Abstract: A chlorine fluoride feeding device and feeding process are provided that can stably generate industrially applicable chlorine fluoride (ClF), control flow rate, and provide continual feed. The feeding process of chlorine fluoride of this invention is a feeding process to feed chlorine fluoride generated by loading a gas that contains fluorine atoms and a gas that contains chlorine atoms to a flow-type heat reactor or a plasma reactor, and it can stably generate and safely feed chlorine fluoride for a long time by reacting chlorine fluoride that is difficult to pack at a high pressure, such that an amount that can be packed in a gas container such as a gas cylinder is limited, with two or more types of gas materials that can be packed safely in a gas container by liquefaction, or with such gas material and a solid material.

Abstract: Described herein are methods for the bromine-facilitated synthesis of fluoro-sulfur compounds, that include SF4, SF5Cl, SF5Br and SF6. The methods described herein generally require lower temperature and pressure, produce higher yields, require less time, do not use corrosive or costly reactants and solvents that are commonly used in the synthesis of the fluoro-sulfur compounds, and do not produce deleterious waste products when compared to previously-used methods.

Abstract: Described herein are methods for the bromine-facilitated synthesis of fluoro-sulfur compounds, that include SF4, SF5Cl, SF5Br and SF6. The methods described herein generally require lower temperature and pressure, produce higher yields, require less time, do not use corrosive or costly reactants and solvents that are commonly used in the synthesis of the fluoro-sulfur compounds, and do not produce deleterious waste products when compared to previously-used methods.

Abstract: Described herein are methods for the bromine-facilitated synthesis of fluoro-sulfur compounds, that include SF4, SF5Cl, SF5Br and SF6. The methods described herein generally require lower temperature and pressure, produce higher yields, require less time, do not use corrosive or costly reactants and solvents that are commonly used in the synthesis of the fluoro-sulfur compounds, and do not produce deleterious waste products when compared to previously-used methods.

Abstract: A mixed halide scintillator material including a fluoride is disclosed. The introduction of fluorine reduces the hygroscopicity of halide scintillator materials and facilitates tuning of scintillation properties of the materials.

Abstract: An IF7-derived iodine fluoride compound recovery method includes putting gas containing IF7 into contact with a material to be fluorinated, thereby converting the IF7 into IF5; and cooling gas containing the IF5, thereby trapping the IF5 as an IF7-derived iodine fluoride compound. The recovered IF5 may be reacted with fluorine to generate IF7, which may be reused for a semiconductor production process.

Abstract: A mixed halide scintillator material including a fluoride is disclosed. The introduction of fluorine reduces the hygroscopicity of halide scintillator materials and facilitates tuning of scintillation properties of the materials.

Abstract: In a non-aqueous electrolyte secondary battery, in order to adjust a cathode active material in which guest cation such as Na and Li is included, alkaline metal fluoride which is expressed by a general formula AF and transition metal fluoride which is expressed by a formula M? F2 are subjected to a mechanical milling process to produce metal fluoride compound AM? F3. The mechanical milling process desirably uses a planetary ball mill.

Abstract: The present invention describes a process for the synthesis of a iodinating agent, being said iodinating agent iodine chloride (ICI.) In particular, the present invention relates to a process for the electrochemical preparation of ICI, as a useful iodinating agent in the preparation of iodinated organic compounds for use as contrast agents or their precursors in the synthesis of the same.

Abstract: Disclosed is a method for producing an oxygen-containing halogenated fluoride, wherein a gas-liquid reaction is used. This method is a method for producing an oxygen-containing halogenated fluoride represented by the general formula: XOmF (where X represents a halogen atom (Cl, Br or I) constituting a halogen fluoride and m represents 3 or 4), wherein a mixed gas containing the halogen fluoride and fluorine is reacted with an H2O source.

