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公开(公告)号：US06437327B2
公开(公告)日：2002-08-20
申请号：US09859508
申请日：2001-05-18
IPC分类号： H01J4910
CPC分类号： H01J49/165 , G01N30/7266 , H01J49/168
摘要： A mass spectrometer including a sprayer for spraying a sample solution, a needle electrode for ionizing the sample contained in the sample solution, an aperture for introducing the ions of the sample into a lower pressure region having a pressure lower than the pressure of a region in which the needle electrode is disposed, and a mass spectrometric apparatus for analyzing the ions introduced from the aperture. A direction of a spray caused by the sprayer is almost perpendicular to or at an angle with respect to a center axis of the aperture, and a tip of the needle is disposed facing to an electrode having the aperture.
摘要翻译： 一种质谱仪，包括用于喷射样品溶液的喷雾器，用于使包含在样品溶液中的样品电离的针状电极，用于将样品的离子引入低于区域压力的低压区域的孔 设置针状电极的质谱仪和用于分析从孔径引入的离子的质谱仪。 由喷雾器引起的喷雾方向几乎与孔的中心轴垂直或成一定角度，并且针的尖端面向具有孔的电极。
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2.发明授权Mass spectrometer and mass spectrometry method for analyzing compounds contained in a solution 有权用于分析溶液中所含化合物的质谱仪和质谱法
公开(公告)号：US6114693A
公开(公告)日：2000-09-05
申请号：US299638
申请日：1999-04-27
申请人： Atsumu Hirabayashi , Yukiko Hirabayashi , Minoru Sakairi , Yasuaki Takada , Takayuki Nabeshima , Hideaki Koizumi
发明人： Atsumu Hirabayashi , Yukiko Hirabayashi , Minoru Sakairi , Yasuaki Takada , Takayuki Nabeshima , Hideaki Koizumi
IPC分类号： G01N27/62 , G01N27/447 , G01N30/72 , H01J49/04 , H01J49/10
CPC分类号： G01N30/7266 , H01J49/0468 , H01J49/167
摘要： A mass spectrometer comprising a passage through which a sample solution flows, the passage including a capillary having an open tip, the sample solution flowing through the capillary out of the open tip of the capillary, a gas passage which forms a gas flow around the open tip of the capillary, the gas flow spraying the sample solution flowing out of the open tip of the capillary, a first electrode which contacts the sample solution flowing in the passage and applies an electric potential to the sample solution flowing in the passage, a second electrode disposed around the capillary near the open tip of the capillary, the second electrode being downstream from the first electrode with respect to a direction in which the sample solution flows in the passage, there being no gap extending downstream from the open tip of the capillary to the second electrode in a direction in which the sample solution flows out of the open tip of the capillary, the second electrode being electrically isolated from the sample solution flowing in the capillary and applying an electric field to the sample solution flowing in the capillary, and an analyzer which analyzes a mass of gaseous ions formed from the sample solution sprayed by the gas flow.
摘要翻译： 一种质谱仪，包括样品溶液流过的通道，所述通道包括具有开口尖端的毛细管，所述样品溶液从毛细管的开口尖端流过毛细管，气体通道围绕开口形成气流 毛细管的尖端，气流喷射从毛细管的开口尖端流出的样品溶液，第一电极，其接触在通道中流动的样品溶液，并向在通道中流动的样品溶液施加电位，第二电极 设置在毛细管附近的毛细管周围的电极，第二电极相对于样品溶液在通道中流动的方向从第一电极下游，在毛细管的开口尖端的下游没有间隙 在样品溶液从毛细管的开口尖端流出的方向到第二电极，第二电极是电隔离的 从在毛细管中流动的样品溶液流出并向在毛细管中流动的样品溶液施加电场，以及分析器，其分析由气流喷射的样品溶液形成的气态离子的质量。
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公开(公告)号：US20080237459A1
公开(公告)日：2008-10-02
申请号：US12081625
申请日：2008-04-18
IPC分类号： B01D59/44
CPC分类号： H01J49/045
摘要： An ion source includes a body having a gas passage and an orifice. A capillary is inserted into the gas passage so that a tip portion of the capillary extends into the orifice. A gas supplier supplies a gas into the gas passage to form a gas flow through the gas passage along the capillary and through the orifice past a tip of the capillary so that the gas flow sprays a sample solution flowing through the capillary from the tip of the capillary. A flow controller regulates a pressure of the gas in the gas passage to adjust a characteristic value F/S to a predetermined value, where F is a flow rate of the gas flow at standard conditions (20.degree. C., 1 atmosphere), and S is a difference between a cross section of the orifice and a cross section of the tip portion of the capillary in the orifice.
