Category: 17927-65-0

Related Products of 17927-65-0. The fused heterocycle is formed by combining a benzene ring with a single heterocycle, or two or more single heterocycles. Compound: Aluminum(III) sulfate xhydrate, is researched, Molecular Al2H8O13S3, CAS is 17927-65-0, about Dielectric measurements in the early stages of hardening of monomineral binders. Author is Svatovskaya, L. B.; Shiballo, V. G..

The dielec. permeability ε of cement hardening systems decreased immediately after preparing suspensions and condensation structures with water were formed having a lower ε. At the end of the hardening process, ε remained constant Because only a small part of the water was chem. bound, the decrease in ε could be connected with the orientation effect. The curves of dielec. losses of the hardening pastes had a complex cyclic character. According to crystallo-optical data, the cyclic character was connected with changes in the phase composition of 3CaO.Al2O3,3CaO.SiO2, and Al2(SO4)3 hydrates and in the 3CaO.Al2O3 + CaSO4 system with the discontinuities of hydrated sulfate aluminate and hydrated aluminate layers.

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Most of the natural products isolated at present are heterocyclic compounds, so heterocyclic compounds occupy an important position in the research of organic chemistry. A compound: 17927-65-0, is researched, SMILESS is O=S(O)(O)=O.O=S(O)(O)=O.O=S(O)(O)=O.[H]O[H].[Al].[Al], Molecular Al2H8O13S3Journal, Yogyo Kyokaishi called Synthesis of hexagonal plate-like α-alumina crystals by using hydrated aluminum sulfate as the starting material, Author is Daimon, Keiji; Kato, Etsuro, the main research direction is alumina alpha preparation particle size; sulfate aluminum dehydration thermolysis.Product Details of 17927-65-0.

Hexagonal plate-like α-Al2O3 crystal was prepared by dehydration of Al2(SO4)3.14-18 H2O (I) at 300° for 24 h or at 200° under reduced pressure, followed by the formation of η-Al2O3, by heating the anhydrous Al2(SO4)3 at 900° for 4 h and finally by mixing with 25% weight AlF3 and heating in Pt tube at 900-1200°. The particle size distribution of α-Al2O3 was wider for the I dehydrated at 200° under reduced pressure than for the I which was dehydrated by evaporation after it was dissolved in water. The particle size of α-Al2O3 obtained by 900° heat-treatment was greater than that obtained by 1100° heat-treatment.

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Ornek, Dogan; Gurkan, Turker; Oztin, Cevdet published an article about the compound: Aluminum(III) sulfate xhydrate( cas:17927-65-0,SMILESS:O=S(O)(O)=O.O=S(O)(O)=O.O=S(O)(O)=O.[H]O[H].[Al].[Al] ).Quality Control of Aluminum(III) sulfate xhydrate. Aromatic heterocyclic compounds can be classified according to the number of heteroatoms or the size of the ring. The authors also want to convey more information about this compound (cas:17927-65-0) through the article.

A prilling technique was used to produce droplets of aluminum sulfate hydrates in the size range of 2-2.5mm. Production of spherical particles of aluminum sulfate hydrates by using a prilling technique has never been studied, nor carried out. The effects of the orifice geometry and hydrostatic head on drop formation were measured. The flow rates of hydrated aluminum sulfate melt through bores of 0.08 and 0.11 cm were measured for liquid heads of 10-100 cm. It was found that the break-up of a liquid jet produced particles in the size range 2.0-2.5 mm with a 0.8 mm orifice. The modified Meister and Scheele correlation, which is the first application on a high viscous fluid in air system, was found to be satisfactory for estimating the particle size obtained by the jet break-up mechanism.

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Most of the compounds have physiologically active properties, and their biological properties are often attributed to the heteroatoms contained in their molecules, and most of these heteroatoms also appear in cyclic structures. A Journal, Journal of Materials Science called Raman microscopy study of basic aluminum sulfate, Author is Kloprogge, J. T.; Frost, R. L., which mentions a compound: 17927-65-0, SMILESS is O=S(O)(O)=O.O=S(O)(O)=O.O=S(O)(O)=O.[H]O[H].[Al].[Al], Molecular Al2H8O13S3, Computed Properties of Al2H8O13S3.

