Results 21 to 30 of about 634,976 (287)

Synthesis and study of ferri-diopside ceramic pigments

Voprosy Khimii i Khimicheskoi Tekhnologii, 2022
The article reports the mineralogical composition, structural features and changes in color parameters of iron-containing diopside pigments. The source of SiO2 in these pigments was SiO2nH2O with a particle size in the range of 2–7 m, which is much ...
T. Dimitrov, R. Titorenkova, А. Zaichuk, Y. Tzvetanova   +3 more
semanticscholar   +1 more source

Comparative Study of the Synthesis of a Red Ceramic Pigment Using Microwave Heat Treatment

Colorants, 2023
In this study, a new red ceramic pigment has been developed within a perovskite structure, and microwave heat treatments have been applied. Those red ceramic pigments within the YAlO3 system doped with chromium with the nominal composition Y0.98Al0.98Cr0.
Eva Miguel, Guillermo Paulo-Redondo, Juan Bautista Carda Castelló, Isaac Nebot-Díaz   +3 more
doaj   +1 more source

Thermodynamic analysis of the reactions of diopside phase formation during synthesis of ceramic pigments from granulated blast-furnace slag

Voprosy Khimii i Khimicheskoi Tekhnologii, 2022
The purpose of this study is to perform the thermodynamic analysis of the reactions of diopside phase (CaOMgO2SiO2) formation during the synthesis of ceramic pigments based on the granulated blast-furnace slag.
O. Zaichuk, O. Amelina, Y. Hordieiev, L.L. Rudnieva   +3 more
semanticscholar   +1 more source

Preparation of Palygorskite hybrid iron oxide red pigment and its application in waterborne polyurethane composite coatings and ceramics

Materials Research Express, 2022
Palygorskite (Pal) is a kind of magnesium aluminum silicate clay mineral with a one-dimensional rod and layer chain structure. Herein, Pal hybrid iron oxide red pigment (Pal/ α -Fe _2 O _3 ) was prepared by the grinding method.
Yisen Han, Miao Shan, Yunfei Lu, Songqin Liu   +3 more
doaj   +1 more source

A new series of environment-friendly reddish inorganic pigments based on AFeO3 (A = Ln, Y) with high NIR solar reflectance

Journal of Materiomics, 2021
Environment-friendly pigments based on AFeO3 (A = La, Pr, Nd, Sm, Gd, Tb, Y or Yb) with high near-infrared (NIR) reflectance were synthesised by a coprecipitation method at 1200 °C.
Maria Fortuño-Morte, Pablo Serna-Gallén, Héctor Beltrán-Mir, Eloísa Cordoncillo   +3 more
doaj   +1 more source

Obtención de pigmentos cerámicos de perovskita CaTiO3 dopada con cromo y vanadio por descomposición metal-orgánica (MOD) [PDF]

, 2012
The Metal Organic Decomposition (MOD) route based on the chelation of a solution of metallic salts (usually nitrates) by policarboxylic acid (oxalic and citric), applied to the synthesis of ceramic pigments based on chromium and vanadium doped CaTiO3 ...
Badenes March, José Antonio, CERRO, SARA, Galindo Llorach, Roberto, García López, Araceli, Gargori, Carina, Llusar, Mario, Monrós Tomás, Guillermo   +6 more
core   +3 more sources

Laser-Accelerated proton beams as diagnostics for cultural heritage [PDF]

, 2017
This paper introduces the first use of laser-generated proton beams as diagnostic for materials of interest in the domain of Cultural Heritage. Using laser-accelerated protons, as generated by interaction of a high-power short-pulse laser with a solid ...
ANTICI, PATRIZIO, Barberio, M., SCISCIO', MASSIMILIANO, Veltri, S.   +3 more
core   +1 more source

Clarification of purple cactus pear juice using microfiltration membranes to obtain a solution of betalain pigments

Brazilian Journal of Food Technology, 2015
Summary Betalains are fruit pigments possessing health-giving properties. To isolate the pigments, the juice must be separated from the fruit matrix, which contains biopolymers. The aim of this study was to clarify cactus pear juice by microfiltration to
Cristina VERGARA, Beatriz CANCINO-MADARIAGA, Andrés RAMÍREZ-SALVO, Carmen SÁENZ, Paz ROBERT, Mariane LUTZ   +5 more
doaj   +1 more source

Synthesis of CoAl2O4 by double decomposition reaction between LiAlO2 and molten KCoCl3 [PDF]

, 2008
Submicronic CoAl2O4 powders were prepared by double decomposition reaction between solid LiAlO2 and molten KCoCl3 at 500 ◦C for 24 h. The reaction mechanism involves the dissolution of LiAlO2 shifted by the precipitation of CoAl2O4 until complete ...
Durand, Bernard, Er-Rakho, Lahcen, Guillemet, Sophie, Moussa, R., Ouahdi, Noura, Ouatib, Rachida El, Samdi, Azzeddine   +6 more
core   +2 more sources

Synthesis of pigments of Fe2O3·SiO2 system, with Ca, Mg, or Co oxide additions

Boletín de la Sociedad Española de Cerámica y Vidrio, 2017
The present research work is based on the comparative evaluation of the Ca, Mg, and Co dopant impact on the properties of new ceramic pigments from the system Fe2O3·SiO2 obtained via classical ceramic technology.
Tsvetan Dimitrov, Stephan Kozhukharov, Nikolay Velinov   +2 more
doaj   +1 more source