Hierarchy of reference materials certified for chemical composition

Author: Pan X. R.  

Publisher: IOP Publishing

ISSN: 0026-1394

Source: Metrologia, Vol.34, Iss.1, 1997-02, pp. : 35-39

Disclaimer: Any content in publications that violate the sovereignty, the constitution or regulations of the PRC is not accepted or approved by CNPIEC.

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Abstract