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An attribute of phenomena, bodies or substances that may be distinguished qualitatively. Examples: Colour (value: green, blue), transparency, length (value: long, short; 2 m, 5 m), amount-of-substance (value: 2 mol, 5 mol). Kind-of-property includes the concept kind-of-quantity. All kinds-of-property may be related to nominal (e.g. green, blue) and ordinal scales (e.g. small, large), but kinds-of-quantity are generally related to difference [e.g. 10 °C (i.e. 10 °C more than an arbitrary zero)] or ratio scales (length 2 m or 5 m).
PAC, 1995, 67, 1563 (Properties and units in the clinical laboratory sciences-I. Syntax and semantic rules (IUPAC-IFCC Recommendations 1995)) on page 1565
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IUPAC. Compendium of Chemical Terminology, 2nd ed. (the "Gold Book"). Compiled by A. D. McNaught and A. Wilkinson. Blackwell Scientific Publications, Oxford (1997). XML on-line corrected version: (2006-) created by M. Nic, J. Jirat, B. Kosata; updates compiled by A. Jenkins. ISBN 0-9678550-9-8.
Last update: 2014-02-24; version: 2.3.3.
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