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ASTM D4821

Standard Guide for Carbon Black—Validation of Test Method Precision and Bias

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Organization: ASTM
Publication Date: 1 November 2020
Status: active
Page Count: 14
ICS Code (Rubber compounding ingredients): 83.040.20
scope:

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.

This guide defines the environmental conditions that are required for laboratories that perform carbon black testing activities for those test methods under D24's jurisdiction.

This guide establishes procedures for the use of x-charts to continuously monitor those tests listed in Section 2 for within-lab precision (repeatability) and between-lab accuracy (reproducibility).

This guide provides a statistical procedure for improving test reproducibility when a laboratory cannot physically calibrate its apparatus to obtain the reference values of the ASTM reference blacks, within the ranges given in this guide.

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 Standard Reference Blacks are available from Laboratory Standards & Technologies, Inc., 227 Somerset St., Borger, TX 79007.

Document History

ASTM D4821
November 1, 2020
Standard Guide for Carbon Black—Validation of Test Method Precision and Bias
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...
August 1, 2019
Standard Guide for Carbon Black—Validation of Test Method Precision and Bias
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...
July 1, 2016
Standard Guide for Carbon Black-Validation of Test Method Precision and Bias
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...
January 1, 2015
Standard Guide for Carbon Black-Validation of Test Method Precision and Bias
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...
June 1, 2014
Standard Guide for Carbon Black—Validation of Test Method Precision and Bias
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...
October 1, 2007
Standard Guide for Carbon Black—Validation of Test Method Precision and Bias
This guide covers a procedure for using ASTM Standard Reference Blacks2 (SRBs) to continuously monitor the precision of those carbon black test methods for which standard values have been...
October 1, 2007
Standard Guide for Carbon Black—Validation of Test Method Precision and Bias
This guide covers a procedure for using ASTM Standard Reference Blacks2 (SRBs) to continuously monitor the precision of those carbon black test methods for which standard values have been...
October 1, 2006
Standard Guide for Carbon BlackValidation of Test Method Precision and Bias
This guide covers a procedure for using ASTM Standard Reference Blacks2 (SRBs) to continuously monitor the precision of those carbon black test methods for which standard values have been...
December 15, 2005
Standard Guide for Carbon Black—Validation of Test Method Precision and Bias
This guide covers a procedure for using ASTM Standard Reference Blacks2 (SRBs) to continuously monitor the precision of those carbon black test methods for which standard values have been...
June 1, 2004
Standard Guide for Carbon Black - Validation of Test Method Precision and Bias
This guide covers a procedure for using ASTM Standard Reference Blacks(Footnote 2) (SRBs) to continuously monitor the precision of those carbon black test methods for which standard values have been...
December 1, 2003
Standard Guide for Carbon Black - Validation of Test Method Precision and Bias
This guide covers a procedure for using ASTM Standard Reference Blacks (SRBs) to continuously monitor the precision of those carbon black test methods for which standard values have been established....
January 10, 2003
Standard Guide for Carbon Black - Validation of Test Method Precision and Bias
This guide covers a procedure for using ASTM Standard Reference Blacks (SRBs) to continuously monitor the precision of those carbon black test methods for which standard values have been established....
December 10, 2001
Standard Guide for Carbon Black - Validation of Test Method Precision and Bias
This guide covers a procedure for using ASTM Standard Reference Blacks ² (SRBs) to continuously monitor the precision of those carbon black test methods for which standard values have been...
May 10, 2001
Standard Guide for Carbon Black - Validation of Test Method Precision and Bias
This guide covers a procedure for using ASTM Standard Reference Blacks (SRBs) to continuously monitor the precision of those carbon black test methods for which standard values have been established....
December 10, 1999
Standard Guide for Carbon Black - Validation of Test Method Precision and Bias
A description is not available for this item.
May 10, 1998
Standard Guide for Carbon Black - Validation of Test Method Precision and Bias
A description is not available for this item.
May 10, 1997
Standard Guide for Carbon Black - Validation of Test Method Precision and Bias
A description is not available for this item.
January 1, 1996
Standard Guide for Carbon Black - Validation of Test Method Precision and Bias
A description is not available for this item.
September 10, 1995
STANDARD GUIDE FOR CARBON BLACK - VALIDATION OF TEST METHOD PRECISION AND BIAS
A description is not available for this item.
November 15, 1992
STANDARD GUIDE FOR CARBON BLACK - VALIDATION OF TEST METHOD PRECISION AND BIAS
A description is not available for this item.
September 15, 1992
STANDARD GUIDE FOR CARBON BLACK - VALIDATION OF TEST METHOD PRECISION AND BIAS
A description is not available for this item.
March 15, 1992
STANDARD GUIDE FOR CARBON BLACK - VALIDATION OF TEST METHOD PRECISION AND BIAS
A description is not available for this item.
March 30, 1990
STANDARD GUIDE FOR CARBON BLACK - VALIDATION OF TEST METHOD PRECISION AND BIAS
A description is not available for this item.
April 29, 1988
STANDARD GUIDE FOR CARBON BLACK - VALIDATION OF TEST METHOD PRECISION AND BIAS
A description is not available for this item.

References

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