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ASTM E 1772 : 1995 : R2001

Withdrawn
Withdrawn

A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.

Standard Test Method for Particle Size Distribution of Chromatography Media by Electric Sensing Zone Technique (Withdrawn 2010)
Available format(s)

Hardcopy , PDF

Withdrawn date

01-02-2010

Language(s)

English

Published date

10-11-1995

CONTAINED IN VOL. 11.06, 2009 Determines the measurement of particle size and covers determination of the particle size distribution of chromatography media in the overall size range of approximately 1 to 450 Micro meter using the electric sensing zone (ESZ) apparatus.

1.1 This test method is valuable for the measurement of particle size and covers determination of the particle size distribution of chromatography media in the overall size range of approximately 1 to 450 μm using the electric sensing zone (ESZ) apparatus. This instrument uses an electric current path of small dimensions that is modulated by individual particle passage through an aperture and produces individual pulses of amplitude proportional to the particle volume (1).²

1.2 The values stated in SI units are to be regarded as the standard.

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.

Committee
E 48
DocumentType
Test Method
Pages
3
ProductNote
Reconfirmed 2001
PublisherName
American Society for Testing and Materials
Status
Withdrawn
Supersedes

ASTM E 177 : 2014 : REDLINE Standard Practice for Use of the Terms Precision and Bias in ASTM Test Methods

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$108.03
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