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Investigations on the formation of cobalt thiomolybdates

Journal Article:

Abstract

The reactions between Co/sup 2 +/ and different thiomolybdate anions (MoS/sup 2 -//sub 4/, Mo/sub 4/S/sup 6 -//sub 15/, Mo/sub 2/S/sup 2 -//sub 7/ and Mo/sub 4/S/sup 2 -//sub 13/) have been investigated by means of glass electrode and conductometric titrations between the reactants at several concentrations. The results provide definite evidence for the formation of CoS.MoS/sub 3/ and 3CoS.4MoS/sub 3/ around pH 7.1 and 5.9, respectively. The titrations of cobalt chloride with Na/sub 2/S.2MoS/sub 3/ and Na/sub 2/S.4MoS/sub 3/ failed to provide any dependable results for the formation of the corresponding cobalt thiomolybdates. The accuracy and reproducibility of these titrations are of high order. Analytical investigations of these compounds have also been carried out and substantiate the results of the pH and conductometric measurements.
Authors:
Prasad, S [1] 
  1. Paraiba Univ., Joao Pessoa (Brazil). Dept. de Engenharia Quimica
Publication Date:
Jun 01, 1984
Product Type:
Journal Article
Reference Number:
AIX-15-071776; EDB-85-004646
Resource Relation:
Journal Name: Cienc. Cult. (Sao Paulo); (Brazil); Journal Volume: 36:6
Subject:
37 INORGANIC, ORGANIC, PHYSICAL AND ANALYTICAL CHEMISTRY; COBALT COMPLEXES; CHEMICAL ANALYSIS; CHEMICAL PREPARATION; ACCURACY; CHLORIDES; DIAGRAMS; ELECTRIC CONDUCTIVITY; MOLYBDATES; ORGANIC SULFUR COMPOUNDS; PH VALUE; TITRATION; CHLORINE COMPOUNDS; COMPLEXES; ELECTRICAL PROPERTIES; HALIDES; HALOGEN COMPOUNDS; MOLYBDENUM COMPOUNDS; ORGANIC COMPOUNDS; OXYGEN COMPOUNDS; PHYSICAL PROPERTIES; REFRACTORY METAL COMPOUNDS; SYNTHESIS; TRANSITION ELEMENT COMPLEXES; TRANSITION ELEMENT COMPOUNDS; 400102* - Chemical & Spectral Procedures; 400201 - Chemical & Physicochemical Properties
OSTI ID:
6322289
Country of Origin:
Brazil
Language:
English
Other Identifying Numbers:
Journal ID: CODEN: CCUPA
Submitting Site:
HEDB
Size:
Pages: 992-994
Announcement Date:

Journal Article:

Citation Formats

Prasad, S. Investigations on the formation of cobalt thiomolybdates. Brazil: N. p., 1984. Web.
Prasad, S. Investigations on the formation of cobalt thiomolybdates. Brazil.
Prasad, S. 1984. "Investigations on the formation of cobalt thiomolybdates." Brazil.
@misc{etde_6322289,
title = {Investigations on the formation of cobalt thiomolybdates}
author = {Prasad, S}
abstractNote = {The reactions between Co/sup 2 +/ and different thiomolybdate anions (MoS/sup 2 -//sub 4/, Mo/sub 4/S/sup 6 -//sub 15/, Mo/sub 2/S/sup 2 -//sub 7/ and Mo/sub 4/S/sup 2 -//sub 13/) have been investigated by means of glass electrode and conductometric titrations between the reactants at several concentrations. The results provide definite evidence for the formation of CoS.MoS/sub 3/ and 3CoS.4MoS/sub 3/ around pH 7.1 and 5.9, respectively. The titrations of cobalt chloride with Na/sub 2/S.2MoS/sub 3/ and Na/sub 2/S.4MoS/sub 3/ failed to provide any dependable results for the formation of the corresponding cobalt thiomolybdates. The accuracy and reproducibility of these titrations are of high order. Analytical investigations of these compounds have also been carried out and substantiate the results of the pH and conductometric measurements.}
journal = {Cienc. Cult. (Sao Paulo); (Brazil)}
volume = {36:6}
journal type = {AC}
place = {Brazil}
year = {1984}
month = {Jun}
}