Synonyms
|
Mean mass rate, mass flow rate, mass velocity |
Abbreviation
|
Mass c. |
Definition in words
|
Change of mass of component B divided by time elapsed in system 1 |
Definition by equation
|
 |
Systematic terms
|
Mass rate of component B in system 1 |
Result type
|
Rational scale |
- Value sets are positive numerical values
- Algebraic operations are allowed (a=nb; a≠nb)
|
Numerical values from 0-∞ |
Unit
|
µg/s, mg/hour, g/d, etc. |
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
|
Clinical Chemistry
|
Example 1 |
Generic abbreviated form |
NPU19848 Pt(U)—M-component; mass rate(proc.) = ? g/d |
Full form with a result |
NPU19848 Patient(Urine)—M-component; mass rate(procedure) = 1.2 gram per day |
Abbreviated form with a result |
NPU19848 Pt(U)—M-component; mass rate(proc.) = 1.2 g/d |
Written expression |
The mass rate of M-component in Mr. Smith’s urine is [1.2] g/d. The measurement is performed according to procedure defined by the laboratory. |
Equation
|
|
Clinical Pharmacology
|
Example 2 |
Generic abbreviated form |
NPU19777 Pt—Gabapentin(administered); mass rate(p.o.) = ? mg/d |
Full form with a result |
NPU19777 Patient—Gabapentin(administered); mass rate(oral administration) = 300 milligram per day |
Abbreviated form with a result |
NPU19777 Pt—Gabapentin(administered); mass rate(p.o.) = 300 mg/d |
Written expression |
The mass rate of oral administered Gabapentin to Mr. Smith is [300] mg/d. |
Equation |
|
Reference
|
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
Reference
|
- 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 |
Mass rate |
Term established |