A deposit or
emulsion at the
interface between two partially settled phases.
Notes: - The phenomenon of crud formation arises from many causes and this definition does not imply any single one.
- Other terms -- some unprintable -- have been used but crud is the generally accepted term.
Source: PAC, 1993,
65, 2373. (
Nomenclature for liquid-liquid distribution (solvent extraction) (IUPAC Recommendations 1993)) on page 2387 [
Terms] [
Paper]