ASTM D4821-15
- Standard Guide for Carbon Black—Validation of Test Method Precision and Bias
- standard by ASTM International, 01/01/2015
- Category: ASTM
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1.1 This guide covers procedures for using the ASTM Standard Reference Blacks2 (SRBs) and the HT and INR Iodine Number Standards to continuously monitor the precision of those carbon black test methods for which reference values have been established. It also offers guidelines for troubleshooting various test methods.
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