Process of contact and adhesion whereby dispersed molecules or particles are held together by weak physical interactions ultimately leading to phase separation by the formation of precipitates of larger than colloidal size.
----
* In contrast to aggregation, agglomeration is a reversible process.
* The definition proposed here is recommended for distinguishing agglomeration from aggregation. The particles that comprise agglomerates can be dispersed again.
* This quotation is from the Purple Book . (en)
Flocculation : Reversible formation of aggregates in which the particles are not in physical contact.
----
Agglomeration (en)