EP1566829A2 - Verfahren zur Gewinnung eines Ausgangs- Ionenstroms - Google Patents
Verfahren zur Gewinnung eines Ausgangs- Ionenstroms Download PDFInfo
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- EP1566829A2 EP1566829A2 EP04028501A EP04028501A EP1566829A2 EP 1566829 A2 EP1566829 A2 EP 1566829A2 EP 04028501 A EP04028501 A EP 04028501A EP 04028501 A EP04028501 A EP 04028501A EP 1566829 A2 EP1566829 A2 EP 1566829A2
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- region
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- 238000000034 method Methods 0.000 title claims abstract description 26
- 238000004519 manufacturing process Methods 0.000 title description 2
- 150000002500 ions Chemical class 0.000 claims abstract description 195
- 238000006243 chemical reaction Methods 0.000 claims abstract description 73
- 239000000376 reactant Substances 0.000 claims abstract description 33
- 239000007789 gas Substances 0.000 claims description 117
- 230000005684 electric field Effects 0.000 claims description 18
- 230000015572 biosynthetic process Effects 0.000 claims description 8
- 230000008569 process Effects 0.000 claims description 5
- MWUXSHHQAYIFBG-UHFFFAOYSA-N Nitric oxide Chemical compound O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 18
- 239000000203 mixture Substances 0.000 description 11
- 239000000126 substance Substances 0.000 description 11
- 208000018459 dissociative disease Diseases 0.000 description 10
- 238000010494 dissociation reaction Methods 0.000 description 8
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 6
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 5
- 125000004429 atom Chemical group 0.000 description 5
- 238000000605 extraction Methods 0.000 description 5
- 238000004949 mass spectrometry Methods 0.000 description 5
- 238000000451 chemical ionisation Methods 0.000 description 4
- 230000007935 neutral effect Effects 0.000 description 4
- 239000000047 product Substances 0.000 description 4
- 229910021529 ammonia Inorganic materials 0.000 description 3
- 229910052786 argon Inorganic materials 0.000 description 3
- 230000002452 interceptive effect Effects 0.000 description 3
- 238000000752 ionisation method Methods 0.000 description 3
- 229910052757 nitrogen Inorganic materials 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- 238000005192 partition Methods 0.000 description 3
- 230000035939 shock Effects 0.000 description 3
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- GQPLMRYTRLFLPF-UHFFFAOYSA-N Nitrous Oxide Chemical compound [O-][N+]#N GQPLMRYTRLFLPF-UHFFFAOYSA-N 0.000 description 2
- 238000001360 collision-induced dissociation Methods 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 229910052743 krypton Inorganic materials 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 238000001228 spectrum Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 101100537098 Mus musculus Alyref gene Proteins 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- 101150095908 apex1 gene Proteins 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000009849 deactivation Effects 0.000 description 1
- 238000005421 electrostatic potential Methods 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 125000004435 hydrogen atom Chemical class [H]* 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 230000005865 ionizing radiation Effects 0.000 description 1
- 239000001272 nitrous oxide Substances 0.000 description 1
- 239000002243 precursor Substances 0.000 description 1
- 239000011164 primary particle Substances 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 239000012495 reaction gas Substances 0.000 description 1
- 239000012713 reactive precursor Substances 0.000 description 1
- 230000000153 supplemental effect Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J49/00—Particle spectrometers or separator tubes
- H01J49/02—Details
- H01J49/04—Arrangements for introducing or extracting samples to be analysed, e.g. vacuum locks; Arrangements for external adjustment of electron- or ion-optical components
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J49/00—Particle spectrometers or separator tubes
- H01J49/02—Details
- H01J49/10—Ion sources; Ion guns
- H01J49/14—Ion sources; Ion guns using particle bombardment, e.g. ionisation chambers
- H01J49/145—Ion sources; Ion guns using particle bombardment, e.g. ionisation chambers using chemical ionisation
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J49/00—Particle spectrometers or separator tubes
- H01J49/26—Mass spectrometers or separator tubes
Definitions
- the invention relates to a method for obtaining a substantially only from a single type of ion existing output ion current, wherein the Ionization of a source gas in a lonisations Scheme formed ions and / or ions extracted from the ionization region in a region in which There is source gas left to react until essentially only one or more source ion types are present that are not with the source gas react.
