1956
DOI: 10.1002/zaac.19562870417
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Dichtemessungen. XVIII. Über die Volumenänderung beim Schmelzen und den Schmelzprozeß bei Salzen

Abstract: Es wurden, zum Teil unter Zuhilfenahme einer dilatometrischen Methode für den festen Zustand, die Werte von ΔV beim Schmelzen bei Alkalifluoriden, Lithiumhalogeniden, Silberhalogeniden, Erdalkalichloriden und AlCl3 bestimmt. Die Druckabhängigkeiten der Schmelzpunkte wurden berechnet. Bei der Analyse des gesamten Materials zeigte sich erneut, daß die ΔV‐Werte zunächst in größenordnungsmäßig verschiedene Gruppen eingeteilt werden können, die mit dem Charakter der verschiedenen Salze zusammenhängen. Auch innerhal… Show more

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Cited by 69 publications
(18 citation statements)
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“…Experimental volumes of melting of NaCl at low pressure have been reported for 1 bar (Schinke and Sauerwald, 1956). The only direct measurements of the volume of Table 3 Parameters for halite and liquid NaCl volumetric properties l 0 2.1704 · 10 3 l 1 À2.4599 · 10 À1 l 2 À9.5797 · 10 À5 l 3 5.727 · 10 À3 l 4 2.715 · 10 À3 l 5 733.4 m 0 58443 m 1 23.772 m 2 0.018639 m 3 À1.9687 · 10 À6 m 4 À1.5259 · 10 À5 m 5 5.5058 · 10 À8 Table 2 Abbreviations for phases L Liquid; more generally: single-phase fluid with liquid-like density V Vapor; more generally: single-phase fluid with vapor-like density F Single-phase fluid H Halite melting of halite at higher pressures found in the literature are those by Mok (1993).…”
Section: Volume Of Meltingmentioning
confidence: 99%
“…Experimental volumes of melting of NaCl at low pressure have been reported for 1 bar (Schinke and Sauerwald, 1956). The only direct measurements of the volume of Table 3 Parameters for halite and liquid NaCl volumetric properties l 0 2.1704 · 10 3 l 1 À2.4599 · 10 À1 l 2 À9.5797 · 10 À5 l 3 5.727 · 10 À3 l 4 2.715 · 10 À3 l 5 733.4 m 0 58443 m 1 23.772 m 2 0.018639 m 3 À1.9687 · 10 À6 m 4 À1.5259 · 10 À5 m 5 5.5058 · 10 À8 Table 2 Abbreviations for phases L Liquid; more generally: single-phase fluid with liquid-like density V Vapor; more generally: single-phase fluid with vapor-like density F Single-phase fluid H Halite melting of halite at higher pressures found in the literature are those by Mok (1993).…”
Section: Volume Of Meltingmentioning
confidence: 99%
“…Petitet et al [23] reviewed data about the volume change on melting V related to the volume in the solid state at the melting temperature at atmospheric pressure V s and reported the following V /V s values in percent: 8.3, 9.6, 9.7, 10.0, and 10.7. In this work a value of 9.7 % from Schinke and Sauerwald [24] was assumed (Fig. 5).…”
Section: Density and Thermal Expansionmentioning
confidence: 99%
“…The equation (2) fits astonishingly weil the FeO activity data in slags at 1600°2 4 , but gives positive deviations from ideality which are far too high for sodium ftuoride and potassium chloride mixtures 25 In a mixture where Nsol-= I0- 2 and NAg ~ I0-3 , yAgN0 3 is calculated in astanishing agreement with the experimental value as far as the sign of the deviation and the order of magnitude is concerned ( Table 3). The measurements, however, indicate increasing negative deviations from ideality with increasing temperature and this abnormal behaviour is not explained by the available data.…”
Section: Sal T Mixtures With One Common Ionmentioning
confidence: 61%
“…In the case of regular mixtures (ideal entropy of mixing = random distribution), considering the nearest neighbour interaction effects only, a very similar equation (2) can be derived from a lattice model, where z is the co-ordination number and AE is the energy of the nearest neighbour bond reaction:…”
Section: Sal T Mixtures With One Common Ionmentioning
confidence: 99%