Analysis of trace organic impurities in ultrapure water systems by SBSE GC/MS

Date Published: 2026 | Conference materials

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TOC measurement shows the total amount of organics in UPW but provides no information on which compounds are present. This presentation applies stir bar sorptive extraction with GC/MS (SBSE-GC/MS) to UPW, achieving high sensitivity with a dual-extraction method. The work identified 2-ethyl-1-hexanol at multiple points in a UPW system and confirmed mixed-bed ion exchange resin as a source through leaching tests.

Companies:Organo

Authors: Kyohei Tsutano, Fumitaka Ichihara, Yuri Hoshino

Tags: Total Organic Carbon (TOC)Metrology and Analytical Technology

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