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| rdf:type
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| Description
| - In this paper is the triple point cell of carbon dioxide design and their assembly presented. Many calibration laboratories require references below –38 °C, but not necessarily down to the argon point temperature. A fixed points, whose temperature is between the argon and mercury triple point can be answer to this issue. That is why the realization of a carbon dioxide triple point (T90 = 216,592 K) are presented. Triple point conditions are maintained inside the cell at the vapour-liquid-solid interface, which occurs only at the upper surface of the carbon dioxide. Since there is a hydrostatic head pressure imposed by the column of liquid carbon dioxide at the depth of immersion of this cells, a correction must be applied to the theoretical triple point temperature to account for the static head pressure present at the sensing point. For all practical purposes, the liquid surface of the carbon dioxide is 15 cm above the bottom of the thermometer well resulting in an increase of difference 0.0005 °C. Fixed point consists of the cell, sealing and well for thermometer. The interior space is filled with gas - carbon dioxide in the liquid state. The cell is placed in the experimental space of the liquid bath FLUKE 7381. The cooling of the cell is realized by contact between the outer part of the cell and the cold alcohol. Experimental plateau is recorded by using a F18 bridge and the SPRT thermometer inserted in the central well of cell. In this paper the realization of the several plateaus will be showed together with the detailed uncertainty analysis of the measurements. Different SRI of several long stem SPRT will be also investigated.
- In this paper is the triple point cell of carbon dioxide design and their assembly presented. Many calibration laboratories require references below –38 °C, but not necessarily down to the argon point temperature. A fixed points, whose temperature is between the argon and mercury triple point can be answer to this issue. That is why the realization of a carbon dioxide triple point (T90 = 216,592 K) are presented. Triple point conditions are maintained inside the cell at the vapour-liquid-solid interface, which occurs only at the upper surface of the carbon dioxide. Since there is a hydrostatic head pressure imposed by the column of liquid carbon dioxide at the depth of immersion of this cells, a correction must be applied to the theoretical triple point temperature to account for the static head pressure present at the sensing point. For all practical purposes, the liquid surface of the carbon dioxide is 15 cm above the bottom of the thermometer well resulting in an increase of difference 0.0005 °C. Fixed point consists of the cell, sealing and well for thermometer. The interior space is filled with gas - carbon dioxide in the liquid state. The cell is placed in the experimental space of the liquid bath FLUKE 7381. The cooling of the cell is realized by contact between the outer part of the cell and the cold alcohol. Experimental plateau is recorded by using a F18 bridge and the SPRT thermometer inserted in the central well of cell. In this paper the realization of the several plateaus will be showed together with the detailed uncertainty analysis of the measurements. Different SRI of several long stem SPRT will be also investigated. (en)
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| Title
| - Triple Point of Carbon Dioxide
- Triple Point of Carbon Dioxide (en)
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| skos:prefLabel
| - Triple Point of Carbon Dioxide
- Triple Point of Carbon Dioxide (en)
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| skos:notation
| - RIV/00177016:_____/13:#0000989!RIV15-MSM-00177016
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| http://linked.open...avai/riv/aktivita
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| http://linked.open...avai/riv/aktivity
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| http://linked.open...vai/riv/dodaniDat
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| http://linked.open...aciTvurceVysledku
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| http://linked.open.../riv/druhVysledku
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| http://linked.open...iv/duvernostUdaju
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| http://linked.open...titaPredkladatele
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| http://linked.open...dnocenehoVysledku
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| http://linked.open...ai/riv/idVysledku
| - RIV/00177016:_____/13:#0000989
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| http://linked.open...riv/jazykVysledku
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| http://linked.open.../riv/klicovaSlova
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| http://linked.open.../riv/klicoveSlovo
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| http://linked.open...ontrolniKodProRIV
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| http://linked.open...v/mistoKonaniAkce
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| http://linked.open...i/riv/nazevZdroje
| - Symposium on Temperature and Thermal Measurements in Industry and Science
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| http://linked.open...in/vavai/riv/obor
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| http://linked.open...ichTvurcuVysledku
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| http://linked.open...cetTvurcuVysledku
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| http://linked.open...vavai/riv/projekt
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| http://linked.open...UplatneniVysledku
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| http://linked.open...iv/tvurceVysledku
| - Jelínek, Michal
- Strnad, Radek
- Šindelář, Martin
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| http://linked.open...vavai/riv/typAkce
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| http://linked.open.../riv/zahajeniAkce
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| number of pages
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| http://purl.org/ne...btex#hasPublisher
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| https://schema.org/isbn
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