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ASTM E1772 PDF
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Standard Test Method for Particle Size Distribution of Chromatography Media by Electric Sensing Zone Technique (Withdrawn 2010)
| Published by | Publication Date | Number of Pages |
| ASTM | 01/01/2001 | 3 |
ASTM E1772 – Standard Test Method for Particle Size Distribution of Chromatography Media by Electric Sensing Zone Technique (Withdrawn 2010)
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.
1.3This 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.
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