5. Glossary

Agglomerate; agglomérat

An agglomerate is an association of particles or aggregates that adhere together due to weak physical bonds. The cluster is therefore friable. The overall external surface of an agglomerate corresponds to the sum of the surfaces of its individual constituents.

Aggregate; agregate

An aggregate is a collection of fused or welded particles that are virtually impossible to separate. The overall external surface of the aggregate may be less than the sum of the surfaces of its constituents.

Microscopie électronique; electron microscopy

Scanning electron microscopy (SEM) and transmission electron microscopy (TEM) are microscopies that use an electron beam to illuminate a sample and obtain an image with resolutions in the nanometer range. A sample...