Boron isotope fractionation accompanying boron mineral formation from aqueous boric acid-sodium hydroxide solutions at 25°C

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Authors:Oi, Takao; Kato, Junpei; Ossaka, Tomoko; Kakihana, Hidetake
Author Affiliations:Primary:
Sophia Univ., Dep. Chem., Tokyo, Japan
Volume Title:Geochemical Journal
Source:Geochemical Journal, 25(5), p.377-385. Publisher: Geochemical Society of Japan, Nagoya, Japan. ISSN: 0016-7002
Publication Date:1991
Note:In English. 20 refs.; 5 tables
Summary:Boron minerals were precipitated from pH- and chemical composition- controlled aqueous solutions of boric acid-sodium hydroxide at 25 degrees C. Borax and sassolite were synthesized from the solutions, the latter phase being accompanied by sborgite in one experimental run. Borax was obtained from the solutions with relatively higher pH as compared to the conditions for precipitation of sassolite. Boron isotope fractionation accompanying the mineral deposits was also measured, the results of which are generally consistent with the theoretical prediction. [T.I.]
Subjects:Aqueous solutions; B-11/B-10; Boron; Geochemistry; Isotopes; Mineral inventory; Minerals; PH; Stable isotopes; Boron minerals; Fractionation
Abstract Numbers:93M/623
Record ID:1992037467
Copyright Information:GeoRef, Copyright 2019 American Geosciences Institute. Reference includes data from Mineralogical Abstracts, United Kingdom, Twickenham, United Kingdom
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