- Such a method is known for example from AT 001 637 U1.
- This document describes a process for obtaining an ion stream consisting essentially of H 3 O + ions.
- water vapor is ionized in an ionization region by means of an ion source, whereby various ions are formed (O + , OH + , H + , H 2 + , ...).
- These ions are extracted by means of a weak electric field into a region outside the ionization region and are left in this region, in which H 2 O is at a pressure above 0.01 Torr, until the first of H 3 O + ions have converted various ions by subsequent reactions in H 3 O + ions.
- the ion current is also passed through an electric field whose field strength is sufficiently high, so that H 3 O + .
- H 2 O cluster ions formed by association reactions with neutral ions occur between two successive bursts Shock partners have acquired sufficient kinetic energy, so that these shocks are predominantly dissociative. It prevents the formation of such cluster ions or largely reversed.
- H 2 O may also be admixed with an additional gas, such as Ar, Kr or N 2 , which serves as cluster partner for the cluster ions but does not react chemically with the H 3 O + ions.
- Such an ion stream consisting essentially of H 3 O + ions can be used in particular as a primary ion stream for the chemical ionization of a sample gas by proton exchange reactions in order to mass spectrometrically examine the ions formed in the sample gas.
- This proton exchange reaction mass spectrometry, PTR-MS for short is described in AT 001 637 U1 and the references cited therein.
- AT 406 206 B further discloses a process analogous to the process known from AT 001 637 U1 for obtaining an ion stream consisting essentially of NH 4 + ions.
- ammonia NH 3
- the ions formed are left after extraction from the ionization area in a range with an ammonia pressure of above 0.01 Torr (1.33 Pascal) until the substantially only NH 4 + ion has formed ion current (to prevent or reverse the formation of cluster ions again a sufficiently high electric field strength is applied to induce shocks).
- EP 000 865 A1 describes the investigation of a substance gas, which is ionized for this purpose by ion-molecule reactions.
- the Chemical ionization of the substance gas takes place here as an ionization chamber described space (which is commonly referred to as "drift tube") becomes.
- the ionization chamber becomes partially ionized primary gas from an ion source fed, which is designed here as a gas discharge chamber.
- a reactant gas is supplied in addition to the substance gas, which with the entering from the ion source in the ionization chamber ions and in turn ionizes the substance gas.
- In the ionization chamber is thus a mixture of the more or less ionized Components of the primary gas, reactant gas and bulk gas.
- An extraction essentially consisting of only a single ionic species Output ion current is not apparent from this document.
- To the exit opening The ionization chamber both the ionized primary particles as well as the Reactant gas and substance ions out
- the object of the invention is to determine the spectrum of producible output ion currents, which essentially consist of only one single ionic species, without the need for a mass spectrometric filtering (as in the AT 403 214 B) is required. This is achieved by the invention a method having the features of patent claim 1.
- the addition of the reactant gas in one of the primary ionization space spatially Separate reaction area has the further advantage that also added gases their presence in the primary ionization region is problematic would be, for. B. NO in filament ion sources (leads to rapid filament breakage) or carbonaceous gases in plasma ion sources (leading to carbon deposits).
- suitable measures are taken so that a backflow of the reactant gas from the reaction area into the ionization area in the Essentially prevented, d. H. less than 10%, preferably less than 5% of the partial pressure in the ionization region should be from the reactant gas or from it formed products.
- the lonisations Scheme and the reaction area forming spaces by one or more Partitions to be separated, wherein in a respective intermediate wall a Aperture is arranged, and by appropriate pumping means in the direction from the ionization region to the reaction region pointing gas flow be maintained by at least one of the apertures.
