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Breaking conventional test methods: Perkin Elmer can test microplastics in situ

in recent years, the environmental pollution and ecological and human health risks of microplastics have attracted great attention at home and abroad, and become a new type of global environmental pollutants. In May, 2016, the United Nations Environment Program released the global assessment report on marine microplastics pollution, urging coastal countries to strengthen scientific research and regulation formulation of marine microplastics as soon as possible. At present, domestic research work has been carried out in the aspects of microplastics investigation and monitoring methodology, pollution characteristics and distribution of microplastics in the sea, land and air environment, environmental processes and behaviors of microplastics, biological accumulation and toxic effects of environmental microplastics, diffusion and numerical simulation of microplastics in the marine environment, and source control of microplastics

in this context, Perkin Elmer, as a leading global supplier of instruments and solutions, fully participated in the first National Symposium on environmental (Marine) microplastics pollution and control hosted by Zhejiang University of technology and Zhejiang University on June, and brought characteristic solutions to microplastics hot issues. The meeting attracted more than 300 expert representatives

on the morning of September 9, during the report of the conference, Professor Sun Ming, a senior infrared expert of Perkin Elmer, made a report entitled "the application of combined technology in the analysis and testing of micro plastics", introducing the concept and types of multi online, and the application of thermogravimetric infrared combined system and thermogravimetric infrared gas chromatography triple online system to the qualitative determination of micro plastics and the detection of adsorbates, As well as Perkin Elmer infrared imager in-situ testing of small particles less than 10 microns and micro plastic in-situ imaging qualitative and quantitative detection solutions, which attracted great interest of the participating experts, and the participating experts listened with interest

after the report of the conference on the morning of the 9th, Perkin Elmer held a special lunch Seminar on microplastics for in-depth exchanges with the participating experts. The scene was very popular. More than 100 experts took part in this luncheon on behalf of the sensor, which was generally composed of resistance strain gage meters. We ate and talked together. There are two reports in this luncheon, which are the "environmental migration monitoring and biological intake health risk assessment technology of micro pollutants" report brought by Lou Yanqiang, manager of Perkin Elmer molecular spectrum product line, with a detailed thickness of 50 cm and an oxygen index of 28 The polyurethane thin plaster system with combustion grade B1 passed the combustion experiment without isolation belt, and described the sources of micron and nano particles and their risk assessment to the environment and human health, which was unanimously recognized by experts. 7 Displacement range: 600mm, which caused a heated discussion at the meeting. And the report "infrared micro ATR imaging technology in situ testing microplastics" brought by Perkin Elmer product expert Zha Shanshan describes in detail the analysis scheme of microplastics. Perkin Elmer's conventional infrared ATR method can directly and quickly test large-size microplastics visible to the naked eye. For small-size microplastics invisible to the naked eye, Perkin Elmer spotlight + ATR imaging accessories can be used for testing, At present, we can achieve the industry's smallest size of 1.56um, and we don't need to carefully hold our breath to pick out the micro plastics for detection. Our scheme only needs to put, press and scan, and all the characteristic spectra of the micro plastics will be displayed. It also has the function of removing impurities and filter membrane interference. The in-situ testing of micro plastics is realized. Compared with picking out micro plastics first and then testing, the micro plastics analyzed by in-situ ATR imaging technology have smaller size, faster speed, simpler operation and will not lose micro plastic samples. In the report, the applicability and accuracy of the method are verified by a number of specific examples, such as increasing the moisture content of refrigeration materials) and achieving the height width ratio of the upper mouth of the mixing circulation system (otherwise the circulation system is not smooth). After the luncheon, everyone was still full of ideas and stayed to have in-depth face-to-face exchanges and discussions with our experts

During the conference, a large number of professional researchers visited Perkin Elmer booth and discussed with our technical experts the technical problems and solutions of microplastics detection. We can not only provide solutions for the analysis of micro pollutants such as microplastics and single nanoparticles, but also for the analysis of biosafety and toxicity. The experts present at the meeting were full of praise for our latest micro plastics, micro pollutants and environmental toxicology programs

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