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JP4467190B2 |
A method and apparatus for enrichment of heavy oxygen isotopes is provided wherein an oxygen starting material which contains heavy oxygen isotopes is enriched in at least one of oxygen molecule 16O17O, 16O18O, 17O17O, 17O18O and 18O18O,...
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JP4463271B2 |
An electrodynamic ion guide for a mass spectrometer comprises multiple sections having different guiding field central axes. At least one of the guiding fields can be an asymmetric guiding field having a quadrupole component and a dipole...
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JP2010094654A |
To provide an adsorbent capable of separating 14CO2 easily from a gaseous raw material containing 12CO, 13CO, 14CO, 12CO2, 13CO2 and 14CO2 and a separation/concentration method using the adsorbent.The selective adsorbent for an isotope a...
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JP4459202B2 |
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JP4444208B2 |
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JP4413778B2 |
Certain exemplary embodiments provide a method for performing repeated quantitative analysis using an FTMS. The method can comprise a plurality of potential activities, some of which can be automatically, repeatedly, and/or nestedly perf...
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JP2010023013A |
To provide a method for the separation of silicon isotopes which can be expected to improve the productivity in an industrial scale.There is provided the method wherein silicon isotopes are separated by a step of passing an aqueous solut...
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JP4409237B2 |
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JP4406228B2 |
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JP2010006637A |
To increase a tritium concentration in a sample water efficiently to a desired concentration rate by an apparatus having a simple structure.The multistage type tritium concentrator 1 is a tritium concentrator for increasing a tritium con...
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JP4398459B2 |
A method of making a sample plate for mass spectrometric analysis of a specimen is provided comprising applying a mask to a substrate to form at least one sample site. The sample plate comprises a substrate having an electrically conduct...
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JP4393270B2 |
The invention intends to determine a presence ratio between mixed compounds which are difficult to separate from each other by a separation unit and cannot be discriminated by MS. In a mass spectrometer with an MSn analysis function for ...
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JP4384758B2 |
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JP2009282038A |
To provide a method of performing throughput quantitation of small molecules in mass spectrometry.A mass spectrometry quantitation technique enables high-throughput quantitation of small molecules using a laser-desorption (e.g., MALDI) i...
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JP4364529B2 |
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JP4365635B2 |
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JP4364636B2 |
A method for quantitative monitoring of a gas injected into a reservoir and likely to react chemically with the injection medium includes injecting into a reservoir a mixture of the potentially reactive gas to be quantified with a low pr...
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JP4361057B2 |
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JP2009255009A |
To provide a heavy nitrogen concentrating and manufacturing device capable of safely and efficiently concentrating and manufacturing a large amount of heavy nitrogen in a commercial scale.In the heavy nitrogen concentrating and manufactu...
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JP4359513B2 |
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JP4327287B2 |
Oxygen starting material, which already contains heavy isotopes of oxygen, is enriched in the heavy isotopes of oxygen by means of cryogenic distillation in an oxygen distillation column system 1A, then water containing a high concentrat...
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JP4319273B2 |
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JP4312708B2 |
In the field of mass spectrometry, a method of obtaining a mass spectrum enriched with fragment ions while retaining the precursor ion. The technique includes varying the collision energy experienced by the precursor ion such that a rang...
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JP4306008B2 |
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JP2009161437A |
To provide a novel compound including a hydride ion having a binding energy greater than about 0.8 eV.Compounds comprise at least one neutral, positive, or negative hydrogen species of an increased binding energy having a greater binding...
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JP4285283B2 |
A mass spectrometer includes: an ion source; a mass separator for separating ions with respect to mass to charge ratios of the ions; an ion detector; an ion deflector including a pair of electrodes placed opposite each other across an io...
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JP4284167B2 |
Accurate mass measurement is carried out for product ions of a sample. A method for accurate mass determination of ions with Trap-TOF/mus includes steps of generating ions of an analyte sample and a standard material; introducing the ion...
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JP4268015B2 |
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JP2009095686A |
To provide a heavy nitrogen enrichment and production apparatus that can produce a large quantity of heavy nitrogen by enrichment safely and efficiently on a commercial scale even by using a fewer reflux columns in virtue of its possibil...
