached 92.4%, which was higher than that of 41.5% for In₂O₃/In₂S₃, 86.7% for 1% Fe–In₂O₃/In₂S₃ and 79% for 3% Fe–In₂O₃/In₂S₃. The photodegradation of tetracycline on Fe–In₂O₃/In₂S₃ was a first-order reaction under visible light. The rate constant of photocatalytic tetracycline degradation was 5.12 × 10^–3 min^–1, which was 4.1 times greater than the rate constant of In₂O₃/In₂S₃. The characterization results revealed the excellent separation efficiency of the 2% Fe–In₂O₃/In₂S₃ composites for photogenerated electron–hole pairs, which increased the photodegradation efficiency. Furthermore, under the most suitable reaction conditions, the photodegradation rate of tetracycline was 92.4%. A mechanistic study revealed that the doping of Fe ions effectively improved the transfer efficiency of photoproduced charges and inhibited the combination of photoproduced electron–hole pairs, thereby improving the photocatalytic performance of the material and achieving efficient oxidative degradation of tetracycline.</p>","PeriodicalId":73648,"journal":{"name":"Journal of chemical health & safety","volume":"31 6","pages":"490–502 490–502"},"PeriodicalIF":0.0,"publicationDate":"2024-08-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142694443","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"The Gist of the List","authors":"Lauren Goulding*,&nbsp;","doi":"10.1021/acs.chas.4c0008010.1021/acs.chas.4c00080","DOIUrl":"https://doi.org/10.1021/acs.chas.4c00080https://doi.org/10.1021/acs.chas.4c00080","url":null,"abstract":"","PeriodicalId":73648,"journal":{"name":"Journal of chemical health & safety","volume":"31 5","pages":"336–337 336–337"},"PeriodicalIF":0.0,"publicationDate":"2024-08-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142276233","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Ionizing Radiation Exposure at Interventional Cardiology Practices in Bangladesh","authors":"Shahadat Hossain,&nbsp;M. M. Mahfuz Siraz,&nbsp;Md. Zakir Hossain and Selina Yeasmin*,&nbsp;","doi":"10.1021/acs.chas.3c0011610.1021/acs.chas.3c00116","DOIUrl":"https://doi.org/10.1021/acs.chas.3c00116https://doi.org/10.1021/acs.chas.3c00116","url":null,"abstract":"<p >With the use of traditional thermoluminescence dosimeters (TLDs), this study was carried out to determine the effective dose and its trend in order to ensure radiation safety at interventional cardiology practices in Bangladeshi hospitals. Between 2015 and 2019, 1015 radiation workers in Bangladesh who were under observation for their personal dose equivalent were reported. There were 417 physicians among them, while the remaining personnel included radiological technologists, physicists, and other medical staff members. To measure the exposure dose, a conventional TLD-100 (LiF:Mg, Ti) was used. A Harshaw TLD reader (Model 4500) was used to read the TLDs on a quarterly basis. All of the monitored workers, who made up around 19.11% of the total, had ionizing radiation exposure below the limit established by international organizations. The Mann–Kendall trend test and Sen’s slope estimator were also applied to the annual collective effective doses, and it showed a decreasing trend over the time frame. The current state of occupational exposure and its trends show that most workplaces have effective radiation protective measures in place.</p>","PeriodicalId":73648,"journal":{"name":"Journal of chemical health & safety","volume":"31 6","pages":"482–489 482–489"},"PeriodicalIF":0.0,"publicationDate":"2024-08-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142694441","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Applying Hazardous Area Classification in Laboratories","authors":"Jeremy Lebowitz,&nbsp;","doi":"10.1021/acs.chas.4c0004110.1021/acs.chas.4c00041","DOIUrl":"https://doi.org/10.1021/acs.chas.4c00041https://doi.org/10.1021/acs.chas.4c00041","url":null,"abstract":"<p >Laboratories contain many common sources of flammable gas and vapor which can pose a fire or explosion hazard in the presence of a competent ignition source. While all facilities handling hazardous materials should follow the hierarchy of process safety controls, the nature of research laboratories is often such that flammable vapors or gases are unavoidable. Accordingly, the use of hazardous area electrical classification is a key component of an overall ignition source control strategy. This article outlines major concepts associated with area classification for vapors and gases in the context of the hierarchy of controls, and offers practical suggestions for how to limit risk in research laboratories.</p>","PeriodicalId":73648,"journal":{"name":"Journal of chemical health & safety","volume":"31 5","pages":"362–369 362–369"},"PeriodicalIF":0.0,"publicationDate":"2024-08-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142276283","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}