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ASTM-E1772:1995 Edition

ASTM-E1772:1995 Edition

$35.75

E1772-95 Standard Test Method for Particle Size Distribution of Chromatography Media by Electric Sensing Zone Technique

Published By Publication Date Number of Pages
ASTM 1995 3
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ASTM E1772-95

Historical Standard: Standard Test Method for Particle Size Distribution of Chromatography Media by Electric Sensing Zone Technique

ASTM E1772

Scope

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 &#956m 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.

Keywords

Chromatography media; Electric sensing zone; particle size

ICS Code

ICS Number Code n/a

DOI: 10.1520/E1772-95

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