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WO/2000/007703 |
This invention relates to a method for extracting hydrogen isotopes from a liquid Pb-17Li eutectic in a fusion reactor and to an extractor implementing this method. According to the invention the eutectic is made to flow along a first si...
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WO/2000/008456 |
The present invention relates to a method for separating and enriching stable isotopes in gas phase using the principles of high field asymmetric waveform ion mobility spectrometry, substantially at atmospheric pressure (760 torr) and su...
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WO/1999/058225 |
The invention concerns a method for purifying, and concentrating into a minor constituent, a gaseous mixture, a method for detecting said constituent, and an installation for implementing said method. Said method comprises successively a...
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WO/1999/050667 |
An electrospray apparatus employing multiple electrospray needles mounted in a circular arrangement sequentially delivers multiple sample streams to a mass spectrometer for analysis. One electrospray device includes an electrospray chamb...
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WO/1999/048586 |
A process and apparatus for treating the heavy hydrogen isotope content of the contaminated water by contacting the contamined water with a molecular separation material (28) including a support medium carrying a plurality of hydration s...
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WO/1999/039198 |
A method of speciated isotope dilution mass spectrometry (SIDMS) which will permit determination of concentrations of one or more species from a sample even if the sample has been subjected to species conversion prior to species separati...
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WO/1999/027794 |
Tasteless super-purified smoke is manufactured to treat seafood and meat to preserve the freshness, color, texture, and natural flavor, particularly after the food is frozen and thawed. The smoke is generated by burning an organic smokin...
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WO/1999/021212 |
A 'cold' ion mobility spectrometer (IMS) device (100) deliberately operates at a temperature low enough that sample vapors condense, i.e., are trapped, in the IMS (100) after their introduction with a condensing liner (117) in a reaction...
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WO/1999/005735 |
Compounds are provided comprising at least one neutral, positive, or negative hydrogen species having a greater binding energy than its corresponding ordinary hydrogen species, or greater than any hydrogen species for which the binding e...
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WO/1998/052682 |
An apparatus includes an atmospheric pressure ion source (2) for producing ions for delivery into vacuum; a vacuum system housing (22) attached to pumps for pumping away gas to form the vacuum; and a removable insert assembly which inclu...
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WO/1998/039084 |
A method for forming filtration members (60) using an electric potential to control the migration of electrically charged particles and hence to control the formation of a membrane layer (70) on a substrate (18). In one embodiment, elect...
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WO/1998/037948 |
A collection method for an at least partially ionised sample is provided in which the part of the sample to be collected is discharged using an electrical conductor and the discharge part of the sample then leaves the confines of a retai...
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WO/1998/036822 |
A mass and velocity analyzer (48) has a cell (60) having four walls (62, 64, 66, 68) applied with time dependent RF potentials. The time dependent RF potentials create an RF field effectively rotating in the cell (60). The rotating RF fi...
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WO/1998/032513 |
A method for separating ?213�Bi from a solution of radionuclides wherein the solution contains a concentration of the chloride ions and hydrogen ions adjusted to allow the formation of a chloride complex. The solution is then brought i...
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WO/1998/006481 |
A Time-Of-Flight mass analyzer includes a multipole ion guide (16) located in the ion flight path between the ion source (1) and the flight tube (42) of the Time-Of-Flight mass analyzer. In one preferred embodiment, a Time-Of-Flight (TOF...
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WO/1998/001218 |
A reflectron (100) for use with a mass spectrometer that focuses ions having different energies contains a conductive end cap (106) that is electrically connected to a first voltage V0. A conductive surface (102, 104) is electrically iso...
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WO/1998/000224 |
A Time-of-Flight Mass Spectrometer (TOF-MS) is configured to improve resolution and sensitivity performance. The TOF-MS includes an arrangement of electrodes comprising an ion accelerator with two stages of homogeneous electric fields (1...
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WO/1997/048466 |
The use of a catalyst package which can be produced by the vapour deposition and/or sputtering of at least one substance active as a catalyst and/or promotor on fabrics, knitted materials or foils as substrates in a catalytic distillatio...
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WO/1997/044110 |
A 99Mo/99mTc generator system includes a sorbent column (11) loaded with a composition containing 99Mo. The sorbent column (11) has an effluent end (31) in fluid communication with an anion-exchange column (15) for concentrating 99mTc el...
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WO/1997/038785 |
A method of removing molybdenum hexafluoride from a gas containing both uranium hexafluoride and molybdenum hexafluoride. The method comprises irradiating the gas with ultraviolet light and allowing the molybdenum pentafluoride which is ...
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WO/1997/034685 |
Improved processing apparatus and methods are provided which involve the selective ionisation of a feed material; the separation of ionised and non-ionised species; a selective excitation of the still ionised species; introduction of a c...
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WO/1997/034684 |
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/1997/029836 |
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/1997/020620 |
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/1997/015944 |
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/1997/014496 |
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/1997/012373 |
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/1997/006548 |
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/1997/004141 |
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/1997/003235 |
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/1996/041145 |
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/1996/035638 |
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/1996/023578 |
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/1996/011397 |
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/1996/008719 |
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/1996/006670 |
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/1996/000124 |
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/1996/000123 |
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/1995/026584 |
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/1995/018668 |
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/1995/015807 |
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/1993/024208 |
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/1993/018844 |
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/1993/003826 |
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/1992/016949 |
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/1992/005862 |
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/1991/014488 |
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/1991/004781 |
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/1991/003308 |
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/1991/001055 |
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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