Abstract: There is provided a process for the production of iodine pentafluoride which avoids the problems of the production process of iodine pentafluoride of the prior art as much as possible, and which carries out the reaction of fluorine and iodine moderately, so that iodine pentafluoride is produced more safely and more productively. In the process for the production of iodine pentafluoride by reacting fluorine and iodine, fluorine is supplied to the gas phase 14 which is adjacent to the liquid phase 12 of iodine pentafluoride which contains iodine.

Abstract: To provide, in an industrial scale production of iodine heptafluoride, a method for producing it easily and continuously, with a single reactor, efficiently and stably by putting iodine and fluorine directly into the reactor. To provide a method for producing iodine heptafluoride, characterized in that each of a fluorine-containing gas and an iodine-containing gas is supplied to a reactor, in which iodine heptafluoride is previously present, in order to suppress a local reaction when iodine and fluorine as the raw materials are put into the reactor, and the reaction is conducted while circulating and mixing the gas in the reactor.

Abstract: According to the present invention, there is provided a method for manufacturing an oxygen-containing halogenated fluoride of the general formula: XO2F, comprising: reacting a halogen fluoride of the general formula: XF with a H2O source, where X represents a halogen element selected from Cl, Br and I in the general formulas.

Abstract: This invention relates generally to organized assemblies of carbon and non-carbon compounds and methods of making such organized structures. In preferred embodiments, the organized structures of the instant invention take the form of nanorods or their aggregate forms. More preferably, a nanorod is made up of a carbon nanotube filled, coated, or both filled and coated by a non-carbon material. This invention is further drawn to the separation of single-wall carbon nanotubes. In particular, it relates to the separation of semiconducting single-wall carbon nanotubes from conducting (or metallic) single-wall carbon nanotubes. It also relates to the separation of single-wall carbon nanotubes according to their chirality and/or diameter.

Abstract: Disclosed is a method for producing an oxygen-containing halogenated fluoride, wherein a gas-liquid reaction is used. This method is a method for producing an oxygen-containing halogenated fluoride represented by the general formula: XOmF (where X represents a halogen atom (Cl, Br or I) constituting a halogen fluoride and m represents 3 or 4), wherein a mixed gas containing the halogen fluoride and fluorine is reacted with an H2O source.

Abstract: [Task] To provide, in an industrial scale production of iodine heptafluoride, a method for producing it easily and continuously, with a single reactor, efficiently and stably by putting iodine and fluorine directly into the reactor. [Solving Means] To provide a method for producing iodine heptafluoride, characterized in that each of a fluorine-containing gas and an iodine-containing gas is supplied to a reactor, in which iodine heptafluoride is previously present, in order to suppress a local reaction when iodine and fluorine as the raw materials are put into the reactor, and the reaction is conducted while circulating and mixing the gas in the reactor.

Abstract: There is provided a process for the production of iodine pentafluoride which avoids the problems of the production process of iodine pentafluoride of the prior art as much as possible, and which carries out the reaction of fluorine and iodine moderately, so that iodine pentafluoride is produced more safely and more productively. In the process for the production of iodine pentafluoride by reacting fluorine and iodine, fluorine is supplied to the gas phase 14 which is adjacent to the liquid phase 12 of iodine pentafluoride which contains iodine.

Abstract: The present invention is directed to a method for treatment of a gas stream comprising silicon tetrafluoride and hydrogen chloride. For example, the present invention is directed to a method for treatment of such a gas stream that involves contacting the gas stream with a metal that reacts with the hydrogen chloride to provide a treated gas stream having reduced hydrogen chloride content. The present invention is further directed to methods for subjecting silicon tetrafluoride and hydrogen chloride-containing gas streams to elevated pressure to provide gas streams suitable for transport.

Abstract: Methods of making basic aluminum halides, such as basic aluminum chlorides, are described, which includes the use of catalysts, such as nickel cations or cobalt cations.

