Improve Data Accuracy and Precision with Restek’s Internal and Surrogate Reference Standards
Our extensive catalog of internal and surrogate standards provides you with the accuracy and precision you need to help ensure your analytical results are error free. Additionally, many methods call for internal and surrogate standards, making high-quality standards a requirement for labs following these methods.
- Over 98% of our standards, including our internal and surrogate standards, are certified reference materials (CRMs), manufactured and QC tested in our state-of-the-art ISO-accredited labs.
- Easy-to-find, fully ISO-compliant documentation.
- Exceptional, Plus 1 technical service—we are ready to assist you and your lab.
Internal Standards (IS)
Internal standards can be added to a sample, extract, or standard solution in known amounts to measure the relative responses of other method analytes that are components of the same sample or solution. Choose internal standards by industry:
Surrogate Standards (SS)
Surrogate standards can be spiked into environmental and batch QC samples prior to sample preparation and analysis. They can then be used to evaluate matrix interference on a sample-specific basis. Choose surrogate standards by industry: