| Identification of a previously undetected source of systematic error in capillary viscometry measurements. | |
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MedLine Citation:
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PMID: 18699345 Owner: NLM Status: In-Data-Review |
Abstract/OtherAbstract:
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A new analysis of the factors affecting the driving head within a capillary viscometer has identified a previously undetected source of error due to surface tension. In contrast to the well-known capillary rise correction to the effective driving head, this additional effect requires that a correction be made to the apparent head of liquid. Calculations show that this source of error may be responsible for deviations in experimental results as large as 1%. A new calibration equation which compensates for both surface tension effects is recommended. |
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Authors:
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G D Wedlake; J H Vera; G A Ratcliff |
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Publication Detail:
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Type: Journal Article |
Journal Detail:
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Title: The Review of scientific instruments Volume: 50 ISSN: 0034-6748 ISO Abbreviation: Rev Sci Instrum Publication Date: 1979 Jan |
Date Detail:
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Created Date: 2008-08-13 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 0405571 Medline TA: Rev Sci Instrum Country: United States |
Other Details:
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Languages: eng Pagination: 93 Citation Subset: - |
Affiliation:
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Department of Chemical Engineering, University of Alberta, Edmonton, Alberta T6G 2G6 CanadaDepartment of Chemical Engineering, McGill University, Montreal, Quebec H3A 2A7 Canada. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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