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61. 发明授权

US06460401B1 Method and apparatus for trace analysis of organic compound 失效
标题翻译：有机化合物痕量分析方法与装置
公开(公告)号：US06460401B1
公开(公告)日：2002-10-08
申请号：US09461998
申请日：1999-12-15
申请人： Kunihiro Hoshino , Yoshihiko Takano , Takeshi Miyabayashi
发明人： Kunihiro Hoshino , Yoshihiko Takano , Takeshi Miyabayashi
IPC分类号： G01N3008
CPC分类号： G01N1/40 , G01N1/405 , G01N30/12 , G01N2030/122
摘要： The invention relates to a method of trace analysis of organic compounds which calls for the steps of setting a test piece in a flow cell, and thereafter removing organic compounds from the test piece by heating it at high temperature in an oven. The compounds are concentrated in a trap tube and then removed from the trap tube and carried into a concentrating/inlet unit, such as a thermal desorption cold trap injector. In this unit, cryofocusing of the compounds is performed, and then the organic compounds are introduced into a gas chromatograph to be analyzed therein, wherein a part of the purified inert gas is caused, except during the process of trapping the organic compounds, to flow into the flow cell from the direction opposite the direction from which the gas flows along the trapping line. The invention also provides an apparatus to be used for the method, including an analyzer having a flow cell, a trap tube connected to the flow cell, a detector connected to the trap tube, and a flow rate controller connected to the flow cell. This can be brought into communication with the trap tube and is so formed as to permit a test piece, such as a wafer, to be removably set therein and also permit a carrier gas to flow therethrough. A channel for purified inert gas is provided between the flow rate controller and the flow cell and also between the flow rate controller and a valve that communicates with the flow cell.
摘要翻译：本发明涉及一种有机化合物的痕量分析方法，其要求在流动池中设置试验片的步骤，然后通过在烘箱中高温加热从试片中除去有机化合物。将化合物浓缩在捕集管中，然后从捕获管中取出并携带到浓缩/入口单元中，例如热解吸冷阱注射器。在该单元中，进行化合物的冷冻聚焦，然后将有机化合物引入气相色谱仪中进行分析，其中除了在捕获有机化合物的过程之外，引发纯化的惰性气体的一部分流动从与气体沿着捕集线流动的方向相反的方向进入流动池。本发明还提供了一种用于该方法的装置，包括具有流动池，连接到流通池的捕集管，连接到捕集管的检测器和连接到流通池的流量控制器的分析器。这可以与陷阱管连通，并且被形成为允许诸如晶片的测试件可移除地设置在其中并且还允许载气流过其中。在流量控制器和流动池之间以及流量控制器和与流动池连通的阀之间提供用于净化的惰性气体的通道。

62. 发明授权

US06062065A Method and apparatus in gas chromatography for introducing a sample 失效
标题翻译：用于引入样品的气相色谱法的方法和装置
公开(公告)号：US06062065A
公开(公告)日：2000-05-16
申请号：US80818
申请日：1998-05-18
申请人： Kiyoshi Sugimoto , Haruhiko Miyagawa , Katsuhiro Nakagawa
发明人： Kiyoshi Sugimoto , Haruhiko Miyagawa , Katsuhiro Nakagawa
IPC分类号： G01N30/10 , G01N30/12 , G01N30/16 , G01N30/04
CPC分类号： G01N30/12 , G01N2030/122
摘要： A tubular insert with a small internal volume is disposed inside the vaporization chamber at the inlet of a capillary column of a gas chromatograph such that the sample with a solvent injected into the vaporization chamber is carried by a carrier gas through the insert into the column. The internal volume of the insert is such that the retention time of the carrier gas through the insert is less than 4 seconds. A heater is controlled to maintain the temperature inside the vaporization chamber within a specified range above the boiling point of the solvent as the sample is injected into the vaporization chamber, and this temperature is subsequently raised to a final temperature above the boiling points of the components to be analyzed. The carrier gas pressure is temporarily increased for better efficiency as the sample is injected.
摘要翻译：在气相色谱仪的毛细管柱的入口处，在蒸发室内设置具有小的内部体积的管状插入物，使得注入到蒸发室中的溶剂的样品由载气通过插入件载入柱中。插入件的内部容积使得载气通过插入件的保留时间小于4秒。控制加热器以将样品注入蒸发室内，将蒸发室内的温度保持在高于溶剂沸点的规定范围内，然后将该温度升至高于组分沸点的最终温度待分析。当样品被注入时，载气压力暂时增加以获得更好的效率。

