Automation and efficiency improvement of the pretreatment process using nitric acid in the decomposition of tobacco leaves.
Decomposition of tobacco leaves using nitric acid! A study was conducted on sample pretreatment and the automation of analysis.
The acid decomposition of tobacco leaves involves complicated reagent addition operations, making it very labor-intensive. Additionally, there are concerns about human exposure to acidic reagents such as nitric acid, which poses risks during analysis. Therefore, we automated the sample pretreatment for ICP and ICP/MS using the automatic pretreatment device DEENA2 for acid addition and other processes. 【Summary (Partial)】 ■ Established a method for fully automated analysis, from automatic addition of nitric acid to stirring and up to dilution. ■ Achieved nearly zero exposure of nitric acid to humans. ■ Completely automated pretreatment tasks that previously required human intervention. ■ Conducted decomposition within a clean bench by using a fume hood. ■ Enabled analysis with ultra-low blanks by using dedicated vials. *For more details, please download the PDF or feel free to contact us.
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【Other Overview】 ■ By automating tasks that previously required human intervention, significant improvements in work efficiency have been achieved. ■ Automation has led to a substantial reduction in human errors. *For more details, please download the PDF or feel free to contact us.*
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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.