3.1 The total sulfur content of a carbon black is useful in determining whether a material meets a customer’s specifications, providing data for performing a sulfur material balance around a process for environmental monitoring and reporting, and in calculations for reconstructing a rubber composition from analytical data.

1.1 These test methods cover the determination of the sulfur content of carbon black. The following test methods are included:

Sections

Test Method A

High-Temperature Combustion With In-
frared Absorption Detection Procedures

6 to 13

Test Method B

X-Ray Fluorescence

14 to 19

1.2 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.

1.3 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.

1.4 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.