63. 发明授权

US5904749A Gas chromatographic method 失效
标题翻译：气相色谱法
公开(公告)号：US5904749A
公开(公告)日：1999-05-18
申请号：US186900
申请日：1994-01-27
申请人： Christopher Huk-Shi Chen , Shinn-Der Chang , Chengwen Weng , Yuanming Tang , Ingo Bernd Holzhueter , Samuel Hugh Hawthorne
发明人： Christopher Huk-Shi Chen , Shinn-Der Chang , Chengwen Weng , Yuanming Tang , Ingo Bernd Holzhueter , Samuel Hugh Hawthorne
IPC分类号： B01D59/26 , G01N30/02 , G01N30/12 , G01N30/16 , G01N30/30 , G01N30/46 , G01N30/54 , G01N30/80 , B01D15/08
CPC分类号： G01N30/461 , B01D59/26 , G01N30/16 , G01N30/30 , G01N2030/025 , G01N2030/122 , G01N2030/165 , G01N2030/3015 , G01N2030/3023
摘要： A gas chromatographic method utilizes columns having either ascending or descending temperature profiles to effect separation even under column overloading conditions. A fixed ascending temperature profile column allows for good separation of components of a mixture under conditions of column overloading. A mixture to be separated is chromatographed on at least one such column prior to chromatography on a column maintained with a descending temperature profile. This latter column has surprisingly been found to greatly reduce tailing of less volatile species. The invention also includes a variable temperature descending column chromatography to provide an initial ordering of a large quantity of components prior to chomatography on the fixed ascending temperature profile column, or on the serial fixed ascending and descending temperature profile pair of columns.
摘要翻译：气相色谱法利用具有上升或下降温度曲线的色谱柱，即使在色谱柱过载条件下也能进行分离。固定的上升温度曲线柱允许在柱过载的条件下良好分离混合物的组分。待分离的混合物在至少一个这样的色谱柱上进行色谱分离，然后色谱法在保持下降温度曲线的色谱柱上进行。令人惊讶地发现后一列极大地减少了挥发性较低的物种的拖尾。本发明还包括可变温度降序柱色谱，以在固定升温温度曲线柱上的色谱法之前或在串联固定的升序和降序温度曲线对对上提供大量组分的初始排序。

64. 发明授权

US5720798A Micromachined analyte trap for gas phase streams 失效
标题翻译：用于气相流的微加工分析物阱
公开(公告)号：US5720798A
公开(公告)日：1998-02-24
申请号：US641248
申请日：1996-04-30
申请人： Mark A. Nickerson , W. Dale Snyder
发明人： Mark A. Nickerson , W. Dale Snyder
IPC分类号： G01N30/02 , G01N30/12 , G01N30/60 , B01D15/08 , B01D53/04
CPC分类号： G01N30/12 , G01N2030/025 , G01N2030/122 , G01N30/6095
摘要： A method and apparatus for non-liquid solvent introduction of analyte into an analytical instrument and, more particularly, to a bonded liquid phase analyte trap with integral flow switching that may include a rapid solid-state heating and cooling device. The analyte trap includes a first wafer having a flow channel formed on its bottom side such that a second wafer attached to the bottom side of the first wafer encloses the flow channel and a stationary phase coating is chemically bonded to the walls of the flow channel to provide a mechanism for trapping analytes of interest.
摘要翻译：一种用于非分析溶剂将分析物引入分析仪器的方法和装置，更具体地说，涉及具有可包括快速固态加热和冷却装置的积分流量切换的粘合液相分析物阱。分析物陷阱包括第一晶片，其具有在其底侧形成的流动通道，使得附接到第一晶片的底侧的第二晶片包围流动通道，并且固定相涂层化学键合到流动通道的壁，以提供捕获感兴趣的分析物的机制。

