Study on the decomposition using nitric acid-hydrochloric acid (aqua regia) in the analysis of impurities in iron and steel.
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This technical document discusses the automatic pretreatment using nitric acid-hydrochloric acid (water) for the analysis of impurities contained in iron and steel, utilizing the automatic pretreatment device "DEENA" for reagent addition and acid decomposition. Steel becomes more rigid when it contains boron and other impurities; however, if there are too many impurities, it becomes brittle. Therefore, managing the impurity content is extremely important in the production of high-quality steel. The analysis method commonly used is nitric acid-hydrochloric acid (aqua regia) decomposition, but it is labor-intensive and time-consuming, and it generates a significant amount of harmful acid decomposition gases, making it difficult to safely and quickly process multiple samples. Thus, we examined the automatic pretreatment using nitric acid-hydrochloric acid (water) for the analysis of impurities in iron and steel, employing "DEENA," which can perform tasks such as acid addition, stirring, and dilution under PC control in a fully automated manner. [Contents] ■ Purpose ■ Overview ■ Equipment/Reagents Used ■ Analysis Flow, etc. *For more details, please refer to the PDF document or feel free to contact us.
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basic information
【Basic Performance of the Device】 ＜DEENA60 Main Unit＞ ■ Automatic addition of reagents (up to 8 types of reagents can be installed) ■ Stirring by shaker ■ Heating by hot plate ■ Cooling ■ Automatic addition of internal standard solutions and standards ■ Meniscus adjustment using ultrasonic height sensor *For more details, please refer to the PDF document or feel free to contact us.
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For more details, please refer to the PDF document or feel free to contact us.
Company information
The auto-analyzer developed by the former Technicon Corporation, a global pioneer in continuous flow analysis devices, is still widely used in analytical laboratories around the world today. In Japan, it continues to operate as an essential device in national and public research institutes, testing laboratories, and corporate factories and testing facilities. Our company, BL Tech Co., Ltd., has inherited approximately 40 years of auto-analyzer business in Japan and is committed to developing and manufacturing optimal continuous flow analysis devices to meet the current hot demand.