Abstract: A process for the production of a fluorinated organic compound, characterized by fluorinating an organic compound having a hydrogen atoms using IF5; and a novel fluorination process for fluorinating an organic compound having a hydrogen atoms by using a fluorinating agent containing IF5 and at least one member selected from the group consisting of acids, bases, salts and additives.

Abstract: A scintillator composition is disclosed, containing a solid solution of at least two cerium halides. A radiation detector for detecting high-energy radiation is also described herein. The detector includes the scintillator composition mentioned above, along with a photodetector optically coupled to the scintillator. A method for detecting high-energy radiation with a scintillation detector is also described, wherein the scintillation crystal is based on a mixture of cerium halides.

Abstract: The present invention provides a reactor for the gas-phase reaction of commercially available gases in the presence of an inert carrier gas to form product gas. The reactor has a streamlined, compact configuration and at least one solids collection and removal system downstream of the reactor, where solids are efficiently removed from the product gas stream, leaving high purity product gas. The removal system allows for a simple reactor design, which is easy to clean and operates continuously over longer periods of time.

Abstract: A ClF3 gas generation system is provided with supply sources of chlorine (3) (for example a cylinder of compressed chlorine) and fluorine (4) (for example a fluorine generator) connected into a gas reaction chamber (2) enabling generation of ClF3 gas. The reaction chamber has a valved outlet (C) for the supply of the ClF3 gas to a process chamber for immediate local use.

Abstract: Spherical particles of a rare earth activated barium fluoride halide phosphor precursor having the formula(I): Ba1-aMIIaFX:yMI,zLn  (I) [in which MII is Ca or Sr; MI is Li, Na, K, Rb or Cs; X is Cl, Br or I; Ln is a rare earth element; and a, y and z are numbers satisfying the conditions of 0≦a≦0.5, 0≦y≦0.05, and 0<z≦0.2] are favorably employable for preparing spherical rare earth activated barium fluoride halide phosphor particles.

Abstract: A method for preparing barium fluorohalide-based crystal, which includes at least a step in which a halide aqueous solution (B) and aqueous solutions of a fluoride and a barium salt are mixed into a halide aqueous solution (A). The halide aqueous solution (B) contains the same halogen as that contained in the halide aqueous solution (A). In this method, halide ions are used efficiently rather than remaining to form a waste residue.

Abstract: A process for producing BrSF5 includes providing a first reactant including a metal fluoride of fluorine and a metal M selected from the group consisting of alkali metals, alkaline earth metals, and Ag, providing a second reactant including BrF3, combining the first reactant and the second reactant to form a mixture, wherein the first reactant and the second reactant are allowed to contact for a period of time sufficient to produce MBrF4 in an amount stoichiometrically equivalent to a quantity of BrF3, and providing a third reactant including SF4, wherein the third reactant reacts with MBrF4. The process for producing BrSF5 can further include providing a fourth reactant including Br2, wherein the fourth reactant is provided before, during and/or after providing the first reactant, the second reactant and/or the third reactant. BrSF5 is produced in a yield of from about 50% to about 99.99% based on the amount of SF4.

Abstract: A process of preparing an inorganic compound is disclosed, comprising the steps of (a) allowing at least an inorganic raw material compounds (A) and an inorganic raw material compound (B) which are different in solubility in water to react with each other in the presence of a reaction solvent with stirring to deposit an inorganic compound (C), while allowing a part of each of the compound (A) and compound (B) to exist as a solid; and

Abstract: Novel active catalyst compositions comprising a compound or mixture of compounds represented by the formula SbFXmY4−m a complex of such a compound or mixture of such compounds being represented by the formula R.SbFXmY4−m or a combination of such compounds and complexes where in each formula, X is an anionic moiety, Y is an anion or anions resulting from the deprotonation of an active hydrogen-containing compound(s), m is 0 to 3 and R is one or more active hydrogen containing compound acting as molecules of solvation. The catalyst compositions are useful to promote alkoxylation reactions.

