Synthesis of protodolomite from sea water containing dioxane

Protodolomite was synthesized from sea water containing dioxane by adding 0.4M Na2CO3 solution at 40°C. The presence of dioxane in moderate concentrations (3 to 8vol%) in a parent solution favors the formation of CaCO3(calcite)-MgCO3 solid solution. Optimal condition for protodolomite synthesis was...

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Bibliographic Details
Published inGEOCHEMICAL JOURNAL Vol. 21; no. 2; pp. 59 - 65
Main Authors Oomori, Tamotsu, Kitano, Yasushi
Format Journal Article
LanguageEnglish
Published Tokyo GEOCHEMICAL SOCIETY OF JAPAN 1987
Geochemical Society of Japan
Subjects
Earth sciences
Earth, ocean, space
Exact sciences and technology
Mineralogy
Silicates
X-ray data
Synthesis
Calcium
Dolomite
Magnesium
Sea water
Chemical ratios
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Summary:Protodolomite was synthesized from sea water containing dioxane by adding 0.4M Na2CO3 solution at 40°C. The presence of dioxane in moderate concentrations (3 to 8vol%) in a parent solution favors the formation of CaCO3(calcite)-MgCO3 solid solution. Optimal condition for protodolomite synthesis was established. The mineral synthesized from sea water containing dioxane was very superior in size and crystallinity as compared to that from highly saline but dioxane-free solutions.
ISSN:0016-7002
1880-5973
DOI:10.2343/geochemj.21.59