• Gas Chromatography

    Analysis of VOCs in drinking water, sulfur and fluorinated contaminants in petrochemicals, and pesticide residues on food products.

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  • Total Organic Carbon Analysis

    OI Analytical has been an innovator in instrumentation for Total Organic Carbon analysis (TOC) since 1972.

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  • Automated Chemistry Analyzers

    Improve laboratory productivity by automating wet chemistry procedures.

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OI Analytical Products


OI Analytical designs and manufactures instrumentation for chemical analysis. Data from our analytical instruments serve as the basis for informed decisions affecting human health and safety, environmental protection, industrial operations, and product quality.

OI Analytical Products

Total Organic Carbon (TOC) Analyzers


Total Organic Carbon (TOC) is an important water quality parameter, and OI Analytical's reliable TOC instrumentation process naturally-occurring and synthetic compounds for analysis of TOC, TIC, and NPOC content. 

TOC Instruments

Automated Chemistry Analyzers




Flow analysis automates both simple and complex, multi-step analysis procedures requiring in-line sample preparation. Improve workflow with OI Analytical’s flow chemistry analyzers, providing the capability to run multiple flow methods simultaneously.

Continuous Flow Analyzers

Gas Chromatography (GC) Detectors


Select GC detectors to enhance chromatographic performance by measuring trace levels of target compounds in the presence of higher concentration compounds, or matrix interferences. 

GC Detectors and Systems