OTHER
ISO 28439:2011
ISO 28439:2011 is an International Standard that outlines guidelines for determining the number concentration and size distribution of ultrafine aerosols and nanoaerosols using differential mobility analyzing systems (DMAS) in workplace atmospheres. It focuses on the particle fraction of aerosols, specifically for ultrafine and nanoaerosols, where metrics like number and surface area concentration are important
📄 Document
Title: APPLICATION FORM OF ISO 28439:2011
📜 Document Instructions:
Please fill the application form and upload required documents online for ISO Certification.