Abstract: A process for producing inorganic fine grains in a definite form having a small grain size, the inorganic fine grains obtained by this process, a rare earth element-activated barium fluorohalide fluorescent substance made using the grains, and a radiation image conversion panel with a layer of the fluorescent substance. The process features adding, to a solution containing an inorganic compound, a solid matter substantially insoluble in the solution, promoting crystallization or precipitation in the solution to form crystal or precipitate, and separating out the resulting crystal or precipitate. The inorganic fine grains produced by this process are represented by the formula BaFI:xLn (Ln represents at least one of Ce, Pr, Sm, Eu, Tb, Dy, Ho, Nd, Er, Tm and Yb, and 0<x≦0.2), have a cubic form and have a volume-average grain size of 1 to 10 &mgr;m.

Abstract: A process for producing a water filter material is provided. The process includes the steps of providing a plurality of mesoporous activated carbon particles, and treating said plurality of mesoporous activated carbon particles to produce a plurality of mesoporous activated carbon particles having a bulk oxygen percentage by weight of less than about 2.3%.

Abstract: A method for preparing barium fluorohalide-based crystal, which includes at least a step in which a halide aqueous solution (B) and aqueous solutions of a fluoride and a barium salt are mixed into a halide aqueous solution (A). The halide aqueous solution (B) contains the same halogen as that contained in the halide aqueous solution (A). In this method, halide ions are used efficiently rather than remaining to form a waste residue.

Abstract: Novel active catalyst compositions comprising a compound or mixture of compounds represented by the formula SbFXmY4−m a complex of such a compound or mixture of such compounds being represented by the formula R·SbFXmY4−m or a combination of such compounds and complexes where in each formula, X is an anionic moiety, Y is an anion or anions resulting from the deprotonation of an active hydrogen-containing compound(s), m is 0 to 3 and R is one or more active hydrogen containing compound acting as molecules of solvation. The catalyst compositions are useful to promote alkoxylation reactions.

Abstract: A method of preparing barium fluoroiodide, an iodine-containing barium fluorohalide in which the barium fluoroiodide is used for at least one of materials thereof, and a radiation image conversion panel are provided. In the method of preparing barium fluoroiodide in a suspension preparing step, barium carbonate is added to and mixed with an aqueous solution of hydrogen iodide, such that a molar ratio of the hydrogen iodide to the barium carbonate is 0.5 to 2. A resultant solution is concentrated such that a concentration of barium iodide dissolved in the solution is at least 3.0 mol/l. Then, hydrogen fluoride is added and reacted to generate a precipitate, a rate of addition of the hydrogen fluoride being adjusted such that a molar ratio of the hydrogen fluoride to the barium carbonate added in the suspension preparing step is 0.4 to 0.8 and a theoretical amount of a precipitate of barium fluoroiodide produced during the addition of the hydrogen fluoride is 0.

Abstract: The present invention provides catalysts and processes for the fluorination of hydrohalomethanes. In particular, the invention provides a process for the fluorination of hydrohalomethanes using hydrogen fluoride and a Lewis Acid catalyst. More specifically, catalysts and a process for the fluorination of dichloromethane are provided.

Abstract: A treating method of recovering zinc in the metal state from a waste containing the zinc in the oxide state, lead, chlorine, fluorine, and water comprising a mixing process 90 of obtaining a to-be-treated mixed material 70 by mixing a steel dust 7 and a reducing material 8 together; a chlorine recovery process 91 of recovering the chlorine and the water by heating the to-be-treated mixed material 70; a lead recovery process 92 of recovering fluorine and lead by heating the to-be-treated mixed material 70 under vacuum; a zinc recovery process 93 of recovering metallic zinc by heating the to-be-treated mixed material 70 at a temperature higher than that in the lead recovery process 92 with the vacuum state maintained so as to reduce and vaporize zinc; and a residue recovery process 94 of recovering a residue 79 of the to-be-treated mixed material 70. This construction allows the metallic zinc to be recovered at a high purity from a zinc oxide-containing waste and an on-site treatment to be accomplished.

