RU2015122706A - DEVICE OF STABLE ELECTRIC SPRAY AT THE ATMOSPHERIC PRESSURE OF SOLUTIONS OF SUBSTANCES FOR ION SOURCES - Google Patents
DEVICE OF STABLE ELECTRIC SPRAY AT THE ATMOSPHERIC PRESSURE OF SOLUTIONS OF SUBSTANCES FOR ION SOURCES Download PDFInfo
- Publication number
- RU2015122706A RU2015122706A RU2015122706A RU2015122706A RU2015122706A RU 2015122706 A RU2015122706 A RU 2015122706A RU 2015122706 A RU2015122706 A RU 2015122706A RU 2015122706 A RU2015122706 A RU 2015122706A RU 2015122706 A RU2015122706 A RU 2015122706A
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- RU
- Russia
- Prior art keywords
- capillary
- inner channel
- coaxial
- diameter
- meniscus
- Prior art date
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N30/00—Investigating or analysing materials by separation into components using adsorption, absorption or similar phenomena or using ion-exchange, e.g. chromatography or field flow fractionation
- G01N30/02—Column chromatography
- G01N30/62—Detectors specially adapted therefor
- G01N30/72—Mass spectrometers
- G01N30/7233—Mass spectrometers interfaced to liquid or supercritical fluid chromatograph
- G01N30/724—Nebulising, aerosol formation or ionisation
- G01N30/7266—Nebulising, aerosol formation or ionisation by electric field, e.g. electrospray
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- Other Investigation Or Analysis Of Materials By Electrical Means (AREA)
- Electron Tubes For Measurement (AREA)
Abstract
Устройство стабильного электрораспыления при атмосферном давлении растворов веществ для источников ионов, включающее капилляр, в торце которого расположен мениск распыляемого раствора и коаксиально которому расположен внешний капилляр большего диаметра, плоский противоэлектрод, коаксиальный зазор между капиллярами подключен к воздушному откачивающему насосу, отличающееся тем, что коаксиальный внешний капилляр выполнен в виде коаксиальной насадки из химически стойкого, несмачиваемого, непористого диэлектрика, при этом торец насадки со стороны мениска имеет форму усеченного конуса с диаметром сечения и внутренним каналом, равным двум диаметрам капилляра, на котором расположен мениск, внутренний канал расположен соосно оси прямого усеченного конуса и имеет переменное сечение, длина внутреннего канала, равная диаметру сечения конуса, составляет пять его диаметров, далее диаметр внутреннего канала много больше начального, вершина конуса имеет угол не более 90 градусов, плоский противоэлектрод электрически присоединен к высоковольтному источнику питания, а металлический капилляр заземлен.A device for stable electrospraying at atmospheric pressure of solutions of substances for ion sources, including a capillary, at the end of which there is a meniscus of the sprayed solution and coaxially to which there is an external capillary of a larger diameter, a flat counter electrode, a coaxial gap between the capillaries is connected to an air pump, characterized in that the external coaxial the capillary is made in the form of a coaxial nozzle of a chemically resistant, non-wettable, non-porous dielectric, with the end face of the nozzles the meniscus side has the shape of a truncated cone with a cross-sectional diameter and an inner channel equal to the two diameters of the capillary on which the meniscus is located, the inner channel is coaxial to the axis of the straight truncated cone and has a variable cross section, the length of the inner channel equal to the diameter of the cone section is five diameters, then the diameter of the inner channel is much larger than the initial one, the top of the cone has an angle of no more than 90 degrees, the flat counter electrode is electrically connected to the high-voltage power source, and the metal esky capillary grounded.
Claims (1)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
RU2015122706A RU2608362C2 (en) | 2015-06-11 | 2015-06-11 | Device of stable electro-spraying solutions of substances at atmospheric pressure for ion sources |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
RU2015122706A RU2608362C2 (en) | 2015-06-11 | 2015-06-11 | Device of stable electro-spraying solutions of substances at atmospheric pressure for ion sources |
Publications (2)
Publication Number | Publication Date |
---|---|
RU2015122706A true RU2015122706A (en) | 2016-12-27 |
RU2608362C2 RU2608362C2 (en) | 2017-01-18 |
Family
ID=57759290
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
RU2015122706A RU2608362C2 (en) | 2015-06-11 | 2015-06-11 | Device of stable electro-spraying solutions of substances at atmospheric pressure for ion sources |
Country Status (1)
Country | Link |
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RU (1) | RU2608362C2 (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
RU2754826C1 (en) * | 2020-09-25 | 2021-09-07 | Федеральное государственное бюджетное учреждение науки Институт аналитического приборостроения Российской академии наук | Method for forming proton beams under atmospheric pressure |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2002095360A2 (en) * | 2001-05-24 | 2002-11-28 | New Objective, Inc. | Method and apparatus for multiple electrospray sample introduction |
RU2530783C2 (en) * | 2012-04-27 | 2014-10-10 | Федеральное государственное бюджетное учреждение науки Институт аналитического приборостроения Российской академии наук (ИАП РАН) | Apparatus for electrospraying chromatographic streams of test solutions of substances for ion sources |
CN105723213B (en) * | 2013-08-29 | 2019-09-13 | 圣母大学 | Highly sensitive electrojet interface |
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2015
- 2015-06-11 RU RU2015122706A patent/RU2608362C2/en not_active IP Right Cessation
Also Published As
Publication number | Publication date |
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RU2608362C2 (en) | 2017-01-18 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
MM4A | The patent is invalid due to non-payment of fees |
Effective date: 20180612 |