Performance of Mercury Triple-Point Cells Made in Brazil

Fixed-points cells are primary standards in ITS-90. They contain reference material with a purity of 99.999 % or more. The gallium in a melting-point cell, for example, can reach a purity of 99.99999 %. This level of purity is not easy to obtain. However, substances like water and mercury can be pur...

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Bibliographische Detailangaben

Hauptverfasser:	Petkovic, S G, Santiago, J F N, Filho, R R, Teixeira, R N, Santos, P R F
Format:	Tagungsbericht
Sprache:	eng
Online-Zugang:	Volltext
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