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WO/1997/034684A1 |
Improved processing apparatus and methods are provided which involve the selective ionisation of a feed material and the separation of ionised and non-ionised species. Introduction of a chemical material to cause selective transition to ...
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WO/1997/029836A1 |
An apparatus for producing polarised high-pressure vapour-phase helium-3, particularly for NMR imaging, comprising a means for injecting helium-3 or an isotope mixture into an optical pumping cell (2), a means for liquefying the polarise...
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WO/1997/020620A1 |
Improvements to both the source and collector in a plasma isotope enhancement apparatus are realized in smaller plasma devices without the Calutron processing step. These improvements include the use of a high field source region to gene...
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WO/1997/015944A1 |
There is described an isotope ratio mass spectrometer containing a sector magnet which produces an ion beam and which has a multiple collector, which is characterised in that it comprises an array of fixed collector elements arranged in ...
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WO/1997/014496A1 |
A method for selectively photoionizing odd mass Zr atoms. Atomic vapours are subjected to two resonant laser pulses to raise the energy of Zr atoms from the J=2 ground state, to a J=1 first intermediate state and to a second intermediate...
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WO/1997/012373A2 |
A method of selectively stimulating one molecular component in a mixture is provided. The method involves raising both components to a first excited state with a first pulse of laser radiation, and selectively raising one component to a ...
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WO/1997/007530A1 |
In a mass spectrometer, typically a quadrupole, one of the rod sets is constructed to create an axial field, e.g. a DC axial field, thereon. The axial field can be created by tapering the rods, or arranging the rods at angles with respec...
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WO/1997/006548A2 |
An isotope separation method for use in the field of semiconductors is provided. The method is an improvement to the invention disclosed in OSIM patent application no. 95-01302 of 13.07.1995. Specifically, a method is provided for proces...
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WO/1997/004141A1 |
A method and system for improved ion exchange chromatographic elemental separations of zirconium and hafnium elements and also, if desired, separations of the isotopes thereof from crude zirconium minerals by using improved crude aqueous...
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WO/1997/003235A1 |
This invention refers to a method concerning the modification of the isotopic ratios of the isotopes introduced in the cubic and hexagonal crystalline nets, using the interaction of the isotopes with the cubic and hexagonal crystalline n...
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WO/1996/041145A1 |
A process and apparatus for separating tritium from an aqueous solution that contains one or more additional dissolved radionuclides is disclosed. In accordance with the process the aqueous solution as a first liquid phase is contacted w...
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WO/1996/035638A1 |
An electrolytic pre-enrichment of a feed stream to a combined electrolysis and catalytic exchange ("CECE") heavy water production process. A deuterium enriched liquid or vapour stream from electrolytic cells is applied as a feed of the f...
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WO/1996/023578A1 |
A method of isotope separation is described. The method comprises vaporisation and atomising in an evacuated chamber a supply of the element whose isotopes are to be separated to form a stream of atoms of the said element in the chamber,...
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WO/1996/011397A1 |
A process for quantitative deuterium determination in hydrogen-containing samples and a reduction furnace for reducing hydrogen-containing gaseous or liquid substances are disclosed. The reduction furnace may be directly coupled to an is...
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WO/1996/008719A1 |
A continuous flow method of determining the quantitative isotopic composition of hydrogen comprised in a compound is disclosed, together with apparatus for carrying out the method. The method involves introducing the sample to be analyse...
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WO/1996/006670A1 |
The invention provides a process for the separation of zinc isotopes from one another to enrich or deplete a zinc-containing starting material with regard to one or more zinc isotopes. A dialkyl zinc compound (34) R1-Zn-R2 in which R1 an...
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WO/1996/000124A1 |
A method and apparatus for the partial or complete continuous separation of isotopes of gadolinium, especially high thermal neutron capture cross section gadolinium isotopes, using continuous, steady-state, chromatography in which an ion...
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WO/1996/000123A1 |
A process for the partial or complete simultaneous separation of isotopes of erbium, especially high thermal neutron capture cross section erbium isotopes, using continuous, steady-state, chromatography in which an ion exchange resin is ...
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WO/1995/026584A1 |
In an AVLIS process, 91Zr is selectively removed from natural zirconium by a three-step photoionization wherein Zr atoms are irradiated by a laser beam having a wavelength 'lambda'1, selectively raising 91Zr atoms to an odd-parity E1 ene...
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WO/1995/018668A1 |
Ionisable or polarisable, carrier-free radionuclides may be separated by electrofixation, in a manner that is particularly well adapted to practical requirements, from a low electric conductivity liquid target material in a flow cell (1)...
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WO/1995/015807A1 |
A geographically distributed apparatus and process for detritiating heavy water is provided. The apparatus and process provide a remote site enrichment plant for producing an enriched stream of DT/D2 gas and a hydriding unit for forming ...
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WO/1993/024208A1 |
A method for selectively photoionizing odd mass Zr atoms. Atomic vapours are subjected to three resonant laser pulses to raise the anergy of Zr atoms from the J = 2 ground state, to a J = 1 first intermediate state, to a J = 1 second int...
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WO/1993/018844A1 |
A simple system for obtaining high dissociation yield in a single highly selective step, even at very high pumping powers, in the molecular laser isotope separation (MLIS) route of Uranium Hexafluoride (UF6), is described. In order to se...
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WO/1993/003826A1 |
A method is provided for selective photoionization of the odd-numbered atomic mass gadolinium isotopes (155) and (157). The selective photoionization is accomplished by circular or linear parallel polarized laser beam energy effecting a ...
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WO/1992/016949A1 |
The present invention relates to a method of improving the elution yield of a radioisotope generator by supplying air to the eluent reservoir thereof during elution of the generator, which air has a minimized alcohol content. The inventi...