65. 发明授权

US5547497A Apparatus for gas chromatography 失效
标题翻译：气相色谱仪
公开(公告)号：US5547497A
公开(公告)日：1996-08-20
申请号：US174129
申请日：1993-12-28
申请人： Mark A. Klemp , Anita J. Peters
发明人： Mark A. Klemp , Anita J. Peters
IPC分类号： G01N30/08 , G01N30/02 , G01N30/12 , G01N30/30 , G01N30/32 , G01N30/38 , G01N30/40 , G01N30/62 , B01D15/08
CPC分类号： G01N30/12 , G01N30/40 , G01N2030/025 , G01N2030/122 , G01N2030/123 , G01N2030/128 , G01N2030/3046 , G01N2030/383 , G01N2030/623
摘要： A gas chromatograph system including a cold trap having two portions, a capillary tube and a porous layer open tubular (PLOT) column, for substantially simultaneously trapping lower and higher boiling point gasses. The capillary tube enables cold trapping of lower boiling point gasses while the PLOT column enables cold trapping of higher boiling point gasses. The capillary tube interconnects at one end to an analytical column and a sample gas source and interconnects at its other end to a first end of the PLOT column. The other end of the PLOT column interconnects to a carrier gas source and a vacuum source. The capillary tube and PLOT column are both positioned within a temperature controlled environment of the cold trap. During the collection mode, the temperature control device maintains a relatively low temperature to condense the sample components. During injection of the sample from the cold trap to the analytical column, the temperature control device maintains a relatively high temperature to vaporize the sample components.
摘要翻译：一种包括具有两部分的冷阱的气相色谱系统，毛细管和多孔层开放管（PLOT）柱，用于基本上同时捕获较低沸点和较高沸点的气体。毛细管能够冷藏低沸点气体，而PLOT柱能够冷却高沸点气体。毛细管一端连接到分析柱和样品气体源，并在其另一端互连到PLOT柱的第一端。 PLOT柱的另一端与载气源和真空源相互连接。毛细管和PLOT柱均位于冷阱的温度控制环境内。在收集模式期间，温度控制装置维持相对较低的温度以冷凝样品组分。在将样品从冷阱注入分析柱期间，温度控制装置维持相对高的温度以蒸发样品组分。

66. 发明授权

US5281256A Gas chromatography system with column bifurcation and tunable selectivity 失效
标题翻译：具有柱分叉和可调选择性的气相色谱系统
公开(公告)号：US5281256A
公开(公告)日：1994-01-25
申请号：US975289
申请日：1992-11-12
申请人： Richard D. Sacks , Michael L. Akard
发明人： Richard D. Sacks , Michael L. Akard
IPC分类号： G01N30/26 , G01N1/00 , G01N1/22 , G01N1/26 , G01N30/02 , G01N30/12 , G01N30/20 , G01N30/24 , G01N30/30 , G01N30/32 , G01N30/38 , G01N30/40 , G01N30/46 , G01N30/62 , G01N30/68 , G01N30/78 , G01N30/86 , B01D15/08
CPC分类号： G01N30/468 , G01N1/26 , G01N30/12 , G01N30/20 , G01N30/38 , G01N30/40 , G01N1/2214 , G01N2030/025 , G01N2030/121 , G01N2030/122 , G01N2030/201 , G01N2030/202 , G01N2030/204 , G01N2030/3046 , G01N2030/383 , G01N2030/385 , G01N2030/402 , G01N2030/405 , G01N2030/407 , G01N2030/623 , G01N2030/628 , G01N30/24 , G01N30/32 , G01N30/461 , G01N30/466 , G01N30/68 , G01N30/78 , G01N30/8651 , G01N35/1097
摘要： A gas chromatography system featuring column bifurcation and pressure tuning. The system of this invention incorporates a bifurcated system in which samples eluting from a first separation column are directed selectively through one of two or more additional separation columns. Flow directing is achieved through the use of valves which switch carrier gas which are outside of the path of the analyte mixture. Effective tuning of the system is provided by adjusting the intermediate pressure which controls the effective lengths of the initial separation column and the additional final separation columns.
摘要翻译：具有柱分岔和压力调节的气相色谱系统。本发明的系统包含分叉系统，其中从第一分离柱洗脱的样品选择性地通过两个或更多个附加分离柱之一。通过使用在分析物混合物的路径之外切换载气的阀来实现流动引导。通过调节控制初始分离柱和附加最终分离柱的有效长度的中间压力来提供系统的有效调节。

