Reference Material Certificate
Use of reference materials

The certificate accompanying a reference material is a key element in demonstrating metrological traceability. ISO Guide 31 specifies the minimum information that must appear on a reference material certificate to ensure proper use and correct interpretation of the declared values.

A reference material certificate must include, in particular:

• the name and address of the reference material producer;

• the title of the document (e.g., reference material certificate);

• the precise designation of the material (name, code, lot number, form);

• a general description of the...