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CRM
Certified Reference Materials (or CRM’s) are considered the
gold standard for method validation. These food samples
have been analyzed by several certified laboratories
following internationally accredited reference methods.
They represent different matrices and compositions and
provide unbiased and accurate compositional values to
confidently verify methods.
CEM recommends running CRM’s periodically on the
ORACLE as an internal validation procedure that can used for
ISO and other accreditation purposes.
In order to properly analyze CRM’s in the ORACLE, it is
essential that these samples be conditioned in a CEM High
Precision Heater Block at the temperature designated on
each individual heater block for 45 minutes prior to analysis.
CRM’s that are 12% moisture and higher should be dried in
an air or vacuum oven following certified procedures prior to
conditioning in the CEM High Precision Heater Block.
CRM’s can be sourced from a variety of laboratories worldwide. CEM recommends sourcing these samples from
Muva Kempton in Germany or LGC, a worldwide company. For more information on sourcing CRM’s or contact
information for CRM providers, please send an email to info@cem.com.
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