The new International Temperature Scale of 1990 (ITS-90). | Zendy

B. W. Mangum | Zendy

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The new International Temperature Scale of 1990 (ITS-90).

Author(s) -

B. W. Mangum

Publication year - 1989

Publication title -

clinical chemistry

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.705

H-Index - 218

eISSN - 1530-8561

pISSN - 0009-9147

DOI - 10.1093/clinchem/35.3.503

Subject(s) - international temperature scale of 1990 , scale of temperature , scale (ratio) , range (aeronautics) , atmospheric temperature range , environmental science , thermodynamics , materials science , mathematics , geography , calibration , physics , statistics , cartography , composite material

A new international temperature scale, the ITS-90, will replace the International Practical Temperature Scale of 1968 (amended edition of 1975), IPTS-68(75), on 1 January 1990. Temperatures on the ITS-90 will agree more closely with thermodynamic temperatures; therefore, the ITS-90 represents a substantial improvement over the IPTS-68(75). Fortunately for the clinical laboratory community, the change in the scale will be at most only 0.05 degrees C or less in the range from 0 to 60 degrees C, but corrections in primary calibrations should be made so that the calibrations are based on the ITS-90.

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