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  • ISO
    ISO 14932:2023 Rubber compounding ingredients - Organic vulcanizing agents - Determination of organic peroxide content
    Edition: 2023
    $402.80
    / user per year

Content Description

This document specifies four methods for the determination of the content of the following groups of organic peroxides used as rubber vulcanizing agents. There are three titration methods and one gas-chromatography method.

a)       titration method A for group a: Peroxyketals:

1,1-Di(tert-butylperoxy)cyclohexane (DTBPC; CAS Registry Number®[1]:3006-86-8)

1,1-Di(tert-butylperoxy)-2-methylcyclohexane (DBPMC; CAS RN 147217 40 1);

1,1-Di(tert-butylperoxy)-3,3,5-trimethylcylcohexane (DBPTC; CAS RN 6731 36 8);

2,2-Di(tert-butylperoxy)butane (DBPB; CAS RN 2167 23 9);

Butyl 4,4-di(tert-butylperoxy)valerate (BPV; CAS RN 995 33 5);

b)       titration method B for group b: Diacyl peroxides:

Dibenzoyl peroxide (CAS RN 94 36 0);

Di(2,4-dichlorobenzoyl) peroxide (CAS RN 133 14 2);

Di(4-methylbenzoyl) peroxide (CAS RN 895 85 2);

c)        titration method C for group c: Diaralkyl and alkyl-aralkyl peroxides:

Di(tert-butylperoxyisopropyl)benzene (CAS RN 2212 81 9);

Dicumyl peroxide (CAS RN 80 43 3);

tert-Butyl cumyl peroxide (CAS RN 3457 61 2);

d)       gas-chromatography for dialkyl peroxides, using a capillary or packed column.

2,5-Dimethyl-2,5-di(tert-butylperoxy)hexane (CAS RN 78 63 7)

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[1]  Chemical Abstracts Service (CAS) Registry Number® is a trademark of the American Chemical Society (ACS). This information is given for the convenience of users of this document and does not constitute an endorsement by ISO of the product named. Equivalent products may be used if they can be shown to lead to the same results.



About ISO

ISO, the International Organization for Standardization, brings global experts together to agree on the best way of doing things – for anything from making a product to managing a process. As one of the oldest non-governmental international organizations, ISO has enabled trade and cooperation between people and companies all over the world since 1946. The International Standards published by ISO serve to make lives easier, safer and better.
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