PHOTOCOLORIMETRIC DETERMINATION OF ZIRCONIUM BY MEANS OF MORIN
Journal Article
·
· Chemicke Listy (Czechoslovakia)
OSTI ID:4234832
In an acid medium Zr/sup 4+/ forms with morin (I) a soluble lake of lemon-yellow color which is suitable for photometric determination of Zr. Intensity of coloration of the lake in 0.4 to 0.7 N HCl does not depend on concentraiion of H/sup 4/, but at high temperature and prolonged standing it increases and reaches a maximum after 1 hour. With 0 to 0.5 mg Zr per 100 ml solution the law of Beer holds. Morin is prepared as a 0.2% solution in CH/sub 3/ OH; 1 ml of this solution is used. (auth)
- Research Organization:
- Originating Research Org. not identified
- NSA Number:
- NSA-13-018961
- OSTI ID:
- 4234832
- Journal Information:
- Chemicke Listy (Czechoslovakia), Journal Name: Chemicke Listy (Czechoslovakia) Vol. Vol: 51; ISSN CHLSA
- Country of Publication:
- Country unknown/Code not available
- Language:
- English
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