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  6. RMX GC column using TriMax deactivation technology

RMX GC column using TriMax deactivation technology

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last updated:Feb 13, 2026

Restek
Restek
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Taking performance to the next stage. With higher sensitivity, longer lifespan, and greater reliability.

Ensure data quality and method performance ■ Secure high reproducibility and reliability even in challenging compound analysis ■ Enable high-sensitivity detection at the picogram level and improve detection limits ■ Enhance operational efficiency by maintaining analytical performance and extending column lifespan The RMX GC column, utilizing TriMax passivation technology, maximizes performance in trace-level analysis, supporting improvements in productivity and profitability. Its exceptional inertness achieves highly symmetrical peak shapes even for challenging active compounds such as acidic and basic compounds, enabling improved linearity of calibration curves and high recovery rates.

    Separation deviceAnalytical Equipment and DevicesColumn Chromatography
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RMX GC column using TriMax deactivation technology

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  • Related Link - https://discover.restek.com/ja/rmx/

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basic information

Minimizing the impact of residual active sites, which tend to be problematic in conventional GC columns, achieves high levels of low detection limits, quantitative reliability, and column durability. This design continues to meet stringent data quality requirements for an extended period, even in the current GC analysis environment where the list of analytes is expanding. Long lifespan: Reduced operational burden through extended performance life. Stable calibration curve: Reduced frequency of recalibration, improving data reliability. Quantification in trace regions: Stable response and reproducibility even at low concentration levels. Ultra-inert GC column: Silica surface treatment that minimizes interactions with an extremely inert and clean column inner surface. The TriMax deactivation technology suppresses the effects of residual active sites and surface contamination, forming an extremely inert and contamination-free column inner surface. To accommodate different analytical conditions and maintenance policies, the RMX series offers multiple configuration options. Integral-Guard is a guard column integrated design that minimizes contamination and adsorption on the inlet side, while Integral-Transfer Line is an integrated type for the MS transfer line that prevents sensitivity loss and variability just before the MS. All lineups of the RMX series can be confirmed from related products.

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Applications/Examples of results

Particularly suitable analysis targets ■ Highly active compounds ■ Trace level analysis ■ Multi-component simultaneous analysis including an extended analyte list ■ Complex matrices (food, environmental, industrial samples)

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Model number overview
RMX-5Sil MS GC capillary column, 30 m, 0.25 mm ID, 0.25 µm Catalog number 17323

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RMX GC Column Catalog

RMX GC Column Catalog

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July 9, 2026 (Thursday) 13:30 - [Co-hosted Webinar by Restek] A Must-See for GC-MS Users! The Latest GC Columns Effective for Trace Analysis and Recent Case Studies on MS Utilization

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In this seminar, we will focus on the challenges of sensitivity reduction and separation performance in GC/MS analysis, and introduce the latest technologies and practical know-how that can help solve these issues. This time, we will also have a presentation from LECO Japan, who will discuss the benefits and applications of high-resolution and high-separation analysis with real examples. Additionally, Restek will introduce column technologies effective for improving sensitivity in trace analysis. Restek: We will explain the inert performance of the RMX GC column, which is effective for improving sensitivity in trace analysis, and the column technology that suppresses adsorption loss in low concentration areas, along with actual measurement data. LECO: We will present the latest application examples of comprehensive detection of trace components using high-sensitivity GC-TOFMS and RMX columns, including environmental, aroma, and material analysis. This content is recommended for anyone involved in multi-component analysis using GC/MS, whether for target or non-target analysis, as well as those who are just starting out. We will provide clear explanations suitable for beginners in GC/MS, so please join us.

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Restek

Restek

Testing, Analysis and Measurement

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Restek Corporation is a manufacturer of chromatography columns and accessories based in the United States. We provide innovative tools necessary for monitoring and developing the quality of air, water, soil, food, pharmaceuticals, chemicals, and petroleum products to analysts around the world. Please feel free to contact us if you have any inquiries.

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