Simple spectrophotometric determination of total carbonate by re-extraction via ligand exchange using chloroform solutions of uranyl quinolin-8-olate
Journal Article
·
· Anal. Lett.; (United States)
A method based on the decoloration of dilute chloroform solutions of uranyl quinoline-8-olate by shaking with aqueous solution of anions is proposed for the spectrophotometric determination of carbonate. The effects of several variables on the decoloration (pH, shaking time, volume ratio, etc.) were established. The spectral stability of an organic solution of the metal chelate is increased with an excess of quinolin-8-ol in the organic phase, and it avoids its stripping with water. The decoloration of chloroformic solutions varies linearly with the carbonate concentration between 10 and 50 ..mu..g x ml/sup -1/ in the aqueous phase (apparent molar absorptivity is found to be 2.03 x 10/sup 3/ l.mol/sup -1/.cm/sup -1/ at 390 nm). Interferences of many foreign ions (cations and anions) are also established. The method is relatively free from anion interferences.
- Research Organization:
- Univ. of Cadiz (Spain)
- OSTI ID:
- 7256591
- Journal Information:
- Anal. Lett.; (United States), Journal Name: Anal. Lett.; (United States) Vol. 21:4; ISSN ANALB
- Country of Publication:
- United States
- Language:
- English
Similar Records
Spectrophotometric determination of uranium through uranyl/azide system
SPECTROPHOTOMETRIC METHODS FOR THE DETERMINATION OF OSMIUM. III. REACTION OF OSMIUM TETROXIDE WITH 1:5-DIPHENYLCARBOHYDRAZIDE IN AQUEOUS SOLUTIONS FOLLOWED BY EXTRACTION OF THE COMPLEX
SPECTROPHOTOMETRIC DETERMINATION OF CHROMIUM IN URANIUM WITH 8- HYDROXYQUINALDINE
Journal Article
·
Sat Jul 01 00:00:00 EDT 1995
· Analytical Letters
·
OSTI ID:217953
SPECTROPHOTOMETRIC METHODS FOR THE DETERMINATION OF OSMIUM. III. REACTION OF OSMIUM TETROXIDE WITH 1:5-DIPHENYLCARBOHYDRAZIDE IN AQUEOUS SOLUTIONS FOLLOWED BY EXTRACTION OF THE COMPLEX
Journal Article
·
Tue Jan 31 23:00:00 EST 1961
· Talanta (England)
·
OSTI ID:4035439
SPECTROPHOTOMETRIC DETERMINATION OF CHROMIUM IN URANIUM WITH 8- HYDROXYQUINALDINE
Journal Article
·
Tue Jan 31 23:00:00 EST 1961
· Analytical Chemistry (U.S.) Formerly Ind. Eng. Chem., Anal. Ed.
·
OSTI ID:4107026
Related Subjects
37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY
38 RADIATION CHEMISTRY, RADIOCHEMISTRY, AND NUCLEAR CHEMISTRY
400102 -- Chemical & Spectral Procedures
400105* -- Separation Procedures
400702 -- Radiochemistry & Nuclear Chemistry-- Properties of Radioactive Materials
ACTINIDE COMPOUNDS
AQUEOUS SOLUTIONS
AROMATICS
AZAARENES
AZINES
CARBON COMPOUNDS
CARBONATES
CHEMICAL ANALYSIS
CHLORINATED ALIPHATIC HYDROCARBONS
CHLOROFORM
DATA
DISPERSIONS
EXPERIMENTAL DATA
EXTRACTION
HALOGENATED ALIPHATIC HYDROCARBONS
HETEROCYCLIC COMPOUNDS
INFORMATION
LIGANDS
MIXTURES
NUMERICAL DATA
ORGANIC CHLORINE COMPOUNDS
ORGANIC COMPOUNDS
ORGANIC HALOGEN COMPOUNDS
ORGANIC NITROGEN COMPOUNDS
OXYGEN COMPOUNDS
PH VALUE
PYRIDINES
QUANTITATIVE CHEMICAL ANALYSIS
QUANTITY RATIO
QUINOLINES
SEPARATION PROCESSES
SOLUTIONS
SOLVENT EXTRACTION
SOLVENT PROPERTIES
SPECTROPHOTOMETRY
TIME DEPENDENCE
URANIUM COMPOUNDS
URANYL COMPOUNDS
VOLUME
38 RADIATION CHEMISTRY, RADIOCHEMISTRY, AND NUCLEAR CHEMISTRY
400102 -- Chemical & Spectral Procedures
400105* -- Separation Procedures
400702 -- Radiochemistry & Nuclear Chemistry-- Properties of Radioactive Materials
ACTINIDE COMPOUNDS
AQUEOUS SOLUTIONS
AROMATICS
AZAARENES
AZINES
CARBON COMPOUNDS
CARBONATES
CHEMICAL ANALYSIS
CHLORINATED ALIPHATIC HYDROCARBONS
CHLOROFORM
DATA
DISPERSIONS
EXPERIMENTAL DATA
EXTRACTION
HALOGENATED ALIPHATIC HYDROCARBONS
HETEROCYCLIC COMPOUNDS
INFORMATION
LIGANDS
MIXTURES
NUMERICAL DATA
ORGANIC CHLORINE COMPOUNDS
ORGANIC COMPOUNDS
ORGANIC HALOGEN COMPOUNDS
ORGANIC NITROGEN COMPOUNDS
OXYGEN COMPOUNDS
PH VALUE
PYRIDINES
QUANTITATIVE CHEMICAL ANALYSIS
QUANTITY RATIO
QUINOLINES
SEPARATION PROCESSES
SOLUTIONS
SOLVENT EXTRACTION
SOLVENT PROPERTIES
SPECTROPHOTOMETRY
TIME DEPENDENCE
URANIUM COMPOUNDS
URANYL COMPOUNDS
VOLUME