ANALYTICAL APPLICATIONS OF ARSENAZO III. II. DETERMINATION OF THORIUM, URANIUM, PROTACTINIUM, NEPTUNIUM, HAFNIUM AND SCANDIUM

Journal Article · Wed Jan 01 04:00:00 EST 1964 · Talanta (England)

DOI:https://doi.org/10.1016/0039-9140(64)80003-5· OSTI ID:4070769

Savvin, S B

The particular analytical utility of arsenazo HI is its capacity for forming especially stable complexes with certain elements. This permits determinations to be carried out in strongly acid media (for quinquevalent and quadrivalent elements---Pa, Np(/sup IV/, Th, Zr, Hf, U(/sup IV/)-up to 10 M HCl or H/sub 2/SO/sub 4/), which ensures good reproducibility, ease of working, and little interference by anions. The high sensitivity 10/sup 3/) is a result of the good contrast effect of the reaction (pink yields emerald-green, displacement of the absorption maximum 125 m mu ), the nature of the spectrum, and the possibility of reaching extreme dilutions without dissociation of the complex. (auth)

• Research Organization: Vernadskii Inst. of Geochemistry and Analytical Chemistry, Moscow
• NSA Number: NSA-18-010005
• OSTI ID: 4070769
• Journal Information: Talanta (England), Journal Name: Talanta (England) Vol. Vol: 11; ISSN TLNTA
• Country of Publication: Country unknown/Code not available
• Language: English

Related Subjects

ABSORPTION
ARSENAZO
CHEMISTRY
COLOR
HAFNIUM
HAFNIUM COMPLEXES
HYDROCHLORIC ACID
HYDROXIDES
NAPHTHALENE
NEPTUNIUM
NEPTUNIUM COMPLEXES
ORGANIC NITROGEN COMPOUNDS
ORGANIC SULFUR COMPOUNDS
PHENYL RADICALS
PROTACTINIUM
PROTACTINIUM COMPLEXES
QUANTITATIVE ANALYSIS
SCANDIUM
SCANDIUM COMPLEXES
SOLUTIONS
SULFURIC ACID
THORIUM
THORIUM COMPLEXES
URANIUM
URANIUM COMPLEXES