67. 发明授权

US5123274A Hand-held sample gun for vapor collection 失效
标题翻译：用于蒸气收集的手持取样枪
公开(公告)号：US5123274A
公开(公告)日：1992-06-23
申请号：US81915
申请日：1987-07-08
申请人： Alf L. Carroll , Gabor Miskolczy , Freeman W. Fraim , Eugene K. Achter , David P. Lieb
发明人： Alf L. Carroll , Gabor Miskolczy , Freeman W. Fraim , Eugene K. Achter , David P. Lieb
IPC分类号： G01N1/00 , G01N1/02 , G01N1/22 , G01N1/28 , G01N1/40 , G01N21/76 , G01N27/417 , G01N30/02 , G01N30/06 , G01N30/08 , G01N30/12 , G01N30/14 , G01N30/16 , G01N30/30 , G01N30/40 , G01N30/46 , G01N30/62 , G01N30/64 , G01N30/72 , G01N30/84 , G01N31/12 , G01N33/00 , G01N33/22 , G01V9/00
CPC分类号： G01N30/461 , G01N1/02 , G01N30/08 , G01N30/12 , G01N30/84 , G01N33/0057 , G01V9/007 , G01N1/2214 , G01N1/2226 , G01N1/28 , G01N1/40 , G01N2001/022 , G01N2001/028 , G01N2030/025 , G01N2030/065 , G01N2030/085 , G01N2030/121 , G01N2030/122 , G01N2030/123 , G01N2030/125 , G01N2030/126 , G01N2030/143 , G01N2030/167 , G01N2030/3007 , G01N2030/3046 , G01N2030/3053 , G01N2030/3061 , G01N2030/3069 , G01N2030/3076 , G01N2030/3084 , G01N2030/626 , G01N2030/642 , G01N2030/8405 , G01N21/76 , G01N30/14 , G01N30/40 , G01N30/62 , G01N30/72
摘要： A highly selective, sensitive, fast detection system and method are disclosed for detecting vapors of specific compounds in air. Vapors emanating from compounds such as explosives, or stripped from surfaces using heat and suction from a hand-held sample gun, are collected on surface coated with gas chromatograph (GC) material which trap explosives vapors but repel nitric oxide, then are desorbed and concentrated in one or more cold spot concentrators. A high speed gas chromatograph (GC) separates the vapors, after which specific vapors are decomposed in two pyrolyzers arranged in parallel and the resulting nitric oxide is detected. A low temperature pyrolyzer with silver produces NO from nitramines or nitrite esters; a high temperature pyrolyzer decomposes all explosives vapors to permit detection of the remaining explosives. Also disclosed is a series arrangement of pyroloyzers and gas chromatographs and an NO detector to time-shift detection of certain vapors and facilitate very fast GC analyses. The use of hydrogen as a carrier gas, plus unique collectors and concentrators, high speed heaters, NO detectors, and very fast, temperature-programmable GC's enhance selectivity, sensitivity and speed of detection.
摘要翻译：公开了一种高选择性，灵敏，快速的检测系统和方法，用于检测空气中特定化合物的蒸气。从化学品如爆炸物或从手持式样品枪吸取热量从表面剥离的蒸气在被气相色谱（GC）材料涂覆的表面上收集，该气相色谱（GC）材料捕获爆炸物蒸气但排斥一氧化氮，然后被解吸和浓缩在一个或多个冷点浓缩器中。高速气相色谱仪（GC）分离蒸汽，之后特定的蒸汽在平行排列的两个热解器中分解，并检测到所产生的一氧化氮。含有银的低温热解器由硝胺或亚硝酸酯产生NO; 高温热解器分解所有炸药蒸气，以便检测剩余的炸药。还公开了热解器和气相色谱仪的串联布置，以及用于某些蒸气的时移检测的NO检测器，并促进非常快速的GC分析。使用氢气作为载气，加上独特的收集器和浓缩器，高速加热器，NO检测器和非常快速的温度可编程GC增强了选择性，灵敏度和检测速度。

