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NMIs

All your NMI materials from one supplier: we can supply certified reference materials from all the world’s leading National Measurement Institutes (NMIs).
LGC is the UK National Measurement Laboratory and Designated Institute for chemical and bio-measurement and has the same global status as NIST, ERM, JRC, BAM and NMIA. Collectively the reference materials produced by these organisations are of the highest quality and the correct use of such NMI products will help ensure laboratories produce the correct analytical results.

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{{ "Please see individual products for specific accreditation status" | truncate(70) }} See our accreditations

ISO 17034
ISO/IEC 17025

The NML at LGC

As the UK’s designated institute for chemical and bio-measurement, the NML delivers world-leading measurement science to solve complex global challenges

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What is the NML?

Watch our short video to discover what we do at the National Measurement Laboratory and why measurement matters

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What does the SI redefinition mean for you?

This May the final SI unit linked to a physical artefact, the kilogram, will be formally redefined so that it can be calculated using only fixed natural constants

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  • The NML at LGC

    Our role as the NML

  • What is the NML?

    Find out what we do

  • What does the SI redefinition mean for you?

    Redefining the kilogram


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