1962
DOI: 10.1021/je60012a040
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Nature of Calcium Acetate.

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Cited by 17 publications
(24 citation statements)
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“…Lumsden (23) noted that the dihydrate is stable up to T = 357.15 K (T = 356.45 K is given by Broul et al (39) ), calcium acetate monohydrate exists up to T = 331.15 K, (24) and above T = 331.15 K the hemihydrate exists. Panzer (41) postulated that the change from the monohydrate to hemihydrate occurs between T = 311.15 K and T = 339.15 K. Since the solid phase was not analysed in this work, only the temperature of the change, which is about T = 315 K, can be deduced from the solubilities presented here. Solubilities of barium acetate presented here (figure 3) agree relatively well with the results of Krasnicki (1887), (22) Walker and Fyffe (1903), (27) and with measurements at fixed temperatures.…”
Section: Resultsmentioning
confidence: 93%
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“…Lumsden (23) noted that the dihydrate is stable up to T = 357.15 K (T = 356.45 K is given by Broul et al (39) ), calcium acetate monohydrate exists up to T = 331.15 K, (24) and above T = 331.15 K the hemihydrate exists. Panzer (41) postulated that the change from the monohydrate to hemihydrate occurs between T = 311.15 K and T = 339.15 K. Since the solid phase was not analysed in this work, only the temperature of the change, which is about T = 315 K, can be deduced from the solubilities presented here. Solubilities of barium acetate presented here (figure 3) agree relatively well with the results of Krasnicki (1887), (22) Walker and Fyffe (1903), (27) and with measurements at fixed temperatures.…”
Section: Resultsmentioning
confidence: 93%
“…(20,24,26,(41)(42)(43) , respectively, is postulated based on the solubility, X-ray, and thermal analysis measurements. Lumsden (23) noted that the dihydrate is stable up to T = 357.15 K (T = 356.45 K is given by Broul et al (39) ), calcium acetate monohydrate exists up to T = 331.15 K, (24) and above T = 331.15 K the hemihydrate exists.…”
Section: Resultsmentioning
confidence: 99%
“…stored in the Museum for Byzantine Art in Berlin . Although Ca(AcO) 2 ⋅1/2 H 2 O has already been known since 1958 and was subject of several studies, for substance identification by X‐ray powder diffraction (XRPD) only a PDF‐card (019‐0199) evaluated with “low precision” is available and its crystal structure still remains unknown. As the efflorescence phases usually occur in microcrystalline state and as multiphase mixtures, their characterization is not trivial.…”
Section: Figurementioning
confidence: 99%
“…B. auf antiker Keramik von der Athener Agora, auf Molluskenschalen in den Naturkunde‐Sammlungen des British Museum und des Royal Scottish Museum sowie einem Marmorrelief (Abbildung a,b, Abschnitt 2.2. in den Hintergrundinformationen) aus dem Museum für Byzantinische Kunst in Berlin nachgewiesen. Obwohl Ca(AcO) 2 ⋅1/2 H 2 O bereits seit 1958 bekannt ist und Gegenstand etlicher Studien war, existiert für die Identifizierung der Verbindung durch Röntgenbeugung an Pulvern (XRPD) nur eine PDF‐Karte (019‐0199) “geringer Präzision”, die Kristallstruktur ist noch unbekannt. Da die Ausblühungsphasen normalerweise nur in mikrokristallinem Zustand und als Mehrphasenmischung auftreten, ist ihre Charakterisierung nicht trivial.…”
Section: Figureunclassified
“…Die Entdeckung von Tripelhelix‐Motiven analog zu den Kollagen‐Proteinen in einer solch einfachen Verbindung wie Ca(AcO) 2 ⋅1/2 H 2 O ist sehr erstaunlich. Da diese Phase durch Kristallisation auf kalkhaltigen oder porösen Materialien oder durch einfache isotherme Entwässerung von Ca(AcO) 2 ⋅H 2 O erhalten werden kann, ist kein helikaler Präkursor für die Kristallisation nötig. Ca(AcO) 2 ⋅1/2 H 2 O kann jedoch potentiell als einfache zugängliche Präkursorverbindung für zukünftige Arbeiten dienen.…”
Section: Figureunclassified