The tridecameric Al Keggin cluster [AlO4Al12(OH)24(H2O)12]7+ was prepared by forced hydrolysis of Al3+ up to an OH/Al molar ratio of 2.2. Upon addition of sulfate the tridecamer crystallized as the monoclinic basic aluminum sulfate Na0.1[AlO4Al12(OH)24(H2O)12](SO4)3.55. These crystals were studied using FT-Raman microscopy and compared to basic aluminum nitrate, Na2SO4.xH2O and Al2(SO4)3.xH2O. The Raman spectrum of basic aluminum sulfate is dominated by two broad bands which are assigned to the ν1 and ν3 bands at 981 and 1051 cm-1 of the sulfate group in the Al13 sulfate structure. Also the band at 724 cm-1 is assigned to an Al-O mode of the polymerized Al-O-Al bonds in the Al13 Keggin structure. The sharp band at 1066 cm-1 and the minor band at 1384 cm-1 are interpreted as a small amount of nitrate impurity on a different position in the structure than the nitrate present in the Al13 nitrate crystal structure, based on the shift in band position of both the ν1 sym. stretching and ν3 asym. stretching modes.

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Computed Properties of Al2H8O13S3. So far, in addition to halogen atoms, other non-metallic atoms can become part of the aromatic heterocycle, and the target ring system is still aromatic. Compound: Aluminum(III) sulfate xhydrate, is researched, Molecular Al2H8O13S3, CAS is 17927-65-0, about Alumina-coated hollow glass spheres/alumina composites.

Coating of alumina onto the surface of hollow glass spheres was accomplished by controlled heterogeneous precipitation from aqueous solutions The processing conditions were optimized to yield thin and uniform precursor coatings. After calcination, converting the precursor to alumina, the alumina-coated hollow glass spheres formed free-flowing powders that were used to produce glass sphere/alumina matrix composites with up to 35 vol% of controlled and well-dispersed closed porosity. The dielec. constants and the flexural strengths of such porous composites were determined as a function of porosity.

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The reaction of an aromatic heterocycle with a proton is called a protonation. One of articles about this theory is 《Equilibria among double sulfates and aqueous solutions of sulfuric acid of various concentrations. I.》. Authors are Montemartini, C.; Losana, L..The article about the compound:Aluminum(III) sulfate xhydratecas:17927-65-0,SMILESS:O=S(O)(O)=O.O=S(O)(O)=O.O=S(O)(O)=O.[H]O[H].[Al].[Al]).COA of Formula: Al2H8O13S3. Through the article, more information about this compound (cas:17927-65-0) is conveyed.

Because of the lack of systematic data in the literature on the solubility of sulfates in aqueous H2SO4, a study of double sulfate-H2SO4-water systems was begun with a study of the simple systems containing only a single sulfate. The exptl. data include the dilation of Al2(SO4)3.18H2O, Al2(SO4)3.Na2SO4.24H2O, Cr2(SO4)3.K2SO4.24H2O, AlCl3.6H2O, Al(NO3)3.18H2O, Cr(NO3)3.9H2O, Fe2(SO4)3 and Fe2(SO4)3.K2SO4.24H2O solutions as a function of temperature, the time required for such solutions after being heated to return to their original state, as judged by e. m. f. and internal friction determinations, and the solubility of Al2(SO4)3.18H2O, of Al2(SO4)3.Na2SO4.24H2O and of Cr2(SO4)3.K2SO4.24H2O in aqueous H2SO4 of various concentrations Data for all these determinations are given in graphical form.

If you want to learn more about this compound(Aluminum(III) sulfate xhydrate)COA of Formula: Al2H8O13S3, you may wish to communicate with the author of the article,or consult the relevant literature related to this compound(17927-65-0).

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Pradhananga, Trinetra M.; Matsuo, Sadao published an article about the compound: Aluminum(III) sulfate xhydrate( cas:17927-65-0,SMILESS:O=S(O)(O)=O.O=S(O)(O)=O.O=S(O)(O)=O.[H]O[H].[Al].[Al] ).Product Details of 17927-65-0. Aromatic heterocyclic compounds can be classified according to the number of heteroatoms or the size of the ring. The authors also want to convey more information about this compound (cas:17927-65-0) through the article.

The D/H fractionation factors (α) of some of the sulfate hydrate-H2O systems were measured. A dependence of α on cationic parameters and M-H2O distance was found. The D/H fractionation factors of various hydrate-water systems were divided into 2 groups with respect to their α values: one having α < 1 and the other α > 1. There is almost no change in α for crystal-H2O systems having SO42- as the anion of the 1st transition metal ion series from Fe2+ to Zn2+, except for Cu2+. This is related to the common structure of the hydration sphere of cations and the common distance of M-H2O. The exceptional case for Cu2+ is attributed to the distorted structure of octahedra surrounding Cu2+. A similar type of behavior of protons leading to the residual entropy was found in some of the crystal-H2O systems having α > 1.

