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A thermoelectric method of evaluating the purity of platinum for standard thermocouples

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Measurement Techniques Aims and scope

Conclusions

Strict tolerances with respect to the stability of standard thermocouples require the checking of the value of W=R100/R0 of the electrode platinum. Direct measurements of R100 and R0 are complicated and require considerable expenditure of time. The thermoelectric method of indirect determination of R100/R0 provides a sufficiently accurate and speedy check of this characteristic of the platinum electrode.

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Literature cited

  1. N. N. Érgardt, Izmeritei'naya Tekhnika No. 2, 1956.

  2. B. Brenner, Temperature Symposium, New York, p. 1281, 1941.

  3. “Instruments for measuring temperatures and their checking,” Collection of Instruction Materials [in Russian] (Mashgiz, 1955).

  4. R. J. Corruccini, Research NBS47, 2 (1951).

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  5. V. A. Busharin, V, M. Karbolin, and P. N. Prokop'ev, Industrial and Economic Bulletin of the Sverdlovsk Council of National Economy No. 6, 1958.

  6. B. K. Bragin, Izmeritel'naya Tekhnika No. 2, 1955.

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Authors
  1. B. K. Bragin
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Bragin, B.K. A thermoelectric method of evaluating the purity of platinum for standard thermocouples. Meas Tech 2, 776–778 (1959). https://doi.org/10.1007/BF00974237

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  • DOI: https://doi.org/10.1007/BF00974237

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