68. 发明授权

US5092219A Selective decomposition of nitrite esters and nitramines 失效
标题翻译：亚硝酸酯和硝胺的选择性分解
公开(公告)号：US5092219A
公开(公告)日：1992-03-03
申请号：US81967
申请日：1987-07-08
申请人： David P. Rounbehler , David H. Fine
发明人： David P. Rounbehler , David H. Fine
IPC分类号： G01N1/00 , G01N1/02 , G01N1/22 , G01N1/28 , G01N1/40 , G01N21/76 , G01N27/417 , G01N30/02 , G01N30/06 , G01N30/08 , G01N30/12 , G01N30/14 , G01N30/16 , G01N30/30 , G01N30/40 , G01N30/46 , G01N30/62 , G01N30/64 , G01N30/72 , G01N30/84 , G01N31/12 , G01N33/00 , G01N33/22 , G01V9/00
CPC分类号： G01N30/461 , G01N1/02 , G01N30/08 , G01N30/12 , G01N30/84 , G01N33/0057 , G01V9/007 , G01N1/2214 , G01N1/2226 , G01N1/28 , G01N1/40 , G01N2001/022 , G01N2001/028 , G01N2030/025 , G01N2030/065 , G01N2030/085 , G01N2030/121 , G01N2030/122 , G01N2030/123 , G01N2030/125 , G01N2030/126 , G01N2030/143 , G01N2030/167 , G01N2030/3007 , G01N2030/3046 , G01N2030/3053 , G01N2030/3061 , G01N2030/3069 , G01N2030/3076 , G01N2030/3084 , G01N2030/626 , G01N2030/642 , G01N2030/8405 , G01N21/76 , G01N30/14 , G01N30/40 , G01N30/62 , G01N30/72
摘要： A highly selective, sensitive, fast detection system and method are disclosed for detecting vapors of specific compounds in air. Vapors emanating from compounds such as explosives, or stripped from surfaces using heat and suction from a hand-held sample gun, are collected on surfaces coated with gas chromatograph (GC) material which trap explosives vapors but repel nitric oxide, then are desorbed and concentrated in one or more cold spot concentrators. A high speed gas chromatograph (GC) separates the vapors, after which specific vapors are decomposed in two pyrolyzers arranged in parallel and the resulting nitric oxide is detected. A low temperature pyrolyzer with silver produces NO from nitramines or nitrite esters; a high temperature pyrolyzer decomposes all explosives vapors to permit detetion of the remaining explosives. Also disclosed is a series arrangement of pyrolyzers and gas chromatographs and an NO detector to time-shift detection of certain vapors and facilitate very fast GC analyses. The use of hydrogen as a carrier gas, plus unique collectors and concentrators, high speed heaters, NO detectors, and very fast, temperature-programmable GC's enhance selectivity, sensitivity and speed of detection.
摘要翻译：公开了一种高选择性，灵敏，快速的检测系统和方法，用于检测空气中特定化合物的蒸气。从化合物如爆炸物或从手持式样品枪吸取热量从表面剥离的蒸气被收集在涂有气相色谱（GC）材料的表面上，该气相色谱（GC）材料捕获爆炸物蒸气但排斥一氧化氮，然后被解吸和浓缩在一个或多个冷点浓缩器中。高速气相色谱仪（GC）分离蒸汽，之后特定的蒸汽在平行排列的两个热解器中分解，并检测到所产生的一氧化氮。含有银的低温热解器由硝胺或亚硝酸酯产生NO; 高温热解器分解所有爆炸物蒸汽，以允许其他爆炸物的爆破。还公开了热解器和气相色谱仪的串联布置和用于某些蒸气的时移检测的NO检测器，并且促进非常快速的GC分析。使用氢气作为载气，加上独特的收集器和浓缩器，高速加热器，NO检测器和非常快速的温度可编程GC增强了选择性，灵敏度和检测速度。

