The Coprecipitation of Yttrium with Calcium Oxalate
نویسندگان
چکیده
منابع مشابه
Effect of citrate on the urinary excretion of calcium and oxalate: relevance to calcium oxalate nephrolithiasis.
Studies in 24 recurrent oxalate stone-formers have shown that values for urinary calcium excretion for this group on at-home diets vary significantly (P less than 0.001) more than values for creatinine excretions. By placing stone-formers on controlled in-hospital diets and measuring their calcium excretions, we were able to predict probable outpatient hypercalciuria (greater than 7.5 mmol/day)...
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Background: It was suggested that dietary patterns might play a role in the pathogenesis of nephrolithiasis. The aim of this study was to determine the relationship between dietary patterns and the occurrence of calcium oxalate kidney stone disease. Methods: A case-control study was conducted on 634 male and female participants aged 18-65 in Tehran using a convenient sampling method. The partic...
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The powder and compact characteristics as well as the sintering behaviour of two Ce02-G&03 compositions prepared by the oxalate coprecipitation method are studied as a function of the powder particle size and the pore-size distribution in the powder compacts. Shrinkage was measured at a constant heating rate and the results are compared with those obtained by isothermal sintering experiments. G...
متن کاملPreparation of yttrium metal by reduction of yttrium trifluoride with calcium
The preparation of yttrium metal by the reduction of yttrium trifluoride with calcium is described. Alternate methods employing the formation of a low melting Y-Zn or Y-Mg intermediate alloy are evaluated and data on chemical and microscopic purity of the resulting metal are presented.
متن کاملRapid Communication: relative effect of urinary calcium and oxalate on saturation of calcium oxalate.
BACKGROUND The study compared the effect of urinary calcium with that of oxalate on urinary saturation [relative saturation ratio (RSR)] of calcium oxalate. METHODS A retrospective data analysis was conducted on urinary stone risk analysis from 667 patients with predominantly calcium oxalate stones. Urinary RSR of calcium oxalate was individually calculated using Equil 2. A "theoretical" curv...
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ژورنال
عنوان ژورنال: Bulletin of the Chemical Society of Japan
سال: 1964
ISSN: 0009-2673,1348-0634
DOI: 10.1246/bcsj.37.1610