1911
DOI: 10.1051/radium:0191100807025601
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Sur le rapport entre l'uranium et le radium dans les minéraux actifs

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1911
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Cited by 12 publications
(2 citation statements)
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“…She emphasized the error caused by making corrections for the emanation lost from the uranium minerals before they were actually dissolved, and this correction for some minerals appeared to be quite large (up to 20 percent). 108 She also doubted whether all of the radium emanation would be liberated immediately after the minerals were treated with acid. Some that contained sulfides, when treated with nitric acid, might precipitate as barium and lead sulfates, which again could co-precipitate radium sulfate and result in a loss of radium emanation, leading to incorrect measurements.…”
Section: The Radium-uranium Ratiomentioning
confidence: 99%
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“…She emphasized the error caused by making corrections for the emanation lost from the uranium minerals before they were actually dissolved, and this correction for some minerals appeared to be quite large (up to 20 percent). 108 She also doubted whether all of the radium emanation would be liberated immediately after the minerals were treated with acid. Some that contained sulfides, when treated with nitric acid, might precipitate as barium and lead sulfates, which again could co-precipitate radium sulfate and result in a loss of radium emanation, leading to incorrect measurements.…”
Section: The Radium-uranium Ratiomentioning
confidence: 99%
“…110 Gleditsch admitted that her procedures were elaborate and slow, but she defended them. 111 Furthermore, she pointed out that her critics sometimes used extracts from hydrochloric acid and sometimes from sulfuric acid, which she found to be problematic and even unjustified, for how could one compare directly two quantities of emanation that were extracted differently? She emphasized that "really precise results required that one always ensured that measurements were made under the same conditions."…”
Section: The Radium-uranium Ratiomentioning
confidence: 99%