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JP4231779B2 |
The present invention relates to an improved process for the recovery of a radioisotope from an irradiated target which comprises a solid surface material. The improvement comprises sonication of the target dissolution medium using eithe...
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JP4208674B2 |
A method of mass analysis using a multi-turn time-of-flight mass spectrometer starts with recording plural heterogeneous turn number spectra F1(t), F2(t), . . . , Fq(t) containing plural ion peaks that might be different in number of tur...
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JP4200092B2 |
An ion resonance condition is corrected accurately in an ion trapping device. Measurements are repeated by alternately applying and not applying a resonance frequency voltage while spectral data is obtained continuously. Data obtained in...
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JP4182844B2 |
In a time of flight mass spectrometer (TOF-MS) of the present invention, a flight controller makes ions fly a loop orbit a predetermined number of turns, and an ion detector detects the ions at each turn of the flight. A flight time meas...
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JP4184960B2 |
Because of a low flow rate of the micro LC/MS, the dead volume or the diameter of a capillary tube must be minimized, and a sample and salt are likely to deposit in the capillary tube, with the result that clogging of the capillary tube ...
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JP4167607B2 |
A tank main body accommodates a heat exchanger including a heating medium pipe. A plurality of heat exchanger fins are coupled to the heating medium pipe to divide the interior of the tank main body into a plurality of spaces. A hydrogen...
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JP4162141B2 |
Methods and apparatus for separating ions of metallic elements are provided. Preferred methods utilize a hydrophobic chelating extractant, such as an organophosphorus compound, adsorbed onto carbon or graphite fibers in the form of felt....
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JP4160558B2 |
In various embodiments, the methods for analyzing a sample are provided utilizing a result dependent acquisition strategy. In various embodiments, methods for analyzing a sample are provided wherein the sample is first analyzed by MALDI ...
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JP4150722B2 |
A method for isotope separation of thallium using a laser beam comprising the steps of: (a) producing photons of a first frequency by a laser system, wherein a wave length of the first frequency is about 378 nm; (b) producing photons of ...
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JP4119712B2 |
To provide an adsorbent capable of separating13CH4easily from methane and concentrating the separated13CH4and a separating/concentrating method using the adsorbent and a separation/concentration apparatus using the adsorbent. This adsorb...
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JP4107781B2 |
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JP4087117B2 |
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JP4080893B2 |
A feedback control system for an electrospray nozzle and counter-electrode, comprising a source of light which intersects, one or more of the liquid cone, jet and plume of the fluid exiting the nozzle, one or more photo detectors to dete...
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JP2008073655A |
To provide a method for safely and efficiently promoting photochemical reaction for causing chemical reaction of a combustible substance or self-degradable substance as a raw material, particularly causing reaction by radiating laser bea...
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JP2008073673A |
To research for an effective substance capable of separating and concentrating two elements, or carbon and silicon, with a high selectivity and in high yield, by using isotope-selective infrared multiple-photon decomposition induced by i...
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JP2008071866A |
To provide a laser beam irradiation reaction device capable of enlarging the rate of reaction region in the volume of a reaction vessel without raising the output pulse energy of a laser beam generator.The laser beam irradiation reaction...
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JP4063673B2 |
Method and apparatus for chromatographic high field asymmetric waveform ion mobility spectrometry, including a gas chromatographic analyzer section intimately coupled with an ionization section, an ion filter section, and an ion detectio...
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JP2008503336A |
An system for separating tritiated water from common water, using gravity and the freezing point of tritiated water to cause tritiated water to freeze along the inside of a conically-shaped collection chamber. The common water and liquid...
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JP2008503858A |
Laser desorption/ionization time-of-flight mass spectrometer ("LDI-TOF-MS") devices, and methods, that accurately measure the mass of analytes contained in a sample and which also measure the quantities of analytes present in a sample in...
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JP2008018389A |
To provide a laser light irradiation reactor wherein the ratio of the capacity occupied by a reaction zone to the capacity of a reaction vessel is increased without raising the output pulse energy of a laser light generator.The laser lig...
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JP4033133B2 |
In the mass spectrometer of the present invention, a flight space is provided before the mass analyzer, and the flight space includes a loop orbit on which ions fly repeatedly. While ions fly on the loop orbit repeatedly, ion selecting e...
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