The density of Red Sea brines

Frank J. Millero; Alfonso Mucci; James Zullig; Peter Chetirkin

doi:10.1016/0304-4203(82)90011-1

The density of Red Sea brines

Frank J. Millero, Alfonso Mucci, James Zullig, Peter Chetirkin

Ocean Sciences

Research output: Contribution to journal › Article

16 Scopus citations

Abstract

The densities of artificial and real Red Sea brines have been measured at 25°C with a vibrating tube densimeter. Measurements were also made on mixtures of Red Sea brines with seawater and pure water. The results have been used to characterize the density-composition relations of waters across the interface of brine and average Red Sea waters. The results for the real and artificial brines are in reasonable agreement. The composition of the brines and mixtures with seawater have been characterized by conductivity measurements of weight diluted samples. The conductivity salinities were found to be conservative to within ±0.07‰ for the mixtures. The densities of brines and mixtures of brines and seawater were estimated from apparent molal volume data using Young's rule. The calculated densities for all of the solutions were found to be in good agreement with the measured values, demonstrating the applicability of Young's rule to concentrated natural waters.

Original language	English (US)
Pages (from-to)	463-475
Number of pages	13
Journal	Marine Chemistry
Volume	11
Issue number	5
DOIs	https://doi.org/10.1016/0304-4203(82)90011-1
State	Published - Oct 1982

ASJC Scopus subject areas

Oceanography
Chemistry(all)
Environmental Chemistry
Water Science and Technology

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Millero, F. J., Mucci, A., Zullig, J., & Chetirkin, P. (1982). The density of Red Sea brines. Marine Chemistry, 11(5), 463-475. https://doi.org/10.1016/0304-4203(82)90011-1

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N2 - The densities of artificial and real Red Sea brines have been measured at 25°C with a vibrating tube densimeter. Measurements were also made on mixtures of Red Sea brines with seawater and pure water. The results have been used to characterize the density-composition relations of waters across the interface of brine and average Red Sea waters. The results for the real and artificial brines are in reasonable agreement. The composition of the brines and mixtures with seawater have been characterized by conductivity measurements of weight diluted samples. The conductivity salinities were found to be conservative to within ±0.07‰ for the mixtures. The densities of brines and mixtures of brines and seawater were estimated from apparent molal volume data using Young's rule. The calculated densities for all of the solutions were found to be in good agreement with the measured values, demonstrating the applicability of Young's rule to concentrated natural waters.

AB - The densities of artificial and real Red Sea brines have been measured at 25°C with a vibrating tube densimeter. Measurements were also made on mixtures of Red Sea brines with seawater and pure water. The results have been used to characterize the density-composition relations of waters across the interface of brine and average Red Sea waters. The results for the real and artificial brines are in reasonable agreement. The composition of the brines and mixtures with seawater have been characterized by conductivity measurements of weight diluted samples. The conductivity salinities were found to be conservative to within ±0.07‰ for the mixtures. The densities of brines and mixtures of brines and seawater were estimated from apparent molal volume data using Young's rule. The calculated densities for all of the solutions were found to be in good agreement with the measured values, demonstrating the applicability of Young's rule to concentrated natural waters.

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