ASTM E29 PDF

within 72 hours in accordance with ASTM E “Standard Test Method for specification compliance in ASTM E “Standard Practice for Using. industry references The American Society for Testing Materials (ASTM) Standard. E, “Practice for Using Significant Digits in Test Data to Determine. ASME中国制造-ASTM E (原文)_化学_自然科学_专业资料。Designation: E29? 13 An American National Standard Standard Practice for.

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For example, the number 0. An alternative statement of the suggested rule is: Zeros trailing the last nonzero digit for numbers represented with a decimal point are signi?

A test result is calculated as 1. Reporting s to within 0. When the measuring device has a vernier scale, the last digit recorded is the one from the vernier. If two choices are possible, as when the digits dropped are exactly a 5 or a 5 followed only by zeros, choose that ending in an even digit.

Write down the standard deviation. Current edition approved Aug. The guidelines for retaining significant figures in calculation and reporting of test results are presented in details.

This standard has been approved for use by agencies of the Department of Defense. This abstract is a brief summary of the referenced standard. ASTM International takes no position respecting the validity of any patent rights asserted in connection with any item mentioned in this standard.

Its aim is to outline methods which should aid in clarifying the intended meaning of specification limits with which observed values or calculated test results are compared in determining conformance with specifications.

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ASME中国制造-ASTM E (原文)_百度文库

The following guidelines are intended to preserve the data for statistical summaries. 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. Increase by 1 asm digit in the last place retained, if there are non-zero digits beyond this 5.

In order to round to the nearest 50, 5, 0. Your comments will receive careful consideration at a meeting of the responsible technical committee, which you may attend. This standard is subject to revision at any time by the responsible technical committee and must be reviewed every?

Any approach to retention of signi? Rounding this value to the nearest whole number gives a value of 4, based on the information in 6.

The suggested rule would report x? It is the responsibility of the user of ast, standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use. In the absence of such speci? When the number of observations is large more than 15 8. The conversion constant, For example, if a buret is graduated in units of aztm. Thus, any deviation, however small, outside the speci?

In such cases, the following procedure can be used for rounding to any interval: Historical Version s – view previous versions of standard Work Item s – proposed revisions of this standard Translated Version s: Two commonly accepted methods of rounding data, identified as the absolute method and the rounding method are described.

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This will be referred to as the absolute method, which is discussed in Section 5. Analyses on six specimens give values of 3. The choice of method depends upon the current practice of the particular branch of industry or technology concerned, and should therefore be speci? ASTM does not give any warranty express or implied or make any representation that the contents of this abstract are accurate, complete or up to date.

When rounding a number to one having a speci?

For purposes of determining conformance with these speci? The rounded value should then be compared with the speci? Under these conditions, the speci?

Users of this standard are expressly advised that determination of the ee29 of any such patent rights, and the risk of infringement of such rights, are entirely atsm own responsibility. The standard deviation of the test method is estimated to be, 0.

Digits of ln x or log10 x are signi? Historical Version s – view previous versions of standard. Table 1 gives examples of applying this rounding procedure. In the applications of this practice to a speci? Permission rights to photocopy the standard may also be secured from the ASTM website www.

The examples are not binding on products or test methods treated.

ASTM E29 – 13

ASTM Manual 7 provides methods for reporting x? Multiplying 4 by 0. Guidelines for Retaining Signi?