| Termine | Definizione |
|---|---|
| IEST RP CCO11.2 |
The Institute of Environmental Sciences and Technology (IEST) Contamination Control Recommended Practices : A Glossary of Terms and Defibnitions Relating to Contamination Control |
| impaction |
Physical contact of particles with other surfaces in response to the application of an external force. The term is occasionally used synonymously with impingement IEST RD CCO11.2 |
| impactor |
A sampling device capable of removing particles from a suspension using he principle of impaction (impingement) IEST RD CCO11.2 |
| impactor, cascade |
A “cascade impactor” refers to a specific instrument that employs several impactions in series to collect particles of successively smaller sizes IEST RD CCO11.2 |
| impingement |
A sampling procedures whereby particles are removed from a gaseous suspension by forcibly directing the flowing gas against a collection surface IEST RD CCO11.2 |
| impingement dry |
Impingement in which the particle-colleting surface is a solid or a solid coated with an adhesive IEST RD CCO11.2 |