The Ring Method of Measuring Surface Tension for Liquids of High Density and Low Surface Tension

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Abstract:

The existing correction tables applicable to the measurement of surface tension by the ring method are not extensive enough to be used with liquids of high density coupled with low surface tension, as for example, the fluorocarbons. The convenience and rapidity of the ring method make it worth while to extend the tables to the region in question. The tables therefore, have been extended by fitting a combined hyperbolic and linear equation to the curves derived from existing tables. This equation produces values in agreement with existing tables to better than 0.05 percent. The extrapolated tables were verified experimentally over their whole range by comparing measurements of the surface tensions of five fluorocarbon liquids made by the differential capillary-rise method (which is independent of corrections) with measurements on the same liquids made by the ring method. The agreement was as good as that associated with the original tables.

Author(s):
Fox, H. W. ; Chrisman, C. H. Jr
Author Organization(s):
NAVAL RESEARCH LAB WASHINGTON DC
Funding Organization(s):
NAVAL RESEARCH LAB WASHINGTON DC, WASHINGTON, DC
Document Type:
Technical Report/Formal Report
Publication Date:
1951 Jan 17
Pagination:
14

Security Markings

DOCUMENT & CONTEXTUAL SUMMARY

Distribution Code:
A - Approved For Public Release
Distribution Statement: Public Release.
Copyright: Not Copyrighted

RECORD

Collection: TRECMS
Subject Terms
Keyword(s):
Ring Method, Surface Tension, High Density liquids, Low Surface Tension liquids
Subject Categories:
Chemistry; Mathematical and Computer Sciences; Physics
Descriptor(s):
surface tension, high density, measurement, agreements, equations, fluorinated hydrocarbons, fluoropolymers, microvessels, physical properties
Creation Date:
2023 Nov 17
Update Date:
2023 Nov 22