摘要翻译： 离子源包括具有气体通道和孔的主体。 毛细管插入到气体通道中，使得毛细管的尖端部分延伸到孔中。 气体供应商将气体供应到气体通道中以形成沿着毛细管的气体通道的气流，并且通过孔经过毛细管的尖端，使得气流从其中的尖端喷射流过毛细管的样品溶液 毛细管。 流量控制器调节气体通道中的气体的压力，以将特性值F / S调节到预定值，其中F是在标准条件（20℃，1个大气压）下的气体流量的流量， ，S是孔口的截面与孔口中的毛细管的前端部的截面的差。
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公开(公告)号：US06384411B1
公开(公告)日：2002-05-07
申请号：US09627334
申请日：2000-07-27
IPC分类号： B01D5944
CPC分类号： H01J49/045
摘要： An ion source includes a gas supplier which supplies a gas through a gas inlet into a gas passage defined in a body to form a gas flow through the gas passage along a capillary inserted into the body and through an orifice defined in the body past a tip of the capillary so that the gas flow sprays a sample solution from the tip of the capillary. The gas supplier regulates a pressure of the gas in the gas passage to adjust a characteristic value F/S to a predetermined value, where F is a flow rate of the gas flow at standard conditions (20° C., 1 atmosphere), and S is a difference between a cross section of the orifice and a cross section of a tip portion of the capillary in the orifice.
摘要翻译： 离子源包括气体供应器，其通过气体入口将气体供给到限定在体内的气体通道中，以形成沿着插入到体内的毛细管通过气体通道的气流，并且通过限定在体内的孔经过尖端 的毛细管，使得气流从毛细管的尖端喷射样品溶液。 气体供给器调节气体通道中的气体的压力，以将特性值F / S调整到预定值，其中F是在标准条件（20℃，1个大气压）下的气体流量的流量， S是孔口的截面与孔口中的毛细管的尖端部分的横截面之间的差异。
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公开(公告)号：US06335525B1
公开(公告)日：2002-01-01
申请号：US09525529
申请日：2000-03-15
IPC分类号： B01D5944
CPC分类号： H01J49/145 , H01J49/0431 , H01J49/049 , H01J49/165 , H01J49/168
摘要： A mass spectrometer includes a sample separation apparatus which separates a sample solution into gaseous molecules, a plurality of ion sources which ionize the gaseous molecules to produce ions, and a mass analysis region which mass-analyzes ions produced by one of the ion sources. One of the ion sources may include a needle electrode which generates corona discharge for use in ionizing the gaseous molecules. The ion sources may be provided under a first pressure condition, and the mass analysis region may be provided under a second pressure condition lower than the first pressure condition.
摘要翻译： 质谱仪包括将样品溶液分离成气态分子的样品分离装置，使气态分子离子化产生离子的多个离子源，以及质量分析离子源之一产生的离子的质量分析区域。 离子源之一可以包括产生用于电离气态分子的电晕放电的针状电极。 可以在第一压力条件下提供离子源，并且可以在低于第一压力条件的第二压力条件下提供质量分析区域。
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公开(公告)号：US6147347A
公开(公告)日：2000-11-14
申请号：US328664
申请日：1999-06-09
CPC分类号： H01J49/045
摘要： A mass spectrometer includes a sample passage through which a sample solution flows towards a tip of the sample passage, a gas passage which produces a gas flow along the sample passage towards an orifice of the gas passage, a gas supplier which supplies a gas to the gas passage so that the gas flow has a velocity effective for spraying the sample solution near the tip of the sample passage, and an analyzer which analyzes a mass of gaseous ions formed from the sample solution sprayed by the gas flow. The gas flow has a characteristic value F/S between 350 meters/second (m/s) and 700 m/s, where F is a flow rate of the gas at standard conditions (20.degree. C., 1 atmosphere), and S is a difference between a cross section of the orifice and a cross section of the sample passage at the orifice. An exposed length of the sample passage between an external opening of the orifice and the tip of the sample passage may be between -0.25 mm and 1.2 mm.
摘要翻译： 质谱仪包括样品通道，样品溶液通过该样品通道流向样品通道的尖端，气体通道，其沿着样品通道朝向气体通道的孔口产生气流;气体供应器，其向 气体通道使得气流具有用于喷射样品通道末端附近的样品溶液的速度，以及分析器，其分析由气流喷射的样品溶液形成的气态离子的质量。 气体流量在350米/秒（m / s）和700m / s之间具有特征值F / S，其中F是在标准条件（20℃，1个大气压）下气体的流速，S 是孔口的横截面和孔口处的样品通道的横截面之间的差异。 在孔的外部开口和样品通道的尖端之间的样品通道的暴露长度可以在-0.25mm和1.2mm之间。
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7.发明授权Mass spectrometer and mass spectrometry method for analyzing compounds contained in a solution 失效用于分析溶液中所含化合物的质谱仪和质谱法
公开(公告)号：US5898175A
公开(公告)日：1999-04-27
申请号：US708415
申请日：1996-09-05
申请人： Atsumu Hirabayashi , Yukiko Hirabayashi , Minoru Sakairi , Yasuaki Takada , Takayuki Nabeshima , Hideaki Koizumi
发明人： Atsumu Hirabayashi , Yukiko Hirabayashi , Minoru Sakairi , Yasuaki Takada , Takayuki Nabeshima , Hideaki Koizumi
IPC分类号： G01N27/62 , G01N27/447 , G01N30/72 , H01J49/04 , H01J49/10
CPC分类号： G01N30/7266 , H01J49/0468 , H01J49/167
摘要： A mass spectrometer employing an ion source includes a capillary for spraying therethrough liquid into the atmospheres and an orifice through which a portion in the vicinity of a tip of the capillary is inserted, the orifice being designed in such a way that gases are caused to flow up to the tip of the capillary along a peripheral wall face of the capillary. The flow rate of gas in the vicinity of the tip of the capillary is about the sonic velocity, and a voltage is applied across the liquid flowing through the capillary and the orifice or an electrode arranged in the vicinity of the tip of the capillary.
