mass density gradient, \(\bigtriangledown \rho\), \(\text{grad}\: \rho\)

https://doi.org/10.1351/goldbook.M03715
Change in @M03714@ in a small distance divided by that distance.
Source:
PAC, 1996, 68, 957. (Glossary of terms in quantities and units in Clinical Chemistry (IUPAC-IFCC Recommendations 1996)) on page 980 [Terms] [Paper]
Citation: 'mass density gradient' in IUPAC Compendium of Chemical Terminology, 3rd ed. International Union of Pure and Applied Chemistry; 2006. Online version 3.0.1, 2019. https://doi.org/10.1351/goldbook.M03715 RIS BibTex EndNote
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Last revised: February 24, 2014