ASTM WK33809

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Work Item: ASTM WK33809 - Revision of D4821 - 07 Standard Guide for Carbon Black-Validation of Test Method Precision and Bias

Active Standard: D4821 - 07e1

Developed by Subcommittee: D24.61 | Committee D24 Home | Contact Staff Manager

1. Rationale

The existing standard does not address separately the two components of testing accuracy; centering and variation. This revision will add steps to address those two items.

Keywords

carbon black; continuously monitoring testing; SRBs; standard reference blacks; statistical control charts;

Citing ASTM Standards

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Work Item Status:
Date Initiated:06-22-2011
Technical Contact: John Bailey

Status: Draft Under Development

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