Published 1986
| Version v1
Journal article
Complexonometric determination of hafnium (4) in the presence of europium(3) or tantalum(5)
- 1. Nauchno-Issledovatel'skij Inst. Stabil'nykh Izotopov, Tbilisi (USSR)
Description
Complexonometric determination of hafnium in the presence of Ta or Eu in samples which can be decomposed by acids, i.e. in double borides has been investigated. Initial solutions are prepared by fusing with K2S2O8 excess, the fusion was leached by hot water, H2SOL4 was added and Hf was titrated by complexone 3 in the presence of xylenol orange
Additional details
Additional titles
- Original title (Russian)
- Комплексонометрическое определение гафния(4) в присуствии европия(3) или тантала(5)
Publishing Information
- Journal Title
- Izv. Akad. Nauk Gruz. SSR, Ser. Khim.
- Journal Volume
- 12
- Journal Issue
- 2
- Series
- Izv. Akad. Nauk Gruz. SSR, Ser. Khim.
- Journal Page Range
- 143-145
- CODEN
- IGSKD
INIS
- Country of Publication
- USSR
- Country of Input or Organization
- USSR
- INIS RN
- 18034908
- Subject category
- S37: INORGANIC, ORGANIC, PHYSICAL AND ANALYTICAL CHEMISTRY;
- Descriptors DEI
- COMPLEXOMETRY; EDTA; EUROPIUM BORIDES; HAFNIUM BORIDES; HAFNIUM COMPLEXES; PERSULFATES; POTASSIUM COMPOUNDS; QUANTITATIVE CHEMICAL ANALYSIS; SAMPLE PREPARATION; TANTALUM BORIDES; XYLENOL ORANGE
- Descriptors DEC
- ALKALI METAL COMPOUNDS; AMINO ACIDS; BORIDES; BORON COMPOUNDS; CARBOXYLIC ACIDS; CHELATING AGENTS; CHEMICAL ANALYSIS; COMPLEXES; DYES; EUROPIUM COMPOUNDS; HAFNIUM COMPOUNDS; INDICATORS; ORGANIC ACIDS; ORGANIC COMPOUNDS; OXYGEN COMPOUNDS; RARE EARTH COMPOUNDS; SULFUR COMPOUNDS; TANTALUM COMPOUNDS; TRANSITION ELEMENT COMPLEXES; TRANSITION ELEMENT COMPOUNDS