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  • ASTM D8526-23

ASTM D8526-23

Standard Test Method for Analytical Procedure Using Transmission Electron Microscopy for the Determination of the Concentration of Carbon Nanotubes and Carbon Nanotube-containing Particles in Ambient Atmospheres

ASTM International , 09/01/2023

Publisher: ASTM

File Format: PDF

$31.00$63.00


Standard By:ASTM International , 09/01/2023
Published:09/01/2023
Pages:19
File Size:1 file , 1 MB
Language:English
Note:This product is unavailable in Russia, Ukraine, Belarus
1.1This test method is an analytical procedure using transmission electron microscopy (TEM) for the determination of the concentration of carbon nanotubes and carbon nanotube-containing particles in ambient atmospheres.
1.1.1This test method is suitable for determination of carbon nanotubes in both ambient (outdoor) and building atmospheres.
1.2This test method is defined for polycarbonate capillary pore filters through which a known volume of air has been drawn and for blank filters.
1.3The direct analytical method cannot be used if the general particulate matter loading of the sample collection filter as analyzed exceeds approximately 25 % coverage of the collection filter by particulate matter.
1.4Units-The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.
1.5This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use.
1.6This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

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