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Used to standardize an instrument, evaluate a measurement method, or to determine values for materials.
A reference material is a material or substance whose one or more properties are sufficiently homogeneous and which is used to standardize an instrument, evaluate a measurement method, or determine values for materials.
The standard values in the standard sample are created by a technical process that is of the most valuable and perfect quality.
The value of this certificate must be approved by the competent regulatory authority. Reference materials are produced in different forms and for different purposes.