ASTM-E2551 › Historical Revision Information
Standard Test Method for Humidity Calibration (or Conformation) of Humidity Generators for Use with Thermogravimetric Analyzers
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Scope
1.1 This test method describes the humidity calibration (or conformance) of humidity generators for use with thermogravimetric analyzers and other thermal analysis apparatus. The humidity range covered is 5 to 95 % relative humidity (% RH) and the temperature range is 0 to 80°C.
1.2 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.
1.3 There are no ISO equivalents to this standard.
1.4 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.
Significance and Use
5.1 This test method calibrates or demonstrates conformity of the humidity level in a purge gas generated by a humidity generator at a fixed temperature. Such calibration or demonstration of conformity may be required by quality initiatives.
5.3 Calibration provides an offset and or slope value that may be used for establishing the relative humidity scale of the apparatus.
Keywords
humidity; moisture; thermal analysis; thermogravimetric analysis; ICS Number Code 71.040.40 (Chemical analysis)
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71.040.40 (Chemical analysis Including analysis of gases and surface chemical analysis)
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Document Number
ASTM-E2551-13
Revision Level
2013 EDITION
Status
Superseded
Modification Type
Revision
Publication Date
May 15, 2013
Document Type
Test Method
Page Count
6 pages
Committee Number
E37.10