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Heterocyclic compounds can be divided into two categories: alicyclic heterocycles and aromatic heterocycles. Compounds whose heterocycles in the molecular skeleton cannot reflect aromaticity are called alicyclic heterocyclic compounds. Compound: 17927-65-0, is researched, Molecular Al2H8O13S3, about Adsorbing power of metal hydrates. 1, the main research direction is metal hydrate adsorbent water purification.Synthetic Route of Al2H8O13S3.

The adsorption capacity of metal hydrates is, in some cases, greater than that of activated carbon. The compounds, which are obtained from inorganic polyelectrolyte coagulants, are affected by SO42- and by the degree of flocculation and coagulation of the waters.

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The reaction of an aromatic heterocycle with a proton is called a protonation. One of articles about this theory is 《The thermal decomposition of the hydrates, nitrates and oxide of aluminum》. Authors are Parravano, N.; Malquori, G..The article about the compound:Aluminum(III) sulfate xhydratecas:17927-65-0,SMILESS:O=S(O)(O)=O.O=S(O)(O)=O.O=S(O)(O)=O.[H]O[H].[Al].[Al]).Recommanded Product: 17927-65-0. Through the article, more information about this compound (cas:17927-65-0) is conveyed.

Al(NO3)3.6H2O is formed when Al(NO3)3.9H2O is maintained at ordinary temperature over P2O5 in vacuo, or by repeated treatment of Al(NO3)3.9H2O with hot HNO3.H2O. Al(NO3)3.6H2O has already been prepared in other ways (cf. Inamura, Mem. Coll. Sci. Kyoto 4, 105(1919); C. A. 14, 2451). A new hydrate, Al(NO3)3.4H2O, was prepared by maintaining Al(NO3)3.6H2O in contact with excess N2O5 at ordinary temperature for 12 h. It remains unaltered up to 180°, at which temperature it decomposes to Al2O3, N2O5 and H2O. The thermal decomposition curve of Al(NO3)3.9H2O showed breaks at 73.5°, 140° and 200°, corresponding to fusion and conversion to Al(NO3)3.6H2O, to decomposition of the latter to the basic salt, 4Al2O3.3N2O5. 14H2O, and to decomposition of the latter to Al2O3. The curve of AlCl3.6H2O showed breaks at 122° and at 180°, the latter corresponding to decomposition of Al2O3. Al2(SO4)3.18H2O behaves differently. At 105° it becomes anhydrous and at 760° the Al2(SO4)3 decomposes to Al2O3 and SO3. Samples from various sources of Al2O3 containing different proportions of H2O of hydration were then heated, and the curves were compared with those of gibbsite, diaspore and bauxite. The results were complicated and difficult of interpretation but indicate that the breaks in the curve which were observed were caused by the formation of lower hydrates of definite chem. composition and (2) by adsorption phenomena.

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Most of the natural products isolated at present are heterocyclic compounds, so heterocyclic compounds occupy an important position in the research of organic chemistry. A compound: 17927-65-0, is researched, SMILESS is O=S(O)(O)=O.O=S(O)(O)=O.O=S(O)(O)=O.[H]O[H].[Al].[Al], Molecular Al2H8O13S3Journal, Cement and Concrete Research called Solid solution between Al-ettringite and Fe-ettringite (Ca6[Al1-xFex(OH)6]2(SO4)3·26H2O), Author is Moschner, Goril; Lothenbach, Barbara; Winnefeld, Frank; Ulrich, Andrea; Figi, Renato; Kretzschmar, Ruben, the main research direction is solid solution aluminum iron ettringite phase composition.Category: isothiazole.

The solid solution between Al- and Fe-ettringite Ca6[Al1-xFex(OH)6]2(SO4)3·26H2O was investigated. Ettringite phases were synthesized at different Al/(Al + Fe)-ratios (= XAl,total), so that XAl increased from 0.0 to 1.0 in 0.1 unit steps. After 8 mo of equilibration, the solid phases were analyzed by X-ray diffraction (XRD) and thermogravimetric anal. (TGA), while the aqueous solutions were analyzed by inductively coupled plasma optical emission spectroscopy (ICP-OES) and inductively coupled plasma mass spectrometry (ICP-MS). XRD analyses of the solid phases indicated the existence of a miscibility gap between XAl,total = 0.3-0.6. Some of the XRD reflections showed two overlapping peaks at these molar ratios. The composition of the aqueous solutions, however, would have been in agreement with both, the existence of a miscibility gap or a continuous solid solution between Al- and Fe-ettringite, based on thermodn. modeling, simulating the exptl. conditions.

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