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Blue-violet ceramic pigments based on Co and Mg Co2−xMgxP2O7 diphosphates
dc.contributor.author | Llusar, Mario | |
dc.contributor.author | Zielinska, Agnieszka Tymosiak | |
dc.contributor.author | Tena, M. A. | |
dc.contributor.author | Badenes March, José Antonio | |
dc.contributor.author | Monrós, Guillermo | |
dc.date.accessioned | 2012-10-22T11:17:47Z | |
dc.date.available | 2012-10-22T11:17:47Z | |
dc.date.issued | 2010 | |
dc.identifier | http://dx.doi.org/10.1016/j.jeurceramsoc.2010.03.017 | |
dc.identifier.citation | Journal of the European Ceramic Society, 30, 9, p. 1887-1896 | |
dc.identifier.issn | 9552219 | |
dc.identifier.uri | http://hdl.handle.net/10234/49481 | |
dc.description.abstract | Solid solutions of Co and Mg diphosphates with compositions Co2−xMgxP2O7 (x = 0, 0.1, 0.2, 0.3, 0.5, 0.7, 1.0, 1.5 and 1.8) have been prepared and characterized for the first time as alternative low-toxicity blue ceramic pigments. The compositions were prepared through the conventional coprecipitation route and calcined up to 1000 °C/2 h. Samples were characterized by thermal analysis, XRD, SEM/EDX, UV–vis-NIR spectroscopy and colour measurements (CIE-L*a*b*). Isostructural Co2−xMgxP2O7 diphosphate solid solutions (monoclinic system and P21/c spatial group) formed successfully within the studied range of compositions, accompanied only by a minor quantity of residual Co or Mg orthophosphates (M3(PO4)2). Interestingly, the obtained solid solutions developed nice blue-violet colourations even with high Mg doping after enamelling within double-firing (x = 1.5–1.8) and single-firing (x = 1.0–1.5) ceramic glasses. These optimal compositions containing a minimized Co amount (measured values around 7–16 wt%) could be therefore less toxic alternatives to the conventional Co3(PO4)2 blue ceramic pigment. | |
dc.language.iso | eng | |
dc.publisher | Elsevier | |
dc.rights.uri | http://rightsstatements.org/vocab/InC/1.0/ | * |
dc.subject | A. Sol-gel processes | |
dc.subject | Blue ceramic pigments | |
dc.subject | C. Colour | |
dc.subject | C. Optical Properties | |
dc.subject | Phosphates | |
dc.title | Blue-violet ceramic pigments based on Co and Mg Co2−xMgxP2O7 diphosphates | |
dc.type | info:eu-repo/semantics/article | |
dc.identifier.doi | http://dx.doi.org/10.1016/j.jeurceramsoc.2010.03.017 | |
dc.rights.accessRights | info:eu-repo/semantics/restrictedAccess |
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