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Sulphonated metal phthalocyanine complexes as redox indicators in micro titrations with cerium(IV) sulphate

Journal Article:

Abstract

Tetrasodium salts of copper(II) 4,4', 4'', 4'''-tetrasulphophthalocyanine 2-hydrate, nickel(II) 4,4', 4'', 4'''-tetrasulphophthalocyanine, nickel(II) 3,3', 3'', 3'''-tetrasulphophthalocyanine and cobalt(II) 4,4', 4'', 4'''-tetrasulphophthalocyanine 2-hydrate, and copper phthalocyanine trisulphonic acid are prepared in pure state. The molar absorptivity and formal redox potentials of the complexes are determined. The complexes are proposed as sensitive redox indicators in the micro determination of iron(II), arsenic(III), molybdenum(V), uranium(IV) and hydroquinone with 0.001-0.0005N cerium(IV) sulphate in sulphuric, hydrochloric and acetic acid media. They give sharp colour change from light turquoise blue to pale purple colour at the equivalence point. They have advantages over a few existing redox indicators.
Authors:
Gowda, H S; Achar, B N [1] 
  1. Mysore Univ. (India). Dept. of Chemistry
Publication Date:
Jan 01, 1980
Product Type:
Journal Article
Reference Number:
AIX-12-618054; EDB-82-030826
Resource Relation:
Journal Name: Mikrochim. Acta; (Austria); Journal Volume: 2:3-4
Subject:
37 INORGANIC, ORGANIC, PHYSICAL AND ANALYTICAL CHEMISTRY; ARSENIC; TITRATION; COBALT COMPLEXES; REDOX POTENTIAL; COPPER COMPLEXES; IRON; MOLYBDENUM; NICKEL COMPLEXES; PHTHALOCYANINES; SODIUM COMPOUNDS; SULFUR COMPOUNDS; URANIUM; CERIUM SULFATES; INDICATORS; MICROANALYSIS; QUINONES; ACTINIDES; ALKALI METAL COMPOUNDS; AROMATICS; CERIUM COMPOUNDS; COMPLEXES; DYES; ELEMENTS; HETEROCYCLIC COMPOUNDS; METALS; ORGANIC COMPOUNDS; ORGANIC OXYGEN COMPOUNDS; OXYGEN COMPOUNDS; RARE EARTH COMPOUNDS; REFRACTORY METALS; SEMIMETALS; SULFATES; TRANSITION ELEMENT COMPLEXES; TRANSITION ELEMENTS; 400102* - Chemical & Spectral Procedures; 400201 - Chemical & Physicochemical Properties
OSTI ID:
6039137
Country of Origin:
Austria
Language:
English
Other Identifying Numbers:
Journal ID: CODEN: MIACA
Submitting Site:
INIS
Size:
Pages: 301-307
Announcement Date:

Journal Article:

Citation Formats

Gowda, H S, and Achar, B N. Sulphonated metal phthalocyanine complexes as redox indicators in micro titrations with cerium(IV) sulphate. Austria: N. p., 1980. Web. doi:10.1007/BF01196455.
Gowda, H S, & Achar, B N. Sulphonated metal phthalocyanine complexes as redox indicators in micro titrations with cerium(IV) sulphate. Austria. doi:10.1007/BF01196455.
Gowda, H S, and Achar, B N. 1980. "Sulphonated metal phthalocyanine complexes as redox indicators in micro titrations with cerium(IV) sulphate." Austria. doi:10.1007/BF01196455. https://www.osti.gov/servlets/purl/10.1007/BF01196455.
@misc{etde_6039137,
title = {Sulphonated metal phthalocyanine complexes as redox indicators in micro titrations with cerium(IV) sulphate}
author = {Gowda, H S, and Achar, B N}
abstractNote = {Tetrasodium salts of copper(II) 4,4', 4'', 4'''-tetrasulphophthalocyanine 2-hydrate, nickel(II) 4,4', 4'', 4'''-tetrasulphophthalocyanine, nickel(II) 3,3', 3'', 3'''-tetrasulphophthalocyanine and cobalt(II) 4,4', 4'', 4'''-tetrasulphophthalocyanine 2-hydrate, and copper phthalocyanine trisulphonic acid are prepared in pure state. The molar absorptivity and formal redox potentials of the complexes are determined. The complexes are proposed as sensitive redox indicators in the micro determination of iron(II), arsenic(III), molybdenum(V), uranium(IV) and hydroquinone with 0.001-0.0005N cerium(IV) sulphate in sulphuric, hydrochloric and acetic acid media. They give sharp colour change from light turquoise blue to pale purple colour at the equivalence point. They have advantages over a few existing redox indicators.}
doi = {10.1007/BF01196455}
journal = {Mikrochim. Acta; (Austria)}
volume = {2:3-4}
journal type = {AC}
place = {Austria}
year = {1980}
month = {Jan}
}