Standard
[CURRENT]
2011-07
Workplace atmospheres - Characterization of ultrafine aerosols/ nanoaerosols - Determination of the size distribution and number concentration using differential electrical mobility analysing systems (ISO 28439:2011); German version EN ISO 28439:2011
Within occupational hygiene, aerosol concentrations are usually measured in terms of mass concentrations. For ultrafine aerosols and nanoaerosols, the molecules on the particle surfaces, compared ...