- the ions extracted from the ionization region directly into the reaction zone respectively it is preferred that extracted from the ionization area first to lead them to an intermediate area in which they stay be left until the first of the one or more Substantially different (i.e., greater than 90%, preferably greater than 95%) in ions of the one or more source ion species have converted. From this intermediate area can in the Follow ion of one or more source ion species in the reaction area be extracted in that they by adding the reactant gas in the only ionic species of the parent ionic stream substantially (i.e., greater than 90%, preferably more than 95%).
- the reactions of the ions formed in the ionization are too Essentially, the ions of the one or more source ion species are already in the ionization occurs or these reactions are mainly or to Part in the reaction area instead. It must have source gas with sufficient Pressure (for example, more than 1 Pascal) may be present in the reaction area. Furthermore, the reactant gas should not be allowed to come in contact with ions, which are not yet in ions which have been converted to one or more source ion species. For some combinations of source gases and reactant gases, this is the case. It would be conceivable and possible, in special cases, of the primary ions and / or secondary products interfering ion types (which with the reactant gas to unwanted ion types) by adding a suitable additional gas to transform into non-interfering ions.
- a clean gas or a gas mixture can be used as a source gas.
- a clean gas or a gas mixture can be used for the Reactant gas.
- the Reactant gas is the preferred use of a clean gas, the use of Gas mixtures would also be conceivable and possible.
- the device shown schematically in the figure for carrying out the inventive Procedure has three areas.
- the primary ionization area A is fed by a supply 1, a source gas.
- a source gas In the ionization area A is an ion source not shown in detail 2 arranged.
- the primary ionization of the source gas takes place z. B. by electron emission from a filament, by ionizing radiation (eg ⁇ -particles), by an electric discharge or other ionization method.
- the choice of primary ionization method is not relevant to the subject invention.
- the source gas used is a clean gas, for example hydrogen (H 2 ), or a gas mixture, for example H 2 argon (Ar) or nitrogen (N 2 ) nitrous oxide (N 2 O).
- H 2 hydrogen
- Ar hydrogen
- N 2 nitrogen
- N 2 O nitrous oxide
- Total pressure and partial pressures depend on the choice of ionization method (low pressure or high pressure ion source).
- a multiplicity of species ions, electrons, Atoms, molecules, radicals, excited atoms, excited molecules.
- the intermediate region B is fed with the source gas (total pressure> 0.01 mbar, particle gas density N B ).
- the feed can be done by flowing out of the ionization region A in the intermediate region of source gas.
- the pressure of the source gas in the intermediate region B may be similar or equal to the pressure of the source gas in the ionization region A.
- an electric field of field strength E B is applied by electrodes 5.
- the intermediate region is at a temperature T B.
- the ions extracted from the primary ionization region A interact with the source gas.
- the spectrum of interactions includes binary ion-molecule reactions (eg H 2 + + H 2 ⁇ H 3 + + H), ternary ion-molecule reactions (eg H + + H 2 + H 2 ⁇ H 3 + + H 2 ), collision-induced dissociation reactions (eg H 3 + • H 2 + H 2 ⁇ H 3 + + H 2 + H 2 ), as well as activation and deactivation reactions (eg (H 2 + ) * + H 2 ⁇ H 2 + + H 2 )
- the parameters E B / N B and T B define the reaction conditions, ie by varying these parameters it is possible to prefer or suppress certain reaction channels.
- the ion stream extracted from the primary ionization region A consisting of numerous ion species is converted into a selective ionic stream substantially of an ion species not reacting with the source gas or an ionic stream of essentially several ion species not reacting with the source gas.
- source ion species These one or more ion species which do not react with the source gas, ie they are "stable" to the source gas, are referred to in this document as "source ion species”.
- the ionic current is preferably at least 90% of the one or more source ion species, with a value of at least 95% being particularly preferred.
- the proportion of ions of the source ion species could also be lower than the stated value of preferably 90% or 95%, for example if a proportion of cluster ions (eg H 3 + .H 2 ) is present, which is converted into dissociation reactions in ions of the one or more source ion species (plus neutral source gas) only in reaction region C described below by applying an electric field with a sufficient field strength in the reaction region C to carry out the required collision-induced dissociation reactions becomes.
