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ASTM International - ASTM D4821-15

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

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Organization: ASTM International
Publication Date: 1 January 2015
Status: inactive
Page Count: 13
ICS Code (Rubber compounding ingredients): 83.040.20
significance And Use:

4.1 This guide recommends the use of statistical x-charts to graphically monitor test data determined for the ASTM reference blacks for those test methods given in Section 2. All laboratories are... View More

scope:

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.

1.2 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).

1.3 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.

Document History

November 1, 2020
Standard Guide for Carbon Black-Validation of Test Method Precision and Bias
4.1 This guide provides insight into the environmental conditions required for operation of laboratories or to aid in the design of new laboratories that perform carbon black testing activities using...
August 1, 2019
Standard Guide for Carbon Black—Validation of Test Method Precision and Bias
4.1 This guide provides insight into the environmental conditions required for operation of laboratories or to aid in the design of new laboratories that perform carbon black testing activities using...
July 1, 2016
Standard Guide for Carbon Black—Validation of Test Method Precision and Bias
4.1 This guide provides insight into the environmental conditions required for operation of laboratories or to aid in the design of new laboratories that perform carbon black testing activities using...
ASTM D4821-15
January 1, 2015
Standard Guide for Carbon Black—Validation of Test Method Precision and Bias
4.1 This guide recommends the use of statistical x-charts to graphically monitor test data determined for the ASTM reference blacks for those test methods given in Section 2. All laboratories are...
June 1, 2014
Standard Guide for Carbon Black—Validation of Test Method Precision and Bias
4.1 This guide recommends the use of statistical x-charts to graphically monitor test data determined for the ASTM reference blacks for those test methods given in Section 2. All laboratories are...
October 1, 2007
Standard Guide for Carbon Black-Validation of Test Method Precision and Bias
1.1 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...
October 1, 2007
Standard Guide for Carbon BlackValidation of Test Method Precision and Bias
One of the major causes of poor test precision is the lack of calibration or standardization of instruments, apparatus, reagents, and technique among laboratories. The sum of all sources of testing...
October 1, 2006
Standard Guide for Carbon Black-Validation of Test Method Precision and Bias
1.1 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...
December 15, 2005
Standard Guide for Carbon Black—Validation of Test Method Precision and Bias
1.1 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...
June 1, 2004
Standard Guide for Carbon Black—Validation of Test Method Precision and Bias
1.1 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...
December 1, 2003
Standard Guide for Carbon Black—Validation of Test Method Precision and Bias
1.1 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...
January 10, 2003
Standard Guide for Carbon Black—Validation of Test Method Precision and Bias
1.1 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...
December 10, 2001
Standard Guide for Carbon Black—Validation of Test Method Precision and Bias
1.1 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...
December 10, 2001
Standard Guide for Carbon Black—Validation of Test Method Precision and Bias
1.1 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...
December 10, 2001
Standard Guide for Carbon Black—Validation of Test Method Precision and Bias
1.1 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...
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