ISO 4652:2012
Withdrawn
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
Hardcopy , PDF 1 User , PDF 3 Users , PDF 5 Users , PDF 9 Users
25-07-2020
English, Russian
13-06-2012
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 NiCount1 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.
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