- a proportion of cluster ions eg H 3 + .H 2
- E B / N B and T B vary depending on the application example. It would also be conceivable and possible to improve the efficiency of the dissociation reactions taking place in the intermediate region B by adding an additional gas (eg Ar, Kr or N 2 ) to the source gas which does not react with the ions extracted in the intermediate region via ion molecule reactions but instead only serves as collision partner.
- an additional gas eg Ar, Kr or N 2
- a selective H 3 + ion stream is also formed (compare ref3: Praxmarer et al., J. Chem. Phys. 100 (12), 8884-8889, 1994).
- source gas mixtures of H 2 with a pure gas X whose proton affinity is smaller than that of H 2 is formed as source ion type H 3 + . If the proton affinity of component X is greater than that of H 2 , XH + ions are formed as source ion species.
- reaction conditions are chosen so that a selective O - ion current is maintained (ref2).
- the intermediate region B is of conventional methods and devices for Obtaining a selective ion current already known (he corresponds to the areas B and C of AT 001 637 U1 and AT 406 206 B) and is also referred to as "source drift region. "Intermediate area B could also be divided into two subareas Be split B1 and B2. In the area B1 then the source gas would be present, but the electric field strength is too small for dissociation reactions. In the following Area B2 would have a higher field strength to the dissociation reactions cause.
- the resulting ions are the one or more sources of ionic species through an aperture 6 in an intermediate wall 7 extracted in the reaction area C.
- reaction region C an additional, different from the source gas in its chemical composition, reactive collision partner is added, which is referred to in the context of this document as a reactant gas.
- the reactant gas can be formed by a clean gas or a gas mixture.
- the total pressure in the reaction region C is more than 0.01 mbar (particle gas density N c ).
- the partial pressures of source gas and reactant gas vary depending on the source and reactant gas used.
- the admixture of the reactant gas is effected by a feed 8 shown schematically in the figure. By means of electrodes 9, an electric field of the field strength E c is applied.
- the reaction region C is at a temperature T c .
- the parameters E c / N c and T c define the reaction conditions, ie by varying these parameters it is possible to favor certain reaction channels and suppress others to produce a selective ion source ion stream.
- the field strength of the field E c dissociation reactions can be effected in order to reverse the formation of cluster ions or to prevent their formation from the outset.
- an additional gas could also be mixed into the reaction region C, which does not react with the ions present in the reaction region C via ion molecule reactions, but serves only as a collision partner.
- an electrostatic potential is preferably generated. It is hereby preferred that in the intermediate region B and / or in the reaction region C, a homogeneous electric field E B or E c is generated. Due to the homogeneity of the electric field E B or E c , the reaction conditions can be manipulated in an advantageous manner, ie, certain reaction channels are preferred or suppressed.
- the partial pressure of the substance gas in the reaction region C is less than 1/10 of the partial pressure of the substance gas in the drift tube.
- reactive components e.g., nitrogen
- the type of ion at the exit 10 differs from the one or more Source ionic species.
- BH 3 + ions are extracted as source ion species at the exit of the intermediate region, they can be used to generate, for example, initial ion currents which have the following ions in each case as substantially single ion species: N 2 H + , H 3 O + , NO + , NH 4 + .
- Reactant gases which react with the H 3 + ion stream from intermediate region B to the single ion species forming the parent ion stream are: Nitrogen (N 2 ) H 3 + + N 2 ⁇ N 2 H + + H 2 resulting selective output ion current N 2 H + Water (H 2 O) H 3 + + H 2 O ⁇ H 3 O + + H 2 resulting selective output ion current H 3 O + Nitric oxide (NO) H 3 + + NO ⁇ HNO + + H 2 ENT + + NO ⁇ NO + + ENT resulting selective output ion current NO + Ammonia (NH 3 ) H 3 + + NH 3 ⁇ NH 4 + + H 2 resulting selective ion current: NH 4 +
- a selective OH - exit ion current can be obtained from the O - ion stream extracted from the intermediate region B by means of the reactant gases methane (CH 4 ) or H 2 : O - + CH 4 ⁇ OH - + CH 3 O - + H 2 ⁇ OH - + H
- N 2 H + is formed as N 2 reactant gas as the starting ion current, if the proton affinity of component X is smaller than that of N 2 .
