M00001557
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ISO 4652 2nd Edition, June 15, 2012 Rubber compounding ingredients - Carbon black - Determination of specific surface area by nitrogen adsorption methods - Single-point procedures
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Availability date: 07/13/2021
Description / Abstract:
This International Standard specifies four methods for the
determination of the specific surface area of types and grades of
carbon black for use in the rubber industry:
— method A using the Ni-Count-1 apparatus (Clause 3);
— method B using the Areameter apparatus (Clause 4);
— method C using gas chromatography (Clause 5);
— method D using the Monosorb surface-area analyser (Clause
6).
Somewhat different results might be obtained from the four
methods. The degassing procedure used differs from method to
method, and it is important to investigate the possibility of
correcting the results by using standard reference blacks.
The results might also differ from those obtained using the
multipoint method specified in ISO 18852, which is the preferred
method.