OS GSO ISO 13325:2013
ISO 13325:2003
Omani Standard
Current Edition
·
Approved on
01 April 2013
Tyres -- Coast-by methods for measurement of tyre-to-road sound emission
OS GSO ISO 13325:2013 Files
English
23 Pages
Current Edition
Reference Language
OMR
62.43
OS GSO ISO 13325:2013 Scope
If suspended material has to be removed or analysed, filtration at 0,45 µm is recommended. The analysis of the insoluble fraction requires a mineralization step that is not covered by ISO 13161:2011. In this case, the measurement is made on the different phases obtained. The final activity is the sum of all the measured activity concentrations.
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