- H 2 O as the reactant gas, if the proton affinity of X is less than the proton affinity of H 2 O, then the essentially single ion species of the H 2 O + source ion current is formed.
- the intermediate region B eliminated.
- the reactions of the ions formed in the ionization region to those not with the source gas reactive source ion type or the more not with Source ion species that react to the source gas could then be either already in the ionization region substantially completely run off and / or after extraction the (not or only partially to the one or more source ion types reacted) ions from the ionization in the reaction region C in this continue to run through the existing partial pressure of source gas.
- reactant gas does not interact with the precursor products the one or more source ion types reacts and / or with the Reactant gas-reactive precursor products are mixed with a suitable supplemental gas allowed to react in non-interfering ions.
- the areas A and B can at least partially overlap or It may cover the area B and C partially, as far as B not with A covered.
- the reaction region C is outside the ionization region A (i.e., outside the range in which this occurs during ionization plasma arising from the source gas is present).
- the reaction area C is thus spatially separated from the ionization area A and there will be a return of reactant gas from the reaction region C into the ionization region A im Substantially prevented.
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- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Plasma & Fusion (AREA)
- Electron Tubes For Measurement (AREA)
- Other Investigation Or Analysis Of Materials By Electrical Means (AREA)
- Crystals, And After-Treatments Of Crystals (AREA)
Abstract
Description
Stickstoff (N2) | H3 + + N2 → N2H+ + H2 |
entstehender selektiver Ausgangs-lonenstrom | N2H+ |
Wasser (H2O) | H3 + + H2O → H3O+ + H2 |
entstehender selektiver Ausgangs-Ionenstrom | H3O+ |
Stickstoffmonoxid (NO) | H3 + + NO → HNO+ + H2 HNO+ + NO → NO+ + HNO |
entstehender selektiver Ausgangs-lonenstrom | NO+ |
Ammoniak (NH3) | H3 + + NH3→ NH4 + + H2 |
- 1
- Zuführung
- 2
- lonisationseinrichtung
- 3
- Blendenöffnung
- 4
- Zwischenwand
- 5
- Elektrode
- 6
- Blendenöffnung
- 7
- Zwischenwand
- 8
- Zuführung
- 9
- Elektrode
- 10
- Ausgang
Claims (13)
- Verfahren zur Gewinnung eines im Wesentlichen nur aus einer einzigen lonensorte bestehenden Ausgangs-lonenstroms, wobei bei der lonisation eines Quellgases in einem lonisationsbereich (A) gebildete lonen und/oder aus dem lonisationsbereich (A) extrahierte lonen solange in einem Bereich (A, B, C), in welchem sich Quellgas befindet, reagieren gelassen werden, bis im Wesentlichen nur noch eine oder mehrere Quell-lonensorten vorliegen, die nicht mit dem Quellgas reagieren, dadurch gekennzeichnet, dass einem Reaktionsbereich (C), der sich außerhalb des lonisationsbereiches (A) befindet und in dem lonen der ein oder mehreren Quell-lonensorten vorhanden sind, ein vom Quellgas sich unterscheidendes Reaktantgas zugeführt wird, welches mit den lonen der ein oder mehreren Quell-lonen-sorten reagiert, wobei die lonen der ein oder mehreren Quell-lonensorten im Wesentlichen in die den Ausgangs-lonenstrom bildende einzige lonensorte umgewandelt werden.
- Verfahren nach Anspruch 1, dadurch gekennzeichnet, dass eine Rückströmung des Reaktantgases vom Reaktionsbereich (C) in den lonisationsbereich (A) im Wesentlichen unterbunden wird.