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WO/1992/005862A1 |
Oxygen is separated from an oxygen-containing gas by introducing the gas into a first zone (1) of a gas separation apparatus, the apparatus comprising first (1) and second (2) zones separated by a mixed metal oxide membrane (8), the memb...
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WO/1991/014488A1 |
Selection criteria are disclosed for choosing a coreactant RX that will improve the isotope separation in laser-activated chemical reactions which may proceed by the steps: 1MY + hVL -> 1MY* (Laser Activation of Isotopic Materials), RX +...
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WO/1991/004781A1 |
In mass spectrometry, a time of flight (TOF) mass spectrometer is used to measure the mass spectrum of organic molecules of mass ranging from 200 Dalton to greater than 200,000 Dalton. Ions from the sample are desorbed by striking the pr...
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WO/1991/003308A1 |
A method of concentrating oxygen 18 with laser which comprises adding optionally a hydrocarbon to a saturated acyclic ether (except dimethyl ether) or a saturated cyclic ether as a starting material containing oxygen 18 and laser beams a...
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WO/1991/001055A1 |
A laser bar (1) of chromium-doped Mg2SiO4 (Forsterite) is pumped by a laser diode (2) transmitting between 0.75 and 0.8 micrometres, said laser diode being based on Ga1-xAlxAss, where x is between 0.1 and 0.18.
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WO/1990/015658A1 |
A portable analytical grade mass spectrometer system contained in a single enclosure (18) is disclosed for use in analyzing atmospheric, water, soil, drugs, explosives and other substances and includes a gas chromatograph (14) and a mass...
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WO/1990/014148A1 |
This invention describes the production of mass spectra which contain a multiplicty of peaks. The component ions of these peaks, which are multiply charged, are formed by dispersing a solution containing an analyte into a bath gas as hig...
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WO/1990/011818A1 |
A method of enriching 13C which comprises exposing a gaseous mixture of a halogenomethane containing at least one fluorine atom and a natural abundance of 13C with an oxygen-containing oxidizing agent to a carbon dioxide laser to cause s...
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WO/1989/009182A1 |
A method for concentrating an isotope from an admixture containing the isotope by contacting the admixture with a catalyst capable of selectively catalyzing a reaction with the isotope, and recovering the concentrated isotope from the re...
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WO/1989/000883A1 |
An improved ion detection system and method for detection of low or high mass ions having high electron affinity constituent atoms or molecules. A target (18) having a low work function photoemissive surface layer (26) is employed to fra...
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WO/1988/005210A1 |
A magnetic mass spectrometer, used to purify ions in a polyisotopic mixture wherein non-ionized particles which exit the ion source (50) are collected in the vacuum chamber (52) and are then introduced into a thermal cycle pump (62) and ...
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WO/1987/000635A1 |
Improved resolution of proteins and other macro molecules in gel electrophoresis is obtained by causing the molecules to move through the gel under the influence of an electrical potential, the polarity of which is intermittently reverse...
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WO/1985/000536A1 |
Device for circulating a molecular gas or a gas mixture which contains at least one molecular component, in a closed circuit. The aim of the method is particularly to conduct a process in the gas or the gas mixture which is in relation w...
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WO/1984/002803A1 |
Improvements in methods and apparatus for forming a large stream of dense plasma within a magnetic field and to the use of such a plasma for isotope separation. More specifically, the present invention teaches a technique and an apparatu...
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WO/1983/004187A1 |
Time-of-flight mass spectrometry techniques are simultaneously combined with path-bending spatial dispersion in magnetic- or electric-sector mass spectrometers to improve the mass resolution. The instrumentation generates data defining r...
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WO/1983/001396A1 |
The device comprises a cylindrical crusher housing (20) mounted on a carriage (12-14) above a removable wastebucker (23) which communicates with a funnel-shaped discharge (21) formed in the lower end of the housing. The top of the housin...
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WO/1983/000022A1 |
The device for the transfer of material between a liquid flowing downwards and a counter current gas comprises a plurality of superposed plates (1, 2, 3) in a pressure container (19). The liquid forms a hydrostatically continuous column ...
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WO/1981/001802A1 |
A process for separating carbon isotopes, which comprises contacting an aqueous solution containing acid dissociation type and non-dissociation type chemical species of carbon-containing acids with a solid phase anion exchange resin to t...
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WO/1981/001801A1 |
Turbo-separative methods and apparatus for separation of mixtures of gaseous materials having different molecular weights, particularly gaseous isotope mixtures such as mixtures of UF6, in which differential sedimentation velocities of t...
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WO/1980/000010A1 |
The present invention utilizes a vortex tube for separating the isotopes. A gas mixture containing the isotopic molecules, with or without a carrier gas, enters the vortex tube under pressure and is separated into a hot discharge flow st...
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WO/1979/000025A1 |
Method and apparatus for separating the isotopes of an element, in particular of a metal having a high atomic weight. The method comprises the preparation of a surface-active compound of said element, the dissolving of that compound in a...
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JP2024047240A |
The present invention aims to expand the scope of application of the device's configuration and function by improving the constituent materials of the device in the transportation of hydrogen isotopes. [Solution] A proton conductor 2 for...
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JP2024039042A |
[Problem] To efficiently and appropriately treat tritiated water. [Solution] A water treatment system 10 that processes tritiated water, includes an EDI processing unit 102 that is a tritium-reduced water generation device, and the EDI p...
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JP2024031013A |
The present invention provides a simple method for separating tritiated water from contaminated water containing tritiated water and light water. [Solution] A treatment device for separating tritiated water from contaminated water contai...
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JP2024024989A |
An object of the present invention is to provide an oxygen isotope concentrating device that can simplify the device configuration and reduce the amount of oxygen to be processed. [Solution] A plurality of device groups including an ozon...
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