Abstract: An nickel hydroxide positive electrode active material which can be made by an ultrasonic precipitation method. The nickel hydroxide active material is characterized by the composition: ##EQU1## where x, the number of water ligands surrounding each Ni cation, is between 0.05 and 0.4 and y is the charge on the anions.

Abstract: Oxidizing compositions particularly for use in automated oligonucleotide synthesis containing a mixture of KI and I.sub.2 in solution, in equilibrium with KI.sub.3. One preferred composition contains 1.75% KI.sub.3 (providing 0.69% KI and 1.06% I.sub.2) in tetrahydrofuran/pyridine/water (93/5/2, v/v). These formulations enable synthesis of oligonucleotides of significantly higher quality than the currently employed formulation comprising 3% I.sub.2 in tetrahydrofuran/pyridine/water (74/21/2, v/v).

Abstract: The present invention concerns a process for obtaining metal halides, in particular rare earth and/or alkali earth halides. This process consists of forming a homogeneous solution by mixing one or more rare earth and/or alkali earth halogenoalkoxides in an anhydrous organic solvent, and hydrolyzing this solution. The novel materials are obtained at room temperature and are in powder, fibre, film or bulk material form.

Abstract: A chemical vapor deposition (CVD) process and apparatus for the growth of diamond films using vapor mixtures of selected compounds having desired moieties, specifically precursors that provide carbon and etchant species that remove graphite. The process involves two steps. In the first step, feedstock gas enters a conversion zone. In the second step, by-products from the conversion zone proceed to an atomization zone where diamond is produced. In a preferred embodiment a feedstock gas phase mixture including at least 20% water which provides the etchant species is reacted with an alcohol which provides the requisite carbon precursor at low temperature (55.degree.-1100.degree. C.) and low pressure (0.1 to 100 Torr), preferably in the presence of an organic acid (acetic acid) which contributes etchant species reactant. In the reaction process, the feedstock gas mixture is converted to H.sub.2, CO, C.sub.2 H.sub.2, no O.sub.2, with some residual water. Oxygen formerly on the water is transferred to CO.

Abstract: Highly active amorphous alloy catalysts for use in decomposing of flons into hydrofluoric acid, hydrochloric acid and carbon dioxide by the reaction of flons with water, consist of at least one element selected from the group of Ni and Co, at least one element selected from the group of Nb, Ta, Ti and Zr, which are effective for the formation of the amorphous structure by coexisting with at least one element selected from the group of Ni and Co, and at least one element selected from the group of Ru, Rh, Pd, Ir and Pt, which are necessary for the high catalytic activity. The alloys are activated by immersion into hydrofluoric acids.

Abstract: A microwave plasma generating apparatus for generating plasma by radiating microwave into a space in which electric discharge takes place contains a plurality of microwave radiating means for radiating a plurality of microwaves having different directions of electric fields from each other. This microwave plasma generating apparatus can produce a diamond thin film by exciting a carbon source gas supplied into the space and bringing the excited gas into contact with a substrate to be formed thereon with the diamond thin film, the substrate being disposed in the space in which the electric discharge is performed. This apparatus can produce a large volume of plasma in a stable fashion and, as a result, provide a diamond thin film in a large area as a whole.

Abstract: A heat sink for a semiconductor component of a heat-dissipating and light-radiating semiconductor electronic device. Diamond particles are embedded in a metal matrix to form a composite having a coefficient of thermal expansion which is substantially that of the semiconductor component of the electronic device.

Abstract: A diamond synthesizing apparatus has a reaction tube for internally causing a reaction for vapor-phase synthesizing diamond. A plasma generator produces the required microwave plasma in the reaction tube. The reaction tube is coupled with a gas reservoir, which forms a circulation system with the reaction tube. The circulation system is connectable to an exhaust for evacuating its interior. This circulation system further includes a pump for circulating raw material gas, which is a compound containing carbon. A raw material gas supply is also connectable to the circulation system, for intermittently supplying the raw material gas into the circulation system. During the synthesizing operation the circulation system is completely closed. According to this diamond synthesizing apparatus, it is possible to keep pressure fluctuations and composition fluctuations following a reaction and gas addition, to the minimum and to vapor-phase synthesize diamond in very restricted ranges of gas composition and pressure.

