A.A. Stakheev, V.I. Dobrovolskiy

Al’manac of Modern Metrology № 1 (6) 2016, pages 72–77

The sectors of the national economy are marked, where required the control of the mass concentration of dissolved oxygen and hydrogen in liquid media. To ensure the uniformity of measurements with the required accuracy has been created the state primary standard of the mass concentration of oxygen and hydrogen in liquid media GET 212-2014. Described standard and it’s working principle. The results of studies of its technical and metrological characteristics are given.

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