Examination of pretreatment methods using sulfuric acid and nitric acid regarding the ministerial ordinance on the standards for components of milk and dairy products, as well as the standard criteria for food and additives.
The pre-treatment methods for non-mineral water soft drinks specified in the "Ministerial Ordinance on Standards for Components of Milk and Dairy Products (Ministry of Health and Welfare Ordinance No. 52 of 1951)" and the "Standards for Food, Additives, etc. (Ministry of Health and Welfare Ordinance No. 370 of 1959)" involve complicated reagent addition operations in acid decomposition, making it very labor-intensive. Additionally, the use of acid reagents such as sulfuric acid and nitric acid poses exposure risks to humans, making the analysis hazardous. Therefore, we have automated the sample pre-treatment for ICP-OES and ICP/MS using the automatic pre-treatment device DEENA2, which includes: ■ Acid addition heating pre-treatment ■ Reagent addition ■ Cooling ■ Dilution ■ Prevention of human exposure to acids *For more details, please refer to the PDF document or feel free to contact us.
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【Summary】 ■ Consideration of pretreatment for non-mineral water soft drinks was conducted. ■ Decomposition was performed using ammonium oxalate, sulfuric acid, and nitric acid with DEENA2. ■ Automation considerations were conducted. * 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.
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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 focusing on the development and manufacturing of optimal continuous flow analysis devices to meet the current hot demand.