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Support and Troubleshooting

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We want you to be successful in your chromatographic applications, and we understand that providing top-quality products is only part of that equation. The resources below address many of the common issues that our customers come across in the lab, and if you're still wrestling with a chromatographic challenge, Restek Technical Service is here to help.

General Troubleshooting Tips

  • Change only one thing at a time.
  • Carefully document all maintenance and troubleshooting activity.
  • Check the obvious and routine things first: look at maintenance logs, check cables and connections, leak check.
  • Isolate system components and steps: confirm proper sample preparation, perform a blank run, connect an alternate injector or detector, install a different column.

Quick Links

  • Frequently Asked Questions (FAQs): Restek's Technical Service Department has collected the most frequently asked questions (FAQs) about our products and their use, and we've answered them all for your convenience and quick access.
  • Tools and Calculators: Whether you want to quickly model a chromatogram, translate a method, find a certificate of analysis, or request a custom Restek product, our tools and calculators are a great place to start.
  • Reference Standards – Search, Select, and Custom Request Tool: Search our reference standards by compound name, synonym, or CAS #. If you cannot find the right stock standard, simply proceed through the form to request a custom solution for some or all of your compounds of interest.
  • Resources and Education: Part of our commitment to giving you a Plus 1 customer experience is conveniently connecting you with the resources and education you need to be successful.

Guides and Cross-References

From product selection assistance to maintenance advice, these popular resources from our Technical Library are invaluable.

Product Selection

Gas Chromatography (GC)

Liquid Chromatography (LC)

Sample Preparation


Maintenance & Troubleshooting

Gas Chromatography (GC)

Liquid Chromatography (LC)


Contact Restek Technical Service

If you still have questions or need additional technical assistance, contact us today!

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