Q&A: Effective Instrumentation Management In Cycle Chemistry Applications

By David Gray, Senior Product Manager, Mettler-Toledo Thornton, Inc.

David Gray has over 35 years experience in the design, application, and marketing of process analytical and control instrumentation at Leeds & Northrup and Mettler-Toledo Thornton. He has authored numerous articles and contributed to books on the measurement and control of conductivity/resistivity, pH, oxidation reduction potential (ORP), specific ion, total organic carbon (TOC), dissolved oxygen, and ozone in the power, semiconductor, and pharmaceutical industries. He is a senior member of the International Society of Automation (ISA) and a task group chairman on the ASTM D19 Water Committee. Gray holds a B.S. in chemical engineering from Case Western Reserve University.

In this Q&A, Gray discusses a range of topics related to making accurate cycle chemistry measurements, including optimum sample flow rates, temperature compensation, cell content, and more.

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