Results 121 to 130 of about 7,121 (176)

Anti-Atherogenic Actions of Pomegranate Polyphenol Punicalagin and Its Metabolites: In Vitro Effects on Vascular Cells and In Vivo Atheroprotection by Urolithin A via Anti-Inflammatory and Plaque-Stabilising Mechanisms. [PDF]

Antioxidants (Basel)
Alalawi S, Rifqi D, Alhamadi A, Alotibi R, Alradi F, Alshehri N, Chan YH, Chen J, Albalawi F, Taha S, Al-Mahrami N, Guschina IA, Hughes TR, Ramji DP.   +13 more
europepmc   +1 more source

Biowaste-based hydroxyapatite for bone repair: synthesis from Anadara granosa and Achatina fulica: preliminary study. [PDF]

Braz Oral Res
Anitasari S, Tandirogang N, Budi HS, Shen YK, Yani S, Yuniati Y.   +5 more
europepmc   +1 more source

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The interaction of orthophosphoric acid and fly ash

Resources, Conservation and Recycling, 1993
Abstract Coal combustion fly ash is produced as a byproduct of the burning of pulverized coal. An investigation has been conducted to study the interaction of fly ash and orthophosphoric acid. The work was carried out with two typical fly ashes both in solid phase and in the phosphoric acid solution.
Mustafa Arslan
exaly   +3 more sources

The electrobrightening of copper in orthophosphoric acid

Journal of Applied Electrochemistry, 1979
The electrobrightening of copper in orthophosphoric acid was studied at several electrolyte concentrations, temperatures and current densities. Stress-free electrolytic copper plates were used in a rectangular plexi-glass cell, through which a constant current was passed.
M I Ismail
exaly   +2 more sources

Reaction of synthetic corundum with orthophosphoric acid

Refractories, 1975
It was shown in an Investigation of mixtures of fine-ground electrofused corundum with orthophosphoric acid that at 20–25°C the degree of the reaction of the components is highest during the first four days. During this period only water-soluble acid aluminum phosphates are formed and a significant proportion of the orthophosphoric acid remains ...
L A Tseitlin, S T Balyuk, Z D Zhukova
exaly   +2 more sources

Basalt leaching with orthophosphoric acid

Inorganic Materials, 2009
Basalt leaching with orthophosphoric acid is studied by the method of isothermal dissolution. The total degree of dissolution of basalt and degrees of extraction into solution of separate elements as a function of temperature (20, 100°C), acid concentration (5–40%), and liquid-to-solid ratio are determined.
N P Dergacheva, S V Fomichev, V A Krenev
exaly   +2 more sources

The reaction of kaolin clay with orthophosphoric acid

Refractories, 1977
Orthophosphoric acid reacts with kaolinite clay already at room temperature. The reaction results in the dissociation of some kaolinite and the formation of acid aluminophosphates, its rate is at maximum during the first 4–10 days of the storage of the composition of clay with the acid, and it ceases when the composition is stored for longer periods ...
L A Tseitlin, N V Pitak, S T Balyuk
exaly   +2 more sources

Interaction of basalt with orthophosphoric acid

Russian Journal of Inorganic Chemistry, 2009
Physicochemical modeling is used to study the decomposition of basalt by orthophosphoric acid. The equilibrium compositions of the liquid and solid phases of the Al-Fe-Ca-Mg-Na-Si-P-O-H system are calculated. The effects of the acid concentration and solid-to-liquid ratio on the composition of reaction products and the degrees of extraction of iron ...
N. V. Kochetkova, N. P. Dergacheva, S. V. Fomichev, V. A. Krenev   +3 more
openaire   +1 more source

The Instability of Permanganate in orthophosphoric acid

Zeitschrift für anorganische und allgemeine Chemie, 1970
AbstractSolutions of potassium permanganate in concentrated phosphoric acid (above 50%) are found to be unstable. The oxidation state of manganese is reduced from (VII) to (III) and oxygen is evolved during this process. The extent of decomposition of permanganate is found to be dependent on the concentration of the acid.
T. R. Narayanan Kutty, A. R. Vasudeva Murthy   +1 more
openaire   +1 more source

Modification of clinoptilolite by leaching with orthophosphoric acid

Microporous Materials, 1996
Abstract The most abundant natural zeolite, clinoptilolite, was leached with H 3 PO 4 and then studied by X-ray fluorescence and diffraction, adsorption of NH 3 , thermoprogrammed desorption of NH 3 , 57 Fe Moessbauer and Fourier transform infrared spectroscopies, and by 31 P, 27 Al and 29 Si magic-angle spinning nuclear magnetic resonance.
Carlos de las Pozas, Waclaw Kolodziejski, Rolando Roque-Malherbe   +2 more
openaire   +1 more source