1909
DOI: 10.1002/ange.19090221104
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Die Bestimmung des Thoriums im Monazitsand

Abstract: I n den Monaten Januar und Februar ist folgendes Neue eingelaufen: Aktiengesellaehaft fur Anilinfabrikatiun, Berlin. C o l u m b i a g r u n G, B und 3 R. Drei neue direkte Baumwollfarbstoffe, die sich von den alteren Columbiagrunmarken durch lebhaftere Nuance unterscheiden, in den iibrigen Eigenschaften aber mit diesen ubereinstimmen. C h r o m o x a 1 g r ii n B, ein chromierbarer Wollfarbstoff von hervorragender Licht-, Wetterund Walke~ht~heit, fiir alle Zweige der Wollechtfarberei geeignet,. C h r o m e c … Show more

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Cited by 8 publications
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“…It is obvious that while thorium oxalate is by far the most soluble, appreciable quantities of rare earth oxalates, particularly those of the yttrium earths, may be expected to dissolve. The solubility of thorium oxalate as a function of ammonium oxalate concentration has been determined by Hauser and Wirth (106). Expressed as grams of Th02 per 100 ml.…”
Section: Separation Of Thorium From Other Elementsmentioning
confidence: 99%
See 1 more Smart Citation
“…It is obvious that while thorium oxalate is by far the most soluble, appreciable quantities of rare earth oxalates, particularly those of the yttrium earths, may be expected to dissolve. The solubility of thorium oxalate as a function of ammonium oxalate concentration has been determined by Hauser and Wirth (106). Expressed as grams of Th02 per 100 ml.…”
Section: Separation Of Thorium From Other Elementsmentioning
confidence: 99%
“…No separation from the rare earth elements or yttrium is effected, but the method may be applied to the estimation of thorium in the presence of zirconium because of the non-precipitation of the latter element. Because of the marked solubility of thorium oxalate in strongly acidic solutions (106), reasonably rigid acidity control is essential for quantitative recovery. Owing to its solvent effect upon thorium oxalate, ammonium oxalate is not a suitable precipitant.…”
Section: Quantitative Estimation Of Thoriummentioning
confidence: 99%