Abstract: The preparation of carbon fluoride and carbon fluoride chloride from a graphite intercalate is described. Treatment of group V-A pentahalide intercalates of graphite with fluorine or fluorine/chlorine gas mixtures at a temperature of about 300.degree. C. results in the production of highly fluorinated CF.sub.x ; X.gtoreq.1 or (C.sub.y F.sub.x Cl.sub.z).sub.n ;x.gtoreq.1.0, y=1.In the process, carbon fluoride or carbon fluoride chloride can be prepared from a highly ordered graphitic carbon at a temperature substantially lower than that of the decomposition temperature of the product, CF.sub.x or (C.sub.y F.sub.x Cl.sub.z).sub.n. In particular, carbon fluoride or carbon fluoride chloride is prepared from a group V-A pentahalogen intercalate and fluorine gas or fluorine/chlorine gas mixtures at temperatures in the order of 250.degree.-300.degree. C.

Abstract: 1,2-dichlorobenzene is isomerized to 1,4-dichlorobenzene in the presence of a catalyst comprising (a) at least one of AlCl.sub.3 and AlBr.sub.3 and (b) at least one of iodine, alkaline earth metal halides and sulfates and lanthanide halides. Benzene and/or dichlorobenzene is chlorinated with free chlorine in the presence of a catalyst composition comprising (a) at least one suitable metal halide (preferably AlCl.sub.3, SbCl.sub.5 or FeCl.sub.3) and (b) free iodine and/or at least one organic iodo-compound (preferably methyl iodide of p-iodochlorobenzene), so as to obtain a reaction product comprising 1,4-dichlorobenzene. A preferred catalyst composition comprises (a) at least one of AlCl.sub.3 and AlBr.sub.3, (b) free iodine and (c) at least one of alkaline earth metal halides, alkaline earth metal sulfates and lanthanide halides.

Abstract: A method of separating HF from a mixture including HF and HCl is disclosed wherein the mixture is contacted with silica causing the HF to react with the silica to form SiF.sub.4. The concentration of HCl is increased thereby increasing the relative volatility of SiF.sub.4 /HCl. The SiF.sub.4 is then removed as an aqueous distillate. The concentration of the HCl can be increased by various methods including adding gaseous or concentrated HCl to the mixture or by distilling off a portion of the water to thereby increase the concentration of the HCl. This method provides an efficient method of removing SiF.sub.4 and HF from HCl.

Abstract: Pentafluorotellurium hypohalites are reacted with fluorocarbon iodides to form intermediate adducts which are thereafter decomposed to form fluorocarbons containing the TeF.sub.5 O-- group.

Abstract: The invention disclosed herein is a method for preparing antimony trifluorodichloride whereby antimony trifluoride is dispersed in a liquid organic medium to form a slurry and contacted with chlorine. The invention further comprises a process for fluorinating a fluorinatable hydrocarbon or halocarbon whereby a fluorinatable hydrocarbon or halocarbon is contacted with the antimony trifluorodichloride prepared in the above process, and the fluorinated product is distilled off.

Abstract: Novel sulfide, polysulfide, selenide and polyselenide compositions are provided which are useful as ionic conducting solid electrolytes. Electrical energy storage devices utilizing such electrolytes are also provided.

Abstract: SF.sub.6 is produced by a pyrolysis of SF.sub.5 Cl obtained by a reaction of sulfur or sulfur chloride with chlorine and an amine/hydrogen fluoride complex or a reaction of sulfur tetrafluoride with chlorine and an amine/hydrogen fluoride complex.