Celsius temperature increment (temp.incr.) - Dynamic NPU Manual

Celsius temperature increment (temp.incr.)



Definition in words

Celsius temperature of system 2 minus Celsius temperature of a system 1

Definition by equation

Systematic terms

Celsius temperature increment of system 1

Result type

Differential scale
  • Value sets are numerical values on a linear differential scale
  • Values cannot be divided (│a-b│=│c-d│;│a-b│≠│c-d│)
Numerical values -∞ to ∞


Degree Celsius (°C)


  • Ferard G, Dybkaer R, Fuentes-Arderiu X. Compendium of Terminology and Nomenclature of Properties in Clinical Laboratory Sciences : Recommendations 2016. 1 ed: Royal Society of Chemistry; 2016. 182 p. Doi:10.1039/9781782622451.
  • IUPAC Goldbook homepage. http://goldbook.iupac.org
  • Lehmann HP, Fuentes-Arderiu X, Bertello L. Glossary of terms in quantities and units in Clinical Chemistry (IUPAC-IFCC Recommendations 1996). Pure and Applied Chemistry. 2009;68(4):957-1000. doi:10.1351/pac199668040957.

Laboratory field


Clinical Chemistry

Generic abbreviated
NPU04035 P—Freezing point; temp.incr.(Water-Plasma) = ? °C
Full result NPU04035 Plasma—Freezing point; temperature increment(Water-Plasma) = 1.5 °C
Abbreviated result NPU04035 P—Freezing point; temp.incr.(Water-Plasma) = 1.5 °C
Written expression The Celsius temperature increment of Mrs. Smith’s plasma freezing point is [1.5] °C. The calculation was performed by water minus Mrs. Smith’s plasma.


NPU database, https://www.ifcc.org/ifcc-scientific-division/sd-committees/c-npu/npusearch/ and http://www.labterm.dk/default.aspx
  • Kind-of-property

    • Nominal kind-of-property

    • Kind-of-quantity

      • Unitary kind-of-quantity

        • Rational unitary kind-of-quantity

          • Celsius temperature increment


  • Dybkaer R. Concept system on ‘quantity’: formation and terminology. Accredit Qual Assur. 2013;18(3):253-60.
  • Dybkaer R. ISO terminological analysis of the VIM3 concepts ‘quantity’ and ‘kind-of-quantity’. Metrologia. 2010;47(3):127-34.
Date Term Note
1996-01-01 Celsius temperature increment Term established