Information on Geochemical Standard Reference Materials of the CMGA Countries

This article provides information on the standard reference materials prepared in co‐operation by the CMEA‐countries. Among the standards are materials of technological or geochemical importance ‐ silicates, carbonates, ores, etc. The article briefly mentions the technology of their preparation, homogeneity control, analyses evaluation and certification used for these materials. It surveys the finished and planned SRM's. The last table gives the names of foreign trade companies in the individual CMEA‐countries which are entrusted with the sale of the standard reference materials produced in that particular country.