Physico-chemical study of Dead Sea waters. II. Density measurements and equation of state of Dead Sea waters at 1 atm

Boris S. Krumgalz; Frank J. Millero

doi:10.1016/0304-4203(82)90012-3

Physico-chemical study of Dead Sea waters. II. Density measurements and equation of state of Dead Sea waters at 1 atm

Boris S. Krumgalz, Frank J. Millero

Ocean Sciences

Research output: Contribution to journal › Article › peer-review

35 Scopus citations

Abstract

The densities (p) of artificial solutions of Dead Sea waters have been measured at 20°, 25°, 30°, 35° and 40°C using a vibrating tube densimeter. The resulting relative densities (p - p_o, where p_o is the density of water) have been used to determine an equation of state for Dead Sea waters. The average deviation between experimental values and those calculated from the obtained equation was 0.000020 g ml^-1. A thermal expansion coefficient and the coefficients characterizing the influence of the changes in salt or ionic concentrations on the density of Dead Sea waters were calculated, and they were shown to be temperature and concentration dependent. The densities of Dead Sea waters were found to be very sensitive to any changes in ionic composition. The partial molal volumes of salt components were calculated and discussed.

Original language	English (US)
Pages (from-to)	477-492
Number of pages	16
Journal	Marine Chemistry
Volume	11
Issue number	5
DOIs	https://doi.org/10.1016/0304-4203(82)90012-3
State	Published - Oct 1982

ASJC Scopus subject areas

Oceanography
Chemistry(all)
Environmental Chemistry
Water Science and Technology

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@article{c9cb84694c8f4233b3381f45c43dfdfd,

title = "Physico-chemical study of Dead Sea waters. II. Density measurements and equation of state of Dead Sea waters at 1 atm",

abstract = "The densities (p) of artificial solutions of Dead Sea waters have been measured at 20°, 25°, 30°, 35° and 40°C using a vibrating tube densimeter. The resulting relative densities (p - po, where po is the density of water) have been used to determine an equation of state for Dead Sea waters. The average deviation between experimental values and those calculated from the obtained equation was 0.000020 g ml-1. A thermal expansion coefficient and the coefficients characterizing the influence of the changes in salt or ionic concentrations on the density of Dead Sea waters were calculated, and they were shown to be temperature and concentration dependent. The densities of Dead Sea waters were found to be very sensitive to any changes in ionic composition. The partial molal volumes of salt components were calculated and discussed.",

author = "Krumgalz, {Boris S.} and Millero, {Frank J.}",

note = "Funding Information: This work has been partly supportedb y the United States--IsraeBli national Science Foundation through Grant N2066/80 and by the Ministry of Energy and Infrastructuret hrough Grant N80-22. F.J.M. wishes to acknowledge the support of the National Science Foundation (OCE 7924543) for his work on the physical chemistryo f natural waters. B.S.K. thanks Ms. K. Diskin for languagep olishingo f the manuscript. Copyright: Copyright 2014 Elsevier B.V., All rights reserved.",

year = "1982",

month = oct,

doi = "10.1016/0304-4203(82)90012-3",

language = "English (US)",

volume = "11",

pages = "477--492",

journal = "Marine Chemistry",

issn = "0304-4203",

publisher = "Elsevier",

number = "5",

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T1 - Physico-chemical study of Dead Sea waters. II. Density measurements and equation of state of Dead Sea waters at 1 atm

AU - Krumgalz, Boris S.

AU - Millero, Frank J.

N1 - Funding Information: This work has been partly supportedb y the United States--IsraeBli national Science Foundation through Grant N2066/80 and by the Ministry of Energy and Infrastructuret hrough Grant N80-22. F.J.M. wishes to acknowledge the support of the National Science Foundation (OCE 7924543) for his work on the physical chemistryo f natural waters. B.S.K. thanks Ms. K. Diskin for languagep olishingo f the manuscript. Copyright: Copyright 2014 Elsevier B.V., All rights reserved.

PY - 1982/10

Y1 - 1982/10

N2 - The densities (p) of artificial solutions of Dead Sea waters have been measured at 20°, 25°, 30°, 35° and 40°C using a vibrating tube densimeter. The resulting relative densities (p - po, where po is the density of water) have been used to determine an equation of state for Dead Sea waters. The average deviation between experimental values and those calculated from the obtained equation was 0.000020 g ml-1. A thermal expansion coefficient and the coefficients characterizing the influence of the changes in salt or ionic concentrations on the density of Dead Sea waters were calculated, and they were shown to be temperature and concentration dependent. The densities of Dead Sea waters were found to be very sensitive to any changes in ionic composition. The partial molal volumes of salt components were calculated and discussed.

AB - The densities (p) of artificial solutions of Dead Sea waters have been measured at 20°, 25°, 30°, 35° and 40°C using a vibrating tube densimeter. The resulting relative densities (p - po, where po is the density of water) have been used to determine an equation of state for Dead Sea waters. The average deviation between experimental values and those calculated from the obtained equation was 0.000020 g ml-1. A thermal expansion coefficient and the coefficients characterizing the influence of the changes in salt or ionic concentrations on the density of Dead Sea waters were calculated, and they were shown to be temperature and concentration dependent. The densities of Dead Sea waters were found to be very sensitive to any changes in ionic composition. The partial molal volumes of salt components were calculated and discussed.

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U2 - 10.1016/0304-4203(82)90012-3

DO - 10.1016/0304-4203(82)90012-3

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VL - 11

SP - 477

EP - 492

JO - Marine Chemistry

JF - Marine Chemistry

SN - 0304-4203

IS - 5

ER -

Physico-chemical study of Dead Sea waters. II. Density measurements and equation of state of Dead Sea waters at 1 atm

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