ASTM D4678-94(2001) PDF

1.1 Materials used on an industry-wide basis as reference materials are vitally important to conduct product, specification, and development testing in the rubber and carbon black industry. This practice describes the steps necessary to ensure that any candidate material, that has a perceived need, can become a Reference Material. The practice sets forth the recommendations on the preparation steps for these materials; on the testing that shall be conducted to permit acceptance of any candidate material and on how the documentation needed for the acceptance shall be recorded for future use and review.

1.2 This practice shall be administered by ASTM Committee D11 in consultation on all matters with Committee D24.

Important sections of this practice are as follows:

SectionSignificance and Use of the Standard3Preparation of Industry Reference Materials4Overview of Industry Reference Material Testing5Chemical and Physical Specifications for IRM6Reference Material Documentation7Assignment and Tabulation of Reference Material Numbers8Typical Reference Material Use9Recommended Package Size for IRMAnnex A1Recommended Sampling Plans for Homogeneity Testing of an IRMAnnex A2Test Plan and Analysis for Homogeneity of an IRMAnnex A3Test Plan and Analysis to Evaluate an Accepted Reference ValueAnnex A4Statistical Model(s) for IRM TestingAnnex A5Example of Annex Calculations for a Typical IRMAppendix X1Two-Way Analysis of Variance for Calculating SrAppendix X2Inventory of NIST Rubber Compounding SRMsAppendix X3

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 and health practices and determine the applicability of regulatory limitations prior to use.

File Size :	1 file , 210 KB
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Number of Pages :	24
Published :	05/15/1994