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High Temperature Material Processes: An International Quarterly of High-Technology Plasma Processes

Published 4 issues per year

ISSN Print: 1093-3611

ISSN Online: 1940-4360

The Impact Factor measures the average number of citations received in a particular year by papers published in the journal during the two preceding years. 2017 Journal Citation Reports (Clarivate Analytics, 2018) IF: 0.4 The Immediacy Index is the average number of times an article is cited in the year it is published. The journal Immediacy Index indicates how quickly articles in a journal are cited. Immediacy Index: 0.1 The Eigenfactor score, developed by Jevin West and Carl Bergstrom at the University of Washington, is a rating of the total importance of a scientific journal. Journals are rated according to the number of incoming citations, with citations from highly ranked journals weighted to make a larger contribution to the eigenfactor than those from poorly ranked journals. Eigenfactor: 0.00005 The Journal Citation Indicator (JCI) is a single measurement of the field-normalized citation impact of journals in the Web of Science Core Collection across disciplines. The key words here are that the metric is normalized and cross-disciplinary. JCI: 0.07 SJR: 0.198 SNIP: 0.48 CiteScore™:: 1.1 H-Index: 20

Indexed in

COBALT(II) CHLORIDE COMPLEXES IN CALCIUM NITRATE TETRAHYDRATE MELT

Volume 5, Issue 4, 2001, 10 pages
DOI: 10.1615/HighTempMatProc.v5.i4.120
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ABSTRACT

In this work a series of spectrophotometric measurements of cobalt(II) chloride in calcium nitrate tetrahydrate melts containing variable amounts of calcium chloride (from 0 to 3.1 mol dm-3) were performed at different temperatures from 40 to 70 °C. The solutions in pure calcium nitrate tetrahydrate showed octahedral co-ordination, the position of the absorption maximum being at 19420 cm-1 (512 nm). Addition of chloride caused a shift of the absorption maximum toward lower energies and a large increase of the absorption coefficient indicating a change from octahedral to tetrahedral or distorted octahedral co-ordination, characteristic for cobalt(II) chloride complexes in aqueous nitrate melts. The position of the absorption maximum of the octahedral and tetrahedral complexes and the values of the molar absorption coefficients indicates some co-ordination also by nitrate ion. Stability constants for [Со(NО3)4]2-, [Со(NО3)2Сl2]2- and [CoCl4]2- and the corresponding resolved species spectra are reported.

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