Viscosity of Di-isodecylphthalate: a potential standard  of moderate viscosity

Oliveira, Carla Padrel de; Caetano, Fernando J. P.; Fareleira, João M. N. A.; Wakeham, William A.

http://hdl.handle.net/10400.2/2022

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Authors

Oliveira, Carla Padrel de

Caetano, Fernando J. P.

Fareleira, João M. N. A.

Wakeham, William A.

Abstract(s)

The paper reports our first measurements of the viscosity of di-isodecylphthalate, which is a candidate for a reference material. At the same time it has a viscosity, which, at room temperature, is around 120mPa · s, so that it can fulfill the need for a reference material more nearly matched to the needs of industry. The present measurements were carried out with a specially designed vibrating-wire viscometer over the temperature range 288–308K and have an estimated uncertainty smaller than ±1.5%, following calibration against the viscosity of toluene. The instrument and results are presented here to encourage other measurements on the same material, by different techniques,which will lead eventually to the establishment of di-isodecylphthalate as a suitable reference material, as well as reference values for its viscosity.

Keywords

DIDP Di-isodecylphthalate Reference material Vibrating wire technique Viscosity

URI

http://hdl.handle.net/10400.2/2022

Citation

Oliveira, Carla Padrel de; [et al.] - Viscosity of Di-isodecylphthalate: a potential standard of moderate viscosity. "International Journal of Thermophysics" [Em linha]. ISSN (Print) 0195-928X) (Online) 1572-9567). Vol. 25, nº 5 (Sep. 2004), p. 1311-1322