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<p>ISO 9924-2:2016 specifies a thermogravimetric method for the determination of the total organic content, carbon black content, carbonaceous residue and ash in vulcanizates and uncured compounds containing polymers which form a carbonaceous residue on pyrolysis (see 1.2). The loss in mass at around 300 °C is an approximate guide to the volatile-matter content of the compound.</p>
<p>The method is suitable for the analysis of rubber compounds and vulcanizates containing the hydrocarbon polymers covered by ISO 9924‑1 plus the following copolymers with polar groups which form a carbonaceous residue on pyrolysis:</p>
<p>a) acrylonitrile-butadiene copolymers (NBRs);</p>
<p>b) carboxylated acrylonitrile-butadiene copolymers (XNBRs);</p>
<p>c) hydrogenated acrylonitrile-butadiene copolymers (HNBRs);</p>
<p>d) chlorinated isobutylene-isoprene copolymers (CIIRs);</p>
<p>e) brominated isobutylene-isoprene copolymers (BIIRs).</p>
Reģistrācijas numurs (WIID)
70335
Darbības sfēra
<p>ISO 9924-2:2016 specifies a thermogravimetric method for the determination of the total organic content, carbon black content, carbonaceous residue and ash in vulcanizates and uncured compounds containing polymers which form a carbonaceous residue on pyrolysis (see 1.2). The loss in mass at around 300 °C is an approximate guide to the volatile-matter content of the compound.</p>
<p>The method is suitable for the analysis of rubber compounds and vulcanizates containing the hydrocarbon polymers covered by ISO 9924‑1 plus the following copolymers with polar groups which form a carbonaceous residue on pyrolysis:</p>
<p>a) acrylonitrile-butadiene copolymers (NBRs);</p>
<p>b) carboxylated acrylonitrile-butadiene copolymers (XNBRs);</p>
<p>c) hydrogenated acrylonitrile-butadiene copolymers (HNBRs);</p>
<p>d) chlorinated isobutylene-isoprene copolymers (CIIRs);</p>
<p>e) brominated isobutylene-isoprene copolymers (BIIRs).</p>
