Summary
The present status of biological and environmental reference materials (BERMs) is summarized, including the institutions involved in the preparation, certification and approval of BERMs, types, analysis, homogeneity, stability and role in analytical practice. The future perspectives on the BERMs in China are also briefly discussed.
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Chai, C. Present status and future trends in biological and environmental reference materials in China. Fresenius J Anal Chem 345, 93–98 (1993). https://doi.org/10.1007/BF00322562
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DOI: https://doi.org/10.1007/BF00322562