Reference materials play a role in quantitative graduations in all kinds of chemical analysis, as well as in correcting for equipment working conditions, characteristics, differences among analysts, and the like. It is essential to ensure analytical objectivity through the use of reference materials, as the basis of reciprocal comparisons, commercial transactions, various regulations, and safety measures. This importance has increased in recent years.

For more details, consult the administrative information at the Measures to Promote Provision of Reference Materials corner.

Consult the administrative information at Measures to Promote Provision of Reference Materials and Types of Reference Materials.

The ISO Guide is basically intended for use by the members of the ISO Council, but it is, in fact, widely used as a manual by member organizations.

For more details, consult the administrative information at the ISO Guide 30, Series Summary corner.