69. 发明授权

US4383839A Method and device for vaporization injection of a liquid sample for gas chromatographic analysis 失效
标题翻译：用于气相色谱分析的液体样品的蒸发注入方法和装置
公开(公告)号：US4383839A
公开(公告)日：1983-05-17
申请号：US318907
申请日：1981-11-06
申请人： Giorgio Sisti , Mario Galli , Sorin Trestianu
发明人： Giorgio Sisti , Mario Galli , Sorin Trestianu
IPC分类号： G01N30/16 , G01N30/10 , G01N30/12 , G01N30/30 , G01N30/38 , B01D15/08
CPC分类号： G01N30/12 , G01N30/30 , G01N2030/122 , G01N2030/165 , G01N2030/167 , G01N2030/3046 , G01N2030/383 , G01N30/10
摘要： This invention relates to a method and a device for vaporization injection of a liquid sample in a gas chromatographic column housed in an oven comprising a direct on column injector suitable for injecting a liquid sample into the initial zone of a capillary column and capable of pneumatically sealing the injection port at the end of injection. Between the injector and the gas chromatographic column itself an uncoated capillary column length is provided in which vaporization of the injected sample occurs using heat from an oven housing said capillary column length, said oven being the same or separate from the oven containing said gas chromatographic column.
摘要翻译：本发明涉及一种用于在容纳在烘箱中的气相色谱柱中蒸发注入液体样品的方法和装置，该烘箱包括直接在柱式喷射器上的适用于将液体样品注入毛细管柱的初始区域并能够气动密封注射端口在注射结束时。在注射器和气相色谱柱本身之间，提供未涂布的毛细管柱长度，其中使用来自容纳所述毛细管柱长度的烘箱的加热器进行喷射样品的蒸发，所述烘箱与包含所述气相色谱柱的烘箱相同或分离。

70. 发明申请

WO2013106236A1 MODIFICATION OF COLD JET NOZZLE IN A JET MODULATOR DESIGN FOR COMPREHENSIVE TWO-DIMENSIONAL GAS CHROMATOGRAPHY 审中-公开
标题翻译：喷气式喷嘴设计中的冷喷射喷嘴的改进用于全面的二维气相色谱
公开(公告)号：WO2013106236A1
公开(公告)日：2013-07-18
申请号：PCT/US2013/020187
申请日：2013-01-04
申请人： EXXONMOBIL RESEARCH AND ENGINEERING COMPANY
发明人： WANG, Frank, Cheng-Yu
IPC分类号： G01N30/46
CPC分类号： B01D53/0438 , G01N30/463 , G01N30/465 , G01N2030/122 , G01N2030/3023
摘要： A collimator (6) fixed to the cold jet nozzle (1) of a modulator of a two- dimensional gas chromatograph to aid in the alignment of the cold jet nozzle (1) and the loop modulator tube (3).
摘要翻译：固定到二维气相色谱仪的调制器的冷喷嘴（1）的准直器（6），以帮助冷喷嘴（1）和环形调制器管（3）的对准。

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