2,7-BIS-(4-CHLORO-2-PHOSPHONBENZENE-AZO)-1,8-DIHYDROXYNAPHTHALENE-3,6- DISULPHONIC ACID (CHLOROPHOSPHONAZO)III. A NEW REAGENT FOR THE PHOTOMETRIC DETERMINATION OF URANIUM (in Russian)
Journal Article
·
· Zhur. Anal. Khim.
OSTI ID:4006090
A new highly sensitive reagent for the photometric determination of U/ sup 6+/-chlorophosphonazo III is suggested. The molar absorptivity for solutions of uranium-reagent compound at 670 m mu is 78600. Due to the high stability of the colored compound formed, it is possible to determine U/sup 6+/ in the presence of large quantities of fluorides, phosphates, and oxalates. Sulfates, tartrates, and ethylenediaminetetraacetic acid do not interfere in any quantities. A method was devised for the direct photometric determination of uranium in zirconium alloys using Na/sub 2/SiF/sub 6/ to eliminate the interference of zirconium. The synthesis of chlorophosphonazo III is described. (auth)
- Research Organization:
- Vernadskii Inst. of Geochemistry and Analytical Chemistry, Academy of Sciences, Moscow
- NSA Number:
- NSA-15-019339
- OSTI ID:
- 4006090
- Journal Information:
- Zhur. Anal. Khim., Journal Name: Zhur. Anal. Khim. Vol. Vol: 16
- Country of Publication:
- Country unknown/Code not available
- Language:
- Russian
Similar Records
2-(4-CHLOR-2-PHOSPHONBENZENEAZO)-1,8-DIHYDROXYNAPHTHALENE-3,6-DISULPHONIC ACID (CHLOROPHOSPHONAZO I)-AS A REAGENT FOR THE PHOTOMETRIC DETERMINATION OF URANIUM(VI)
APPLICATIONS OF CHLOROPHOSPHONAZO (III) IN PHOTOMETRIC DETERMINATION OF PENTAVALENT ACTINIDE ELEMENTS. I. DETERMINATION OF NEPTUNIUM
Spectrophotometric determination of uranium(VI) with chlorophosphonazo-mN by flow injection analysis
Journal Article
·
Mon May 01 00:00:00 EDT 1961
· Zhur. Anal. Khim.
·
OSTI ID:4839089
APPLICATIONS OF CHLOROPHOSPHONAZO (III) IN PHOTOMETRIC DETERMINATION OF PENTAVALENT ACTINIDE ELEMENTS. I. DETERMINATION OF NEPTUNIUM
Journal Article
·
Sun Dec 31 23:00:00 EST 1961
· Radiokhimiya (U.S.S.R.) For English translation see Sov. Radiochem. (Engl. Transl.)
·
OSTI ID:4723488
Spectrophotometric determination of uranium(VI) with chlorophosphonazo-mN by flow injection analysis
Journal Article
·
Fri Jul 01 00:00:00 EDT 1994
· Analytical Letters
·
OSTI ID:54517
Related Subjects
ABSORPTION
CHEMISTRY
CHLORINE COMPOUNDS
COLOR
COMPOUNDS
DYES
EDTA
FLUORIDES
ORGANIC ACIDS
ORGANIC NITROGEN COMPOUNDS
ORGANIC PHOSPHORUS COMPOUNDS
OXALATES
PHOSPHATES
PHOSPHORUS COMPOUNDS
PHOTOMETRY
PREPARATION
QUANTITATIVE ANALYSIS
SOLUTIONS
STABILITY
SULFATES
TARTARIC ACID
URANIUM
URANIUM COMPLEXES
ZIRCONIUM ALLOYS
CHEMISTRY
CHLORINE COMPOUNDS
COLOR
COMPOUNDS
DYES
EDTA
FLUORIDES
ORGANIC ACIDS
ORGANIC NITROGEN COMPOUNDS
ORGANIC PHOSPHORUS COMPOUNDS
OXALATES
PHOSPHATES
PHOSPHORUS COMPOUNDS
PHOTOMETRY
PREPARATION
QUANTITATIVE ANALYSIS
SOLUTIONS
STABILITY
SULFATES
TARTARIC ACID
URANIUM
URANIUM COMPLEXES
ZIRCONIUM ALLOYS