The column "TSKgel SuperIC-Anion HS" for high-performance IC enables the analysis of nitrite nitrogen in high concentrations of chloride ions.
Using the ion chromatograph "IC-8100 series" and the high-performance IC column "TSKgel SuperIC-AnionHS," it is possible to measure 4 ppb of nitrite nitrogen in a sample containing 50 ppm of chloride ions with a system that uses only a conductivity detector. When using a UV absorbance detector, it is possible to measure trace amounts of nitrate nitrogen in samples containing higher concentrations of chloride ions. For more details, please refer to the PDF document 【Technical Data】Impact of High Concentration Chloride Ions on Nitrite Nitrogen.
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The BioScience Division is engaged in business in the "Measurement Field," which includes liquid chromatography, columns, and separation agents, and the "Diagnostics Field," which focuses on immunodiagnostics, glycohemoglobin analysis, and genetic testing. In each field, we are expanding our product lineup based on distinctive technologies and establishing sales bases not only in Japan but also overseas for global business development. Additionally, the BioScience Division consistently handles everything from the development, manufacturing, and sales of equipment and reagents to maintenance and customer support, all managed by the Tosoh Group, including its affiliated companies.