摘要翻译： 使用离子源的质谱仪包括用于将液体喷射到气氛中的毛细管和插入毛细管的尖端附近的部分的孔，孔被设计成使气体流动 直到毛细管的尖端沿着毛细管的周壁面。 毛细管尖端附近的气体的流速大约是声速，并且在流过毛细管的液体和布置在毛细管尖端附近的孔或电极之间施加电压。
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公开(公告)号：US07645983B2
公开(公告)日：2010-01-12
申请号：US10139241
申请日：2002-05-07
IPC分类号： H01J49/00
CPC分类号： H01J49/045
摘要： An ion source includes a body having a gas passage and an orifice. A capillary is inserted into the gas passage so that a tip portion of the capillary extends into the orifice. A gas supplier supplies a gas into the gas passage to form a gas flow through the gas passage along the capillary and through the orifice past a tip of the capillary so that the gas flow sprays a sample solution flowing through the capillary from the tip of the capillary. A flow controller regulates a pressure of the gas in the gas passage to adjust a characteristic value F/S to a predetermined value, where F is a flow rate of the gas flow at standard conditions (20° C., 1 atmosphere), and S is a difference between a cross section of the orifice and a cross section of the tip portion of the capillary in the orifice.
摘要翻译： 离子源包括具有气体通道和孔的主体。 毛细管插入到气体通道中，使得毛细管的尖端部分延伸到孔中。 气体供应商将气体供应到气体通道中以形成沿着毛细管的气体通道的气流，并且通过孔经过毛细管的尖端，使得气流从其中的尖端喷射流过毛细管的样品溶液 毛细管。 流量控制器调节气体通道中的气体的压力，以将特征值F / S调节到预定值，其中F是在标准条件（20℃，1个大气压）下气流的流量，以及 S是孔口的截面与孔口中的毛细管的尖端部分的横截面之间的差异。
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公开(公告)号：US06252225B1
公开(公告)日：2001-06-26
申请号：US09492352
申请日：2000-01-27
IPC分类号： H01J4910
CPC分类号： H01J49/165 , G01N30/7266 , H01J49/168
摘要： A mass spectrometer including a sprayer for spraying a sample solution, a needle electrode for ionizing the sample contained in the sample solution, an aperture for introducing the ions of the sample into a lower pressure region having a pressure lower than the pressure of a region in which the needle electrode is disposed, and a mass spectrometric apparatus for analyzing the ions introduced from the aperture. A direction of a spray caused by the sprayer is almost perpendicular to a center axis of the aperture and a tip of the needle is disposed facing to an electrode having the aperture.
摘要翻译： 一种质谱仪，包括用于喷射样品溶液的喷雾器，用于使包含在样品溶液中的样品电离的针状电极，用于将样品的离子引入低于区域压力的低压区域的孔 设置针状电极的质谱仪和用于分析从孔径引入的离子的质谱仪。 由喷雾器引起的喷雾方向几乎垂直于孔的中心轴线，并且针的尖端面向具有孔的电极设置。
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公开(公告)号：US06188065B1
公开(公告)日：2001-02-13
申请号：US09260552
申请日：1999-03-02
IPC分类号： G01D5944
CPC分类号： H01J49/145 , H01J49/0431 , H01J49/049 , H01J49/165 , H01J49/168
摘要： A mass spectrometer includes a sample supplier which supplies a sample solution, the sample solution including a solvent, ions, and a solute, the solute being a sample to be analyzed, an ion converter, disposed after the sample supplier, which converts the ions in the sample solution into gaseous ions, an ion source, disposed after the ion converter, which ionizes the sample in the sample solution, thereby producing sample ions, a mass analyzer which analyzes masses of the sample ions produced by the ion source, and an ion blocking electrode which prevents the gaseous ions produced by the ion converter from reaching the ion source, thereby preventing the mass analyzer from analyzing masses of the gaseous ions produced by the ion converter.
摘要翻译： 质谱仪包括供样品溶液的样品供应商，包含溶剂的样品溶液，离子和溶质，作为待分析样品的溶质，设置在样品供应者之后的离子转化器，其将离子转化为 将样品溶液变成气态离子，离子源，设置在离子转换器之后，将样品溶液中的样品离子化，从而产生样品离子;分析质量分析器，其分析由离子源产生的样品离子的质量;以及离子 阻止由离子转换器产生的气体离子到达离子源的阻挡电极，从而防止质量分析器分析由离子转换器产生的气态离子的质量。
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