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Significance and Use
4.1 The iodine adsorption number is useful in characterizing carbon blacks. It is related to the surface area of carbon blacks and is generally in agreement with nitrogen surface area. The presence of volatiles, surface porosity, or extractables will influence the iodine adsorption number. Aging of carbon black can also influence the iodine number.
1.1 This test method covers the determination of the iodine adsorption number of carbon black.
1.1.1 Method A is the original test method for this determination and Method B is an alternate test method using automated sample processing and analysis.
1.2 The iodine adsorption number of carbon black has been shown to decrease with sample aging. Iodine Number reference materials have been produced that exhibit stable iodine number upon aging. One or more of these reference materials are recommended for daily monitoring (x-charts) to ensure that the results are within the control limits of the individual reference material. Use all Iodine Number reference materials from a set for standardization of iodine testing (see Section ) when target values cannot be obtained.
1.3 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.
1.4 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use.
1.5 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.
2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.
D1799 Practice for Carbon Black--Sampling Packaged Shipments
D1900 Practice for Carbon BlackSampling Bulk Shipments
D4483 Practice for Evaluating Precision for Test Method Standards in the Rubber and Carbon Black Manufacturing Industries
D4821 Guide for Carbon BlackValidation of Test Method Precision and Bias
E969 Specification for Glass Volumetric (Transfer) Pipets
European StandardsISO/EN/DIN 8655-3 Piston-operated volumetric apparatus - Part 3: Piston burettes
ICS Number Code 83.040.20 (Rubber compounding ingredients)
|Link to Active (This link will always route to the current Active version of the standard.)|
ASTM D1510-19a, Standard Test Method for Carbon Black—Iodine Adsorption Number, ASTM International, West Conshohocken, PA, 2019, www.astm.orgBack to Top