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ASTM D421-85(2007)

Current Revision

Standard Practice for Dry Preparation of Soil Samples for Particle-Size Analysis and Determination of Soil Constants

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1.1 This practice covers the dry preparation of soil samples as received from the field for particle-size analysis and the determination of the soil constants.

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.


This practice can be used to prepare samples for particle-size and plasticity tests where it is desired to determine test values on air-dried samples, or where it is known that air drying does not have an effect on test results relative to samples prepared in accordance with Practice D 2217.

SDO ASTM: ASTM International
Document Number D421
Publication Date Sept. 1, 2007
Language en - English
Page Count 2
Revision Level 85(2007)
Supercedes
Committee D18.03
Publish Date Document Id Type View
Sept. 1, 2007 D0421-85R07 Revision
Nov. 10, 2002 D0421-85R02 Reaffirmation
May 10, 1998 D0421-85R98 Reaffirmation