Volume fraction (vol.fr.)
Abbreviation |
Vol.fr. | ||
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Definition in words |
The volume of component B divided by the volume of system 1 | ||
Definition by equation |
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Result type |
Rational scale |
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Numerical values from 0-∞ |
Unit |
10-18, 10-15, 10-12, 10-9, 10-6, 10-3, 1 (one), etc. | ||
Special rule(s) in the NPU syntax |
Unit, one (1) is omitted in the NPU syntax | ||
Reference |
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. |
Laboratory field |
Examples |
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Clinical Chemistry |
Example 1 | |
Generic abbreviated |
NPU01961 B—Erythrocytes; vol.fr. = ? | |
Full result | NPU01961 Blood—Erythrocytes; volume fraction = 0.45 | |
Abbreviated result | NPU01961 B—Erythrocytes; vol.fr. = 0.45 | |
Written expression | The volume fraction of Erythrocytes in Mr. Smith’s Blood is [0.45]. | |
Equation
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Example 2 | ||
Generic abbreviated |
NPU03008 Air(expired)—Oxygen(O2); vol.fr. = ? | |
Full result | NPU03008 Air(expired)—Oxygen(O2); vol.fr. = 0.16 | |
Abbreviated result | NPU03008 Air(expired)—Oxygen(O2); vol.fr. = 0.16 | |
Written expression | The volume fraction of Oxygen(O2) in Mr. Smith’s Blood is [0.45]. | |
Equation |
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Clinical Toxicology |
Example 3
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Generic abbreviated |
NPU16666 Beverage(spec.)—Ethanol; vol.fr. = ? | |
Full result | NPU16666 Beverage(specification)—Ethanol; volume fraction = 0.11 | |
Abbreviated result | NPU16666 Beverage(spec.)—Ethanol; vol.fr. = 0.11 | |
Written expression | The volume fraction of Ethanol in Mr. Smith’s Beverage(specification) is [0.11]. | |
Equation | ||
Notes |
“Beverage(specification)” is a system related to the patient. The beverage needed to be specified by the laboratory. |
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Thrombosis and Haemostasis |
Example 4 | |
Generic abbreviated |
NPU01694 B—Coagulum retraction; vol.fr.(proc.) = ? | |
Full result | NPU01694 B—Coagulum retraction; volume fraction(procedure) = 0.25 | |
Abbreviated result | NPU01694 B—Coagulum retraction; vol.fr.(proc.) = 0.25 | |
Written expression | he volume fraction of Coagulum retraction in Mr. Smith’s Blood is [0.25]. | |
Equation | ||
Reference |
NPU database, https://www.ifcc.org/ifcc-scientific-division/sd-committees/c-npu/npusearch/ and http://www.labterm.dk/default.aspx |
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Kind-of-property
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Nominal kind-of-property
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Kind-of-quantity
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Unitary kind-of-quantity
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Rational unitary kind-of-quantity
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Volume fraction
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Reference |
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Date | Term | Note |
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1996-01-01 | Volume fraction | Term established |
NPU term identifier |
QU50054 |