National Institute of Standards and Technology | What is a Standard Reference Material or SRM? @NIST | Uploaded November 2022 | Updated October 2024, 2 hours ago.
How do you know if the numbers in your lab results or your food's nutritional labels are correct? Labs and manufacturers use Standard Reference Materials or SRMs to make sure that the machines measuring these numbers are accurate. Learn what SRMs are in this animated explainer.

For more information go to nist.gov/srm