JPH0254157U - - Google Patents
Info
- Publication number
- JPH0254157U JPH0254157U JP13364488U JP13364488U JPH0254157U JP H0254157 U JPH0254157 U JP H0254157U JP 13364488 U JP13364488 U JP 13364488U JP 13364488 U JP13364488 U JP 13364488U JP H0254157 U JPH0254157 U JP H0254157U
- Authority
- JP
- Japan
- Prior art keywords
- electrode
- quadrupole
- ion
- electric field
- field lens
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 150000002500 ions Chemical class 0.000 claims description 9
- 230000005684 electric field Effects 0.000 claims description 3
- 238000000605 extraction Methods 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 4
Landscapes
- Electron Tubes For Measurement (AREA)
Description
第1図は本考案の四重極質量分析装置の一実施
例を示す要部断面構成図、第2図はN2イオンを
用いた場合の電流と分解能の関係を示す図、第3
図は従来例を示す要部断面構成図である。
1……イオン源、2……陽極電極、3……イオ
ン引出し電極、4……電界レンズ、6……直流電
源、7a〜7d……四重極電極(分析ロツド)、
9……負電圧電源。
Fig. 1 is a cross-sectional diagram of the main parts of an embodiment of the quadrupole mass spectrometer of the present invention, Fig. 2 is a diagram showing the relationship between current and resolution when N2 ions are used, and Fig. 3 is a diagram showing the relationship between current and resolution when N2 ions are used.
The figure is a sectional configuration diagram of main parts showing a conventional example. 1... Ion source, 2... Anode electrode, 3... Ion extraction electrode, 4... Electric field lens, 6... DC power supply, 7a to 7d... Quadrupole electrode (analysis rod),
9... Negative voltage power supply.
Claims (1)
引出し電極および電界レンズを介して四重極電極
に導き、この四重極電極で選択されたイオンをイ
オンコレクタによつて検出するようにした四重極
質量分析装置において、前記陽極電極に正電圧を
、前記引出し電極に負電圧を、前記電界レンズに
正電圧を印加したことを特徴とする四重極質量分
析装置。 A quadrupole in which ions generated in an ion source are guided to a quadrupole electrode via an anode electrode, an ion extraction electrode, and an electric field lens, and ions selected by the quadrupole electrode are detected by an ion collector. A quadrupole mass spectrometer, characterized in that a positive voltage is applied to the anode electrode, a negative voltage is applied to the extraction electrode, and a positive voltage is applied to the electric field lens.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13364488U JPH0254157U (en) | 1988-10-13 | 1988-10-13 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13364488U JPH0254157U (en) | 1988-10-13 | 1988-10-13 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0254157U true JPH0254157U (en) | 1990-04-19 |
Family
ID=31391696
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13364488U Pending JPH0254157U (en) | 1988-10-13 | 1988-10-13 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0254157U (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5960856A (en) * | 1982-09-29 | 1984-04-06 | Shimadzu Corp | quadrupole mass spectrometer |
| JPS59230246A (en) * | 1983-06-14 | 1984-12-24 | Shimadzu Corp | Quadrupole mass spectrometer |
-
1988
- 1988-10-13 JP JP13364488U patent/JPH0254157U/ja active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5960856A (en) * | 1982-09-29 | 1984-04-06 | Shimadzu Corp | quadrupole mass spectrometer |
| JPS59230246A (en) * | 1983-06-14 | 1984-12-24 | Shimadzu Corp | Quadrupole mass spectrometer |