- Verfahren nach Anspruch 1 oder Anspruch 2, dadurch gekennzeichnet, dass die aus dem lonisationsbereich (A) extrahierten lonen in einen Zwischenbereich (B) geführt werden, in welchem sie solange belassen werden, bis sich durch lonen-Molekül-Reaktionen mit im Zwischenbereich vorhandenem Quellgas auch die zunächst noch von der ein oder mehreren Quell-lonensorten verschiedenen Ionen im Wesentlichen in lonen der ein oder mehreren Quell-lonensorten oder Clusterionen hiervon umgewandelt haben.
- Verfahren nach Anspruch 3, dadurch gekennzeichnet, dass vom Zwischenbereich (B) lonen der ein oder mehreren Quell-lonensorten oder Clusterionen hiervon in den Reaktionsbereich (C) extrahiert werden.
- Verfahren nach Anspruch 1 oder Anspruch 2, dadurch gekennzeichnet, dass die aus dem lonisationsbereich extrahierten lonen unmittelbar in den Reaktionsbereich (C) geführt werden.
- Verfahren nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, dass dem Reaktionsbereich (C) auch Quellgas zugeführt wird.
- Verfahren nach einem der Ansprüche 1 bis 6, dadurch gekennzeichnet, dass zumindest in einem dem Ausgang des Reaktionsbereiches (C) benachbarten Abschnitt ein elektrisches Feld (Ec) einer Stärke angelegt wird, durch welches die Bildung von Clusterionen aus der lonensorte des Ausgangsionenstroms verhindert wird bzw. rückgängig gemacht wird.
- Verfahren nach einem der Ansprüche 3 oder 4, dadurch gekennzeichnet, dass zumindest in einem dem Ausgang des Zwischenbereichs (B) benachbarten Abschnitt ein elektrisches Feld (EB) einer Stärke angelegt wird, durch welches die Bildung von Clusterionen aus den ein oder mehreren Quell-lonensorten verhindert wird bzw. rückgängig gemacht wird.
- Verfahren nach einem der Ansprüche 1 bis 8, dadurch gekennzeichnet, dass nur eine Quell-lonensorte gebildet wird.
- Verfahren nach einem der Ansprüche 1 bis 9, dadurch gekennzeichnet, dass sich in dem Bereich (A, B, C), in welchem die im lonisationsbereich (A) gebildeten lonen und/oder aus dem lonisationsbereich (A) extrahierten lonen zu den ein oder mehreren Quell-lonensorten reagieren gelassen werden, Quellgas mit einem Druck von mindestens 1 Pascal vorhanden ist.
- Verfahren nach einem der Ansprüche 1 bis 9, dadurch gekennzeichnet, dass zur Gewinnung von jeweils im Wesentlichen nur einer einzigen lonensorte bestehenden Ausgangs-lonenströmen, die sich in der lonensorte unterscheiden, dem Reaktionsbereich (C) in Abhängigkeit von der zu bildenden lonensorte des Ausgangs-lonenstroms verschiedene Reaktantgase zugeführt werden, wobei vor der Zuführung eines jeweiligen Reaktantgases der Reaktionsbereich (C) zur Entfernung von vorausgehend eingesetztem unterschiedlichen Reaktantgas abgepumpt wird.
- Verfahren nach einem der Ansprüche 7 bis 11, dadurch gekennzeichnet, dass das im Reaktionsbereich (C) angelegte elektrische Feld (Ec) elektrostatisch und homogen ist.
