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About This Item

 

Full Description

BS ISO 1304:2016 specifies methods for the determination of iodine adsorption number of carbon blacks for use in the rubber industry.

Two titration methods are described:
  • method A: titration using a burette and starch as indicator;
  • method B: potentiometric titration with an automatic titrator.
The iodine adsorption number is related to the surface area of a carbon black and is generally in agreement with the nitrogen surface area. However, it is significantly depressed in the presence of a high content of volatile or solvent-extractable materials; the iodine adsorption number therefore does not always provide a measure of the specific surface area of a carbon black. Ageing of carbon black can also influence the iodine number.

In case of dispute, the preferred method is method B (potentiometric titration).


Cross References:
ISO 385
ISO 648
ISO 1042
ISO 1126
ISO/TR 9272:2005
ASTM D4821


All current amendments available at time of purchase are included with the purchase of this document.
 

Document History

  1. BS ISO 1304:2016

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    Rubber compounding ingredients. Carbon black. Determination of iodine adsorption number

    • Most Recent
  2. BS ISO 1304:2006


    Rubber compounding ingredients. Carbon black. Determination of iodine adsorption number

    • Historical Version
  3. BS 5293-10:2001


    Sampling and testing carbon black for use in the rubber industry-Method for determination of iodine absorption number

    • Historical Version
  4. BS 5293-10:1988


    Sampling and testing carbon black for use in the rubber industry-Method for determination of iodine adsorption number

    • Historical Version
  5. BS 5293:1976


    Methods for sampling and testing carbon black for use in the rubber industry

    • Historical Version