- Verfahren nach einem der Ansprüche 8 bis 12, dadurch gekennzeichnet, dass das im Zwischenbereich (B) angelegte elektrische Feld (EB) elektrostatisch und homogen ist.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT0201903A AT413463B (de) | 2003-12-16 | 2003-12-16 | Verfahren zur gewinnung eines ausgangs-ionenstroms |
AT20192003 | 2003-12-16 |
Publications (3)
Publication Number | Publication Date |
---|---|
EP1566829A2 true EP1566829A2 (de) | 2005-08-24 |
EP1566829A3 EP1566829A3 (de) | 2006-08-02 |
EP1566829B1 EP1566829B1 (de) | 2007-08-08 |
Family
ID=34705516
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP04028501A Expired - Lifetime EP1566829B1 (de) | 2003-12-16 | 2004-12-02 | Verfahren zur Gewinnung eines Ausgangs- Ionenstroms |
Country Status (4)
Country | Link |
---|---|
US (1) | US7009175B2 (de) |
EP (1) | EP1566829B1 (de) |
AT (2) | AT413463B (de) |
DE (1) | DE502004004565D1 (de) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2421024A1 (de) | 2010-08-18 | 2012-02-22 | Ionicon Analytik Gesellschaft m.b.h. | Ionisierungsverfahren für ein Universalgasanalysegerät |
WO2015024033A1 (de) | 2013-08-19 | 2015-02-26 | Universität Innsbruck | Einrichtung zur analyse eines probegases umfassend eine ionenquelle |
WO2016135179A1 (de) | 2015-02-25 | 2016-09-01 | Universität Innsbruck | Verfahren und vorrichtung zur chemischen ionisation eines gasgemisches |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP3503161B1 (de) | 2017-12-20 | 2021-03-24 | Ionicon Analytik Gesellschaft m.b.H. | Verfahren zur herstellung von gasförmigem ammonium für ionen-molekül-reaktion massenspektrometrie |
EP3629365A1 (de) * | 2018-09-28 | 2020-04-01 | Ionicon Analytik Gesellschaft m.b.H. | Imr-ms-reaktionskammer |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AT1637B (de) | 1897-11-16 | 1900-07-10 | Petolite Fuel Syndicate Ltd | |
DE2737852C2 (de) | 1977-08-23 | 1982-04-22 | Bruker - Franzen Analytik GmbH, 2800 Bremen | Ionenquellen zur chemischen Ionisierung |
AT403214B (de) * | 1991-10-21 | 1997-12-29 | Ionentechnik Ges M B H | Verfahren zur analyse von gasgemischen |
AT1637U1 (de) * | 1995-01-05 | 1997-08-25 | Lindinger Werner Dr | Verfahren zur gewinnung eines ionenstroms |
AT406206B (de) * | 1997-04-15 | 2000-03-27 | Lindinger Werner Dr | Gewinnung von nh4+-ionen |
US6753523B1 (en) * | 1998-01-23 | 2004-06-22 | Analytica Of Branford, Inc. | Mass spectrometry with multipole ion guides |
US7087898B2 (en) * | 2000-06-09 | 2006-08-08 | Willoughby Ross C | Laser desorption ion source |
-
2003
- 2003-12-16 AT AT0201903A patent/AT413463B/de not_active IP Right Cessation
-
2004
- 2004-12-01 US US11/000,412 patent/US7009175B2/en not_active Expired - Lifetime
- 2004-12-02 AT AT04028501T patent/ATE369621T1/de active
- 2004-12-02 EP EP04028501A patent/EP1566829B1/de not_active Expired - Lifetime
- 2004-12-02 DE DE502004004565T patent/DE502004004565D1/de not_active Expired - Lifetime
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2421024A1 (de) | 2010-08-18 | 2012-02-22 | Ionicon Analytik Gesellschaft m.b.h. | Ionisierungsverfahren für ein Universalgasanalysegerät |
WO2012022772A1 (en) | 2010-08-18 | 2012-02-23 | Ionicon Analytik Gesellschaft M.B.H. | Ionisation method for a universal gas analyzer |
WO2015024033A1 (de) | 2013-08-19 | 2015-02-26 | Universität Innsbruck | Einrichtung zur analyse eines probegases umfassend eine ionenquelle |
WO2016135179A1 (de) | 2015-02-25 | 2016-09-01 | Universität Innsbruck | Verfahren und vorrichtung zur chemischen ionisation eines gasgemisches |
Also Published As
Publication number | Publication date |
---|---|
US7009175B2 (en) | 2006-03-07 |
EP1566829B1 (de) | 2007-08-08 |
US20050178956A1 (en) | 2005-08-18 |
ATE369621T1 (de) | 2007-08-15 |
ATA20192003A (de) | 2005-07-15 |
EP1566829A3 (de) | 2006-08-02 |
AT413463B (de) | 2006-03-15 |
DE502004004565D1 (de) | 2007-09-20 |
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