DE2212279A1 - Pulsgeneratorschaltung fuer einen Elektroneneinfang-Detektor - Google Patents
Pulsgeneratorschaltung fuer einen Elektroneneinfang-DetektorInfo
- Publication number
- DE2212279A1 DE2212279A1 DE19722212279 DE2212279A DE2212279A1 DE 2212279 A1 DE2212279 A1 DE 2212279A1 DE 19722212279 DE19722212279 DE 19722212279 DE 2212279 A DE2212279 A DE 2212279A DE 2212279 A1 DE2212279 A1 DE 2212279A1
- Authority
- DE
- Germany
- Prior art keywords
- output
- frequency
- pulse
- pulse generator
- coupled
- 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.)
- Ceased
Links
- 230000005264 electron capture Effects 0.000 title claims description 26
- 150000001875 compounds Chemical class 0.000 claims description 17
- 238000010893 electron trap Methods 0.000 claims description 7
- 238000013459 approach Methods 0.000 claims description 3
- 238000005259 measurement Methods 0.000 claims description 3
- 238000004140 cleaning Methods 0.000 claims 1
- 239000012159 carrier gas Substances 0.000 description 17
- 239000007789 gas Substances 0.000 description 17
- 230000005669 field effect Effects 0.000 description 15
- 238000000034 method Methods 0.000 description 11
- 230000035945 sensitivity Effects 0.000 description 7
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 6
- 238000004817 gas chromatography Methods 0.000 description 6
- 150000002500 ions Chemical class 0.000 description 6
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 6
- 238000010521 absorption reaction Methods 0.000 description 5
- 238000004458 analytical method Methods 0.000 description 4
- 230000008859 change Effects 0.000 description 4
- 230000000295 complement effect Effects 0.000 description 4
- 230000008878 coupling Effects 0.000 description 4
- 238000010168 coupling process Methods 0.000 description 4
- 238000005859 coupling reaction Methods 0.000 description 4
- 230000004044 response Effects 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 229910052786 argon Inorganic materials 0.000 description 3
- 230000007423 decrease Effects 0.000 description 3
- 238000009795 derivation Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000009532 heart rate measurement Methods 0.000 description 3
- 230000006798 recombination Effects 0.000 description 3
- 238000005215 recombination Methods 0.000 description 3
- 241001163674 Josia Species 0.000 description 2
- 229910018503 SF6 Inorganic materials 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000003574 free electron Substances 0.000 description 2
- 230000010355 oscillation Effects 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- SFZCNBIFKDRMGX-UHFFFAOYSA-N sulfur hexafluoride Chemical compound FS(F)(F)(F)(F)F SFZCNBIFKDRMGX-UHFFFAOYSA-N 0.000 description 2
- 229960000909 sulfur hexafluoride Drugs 0.000 description 2
- 238000012935 Averaging Methods 0.000 description 1
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 150000001793 charged compounds Chemical class 0.000 description 1
- 229940125782 compound 2 Drugs 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000000752 ionisation method Methods 0.000 description 1
- 230000005865 ionizing radiation Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000004451 qualitative analysis Methods 0.000 description 1
- 238000004445 quantitative analysis Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000005258 radioactive decay Effects 0.000 description 1
- 230000002285 radioactive effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
- G01N27/62—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating the ionisation of gases, e.g. aerosols; by investigating electric discharges, e.g. emission of cathode
- G01N27/64—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating the ionisation of gases, e.g. aerosols; by investigating electric discharges, e.g. emission of cathode using wave or particle radiation to ionise a gas, e.g. in an ionisation chamber
- G01N27/66—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating the ionisation of gases, e.g. aerosols; by investigating electric discharges, e.g. emission of cathode using wave or particle radiation to ionise a gas, e.g. in an ionisation chamber and measuring current or voltage
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Physics & Mathematics (AREA)
- Toxicology (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Other Investigation Or Analysis Of Materials By Electrical Means (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US12429171A | 1971-03-15 | 1971-03-15 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE2212279A1 true DE2212279A1 (de) | 1972-10-05 |
Family
ID=22413974
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19722212279 Ceased DE2212279A1 (de) | 1971-03-15 | 1972-03-14 | Pulsgeneratorschaltung fuer einen Elektroneneinfang-Detektor |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US3671740A (enExample) |
| DE (1) | DE2212279A1 (enExample) |
| FR (1) | FR2141032A5 (enExample) |
| GB (1) | GB1329407A (enExample) |
| NL (1) | NL7203454A (enExample) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1392597A (en) * | 1971-05-08 | 1975-04-30 | Lovelock J E | Electron capture detectors |
| US3848131A (en) * | 1972-08-16 | 1974-11-12 | E Tesnavs | Radioactive radiation detection system |
| US3897344A (en) * | 1974-07-31 | 1975-07-29 | Mdh Ind Inc | Frequency-programmed electron-capture detector |
| US4117332A (en) * | 1976-02-26 | 1978-09-26 | Varian Associates, Inc. | Circuit for linearizing the response of an electron capture detector |
| FR2576104B1 (fr) * | 1985-01-14 | 1987-05-22 | Giravions Dorand | Procede et dispositif pour la stabilisation des resultats de mesure fournis par un detecteur dit " a capture d'electrons " avec identification des anomalies affectant ce detecteur |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3018376A (en) * | 1957-11-29 | 1962-01-23 | Nat Res Corp | Gas density measurement |
| US3009098A (en) * | 1958-08-15 | 1961-11-14 | Nat Res Corp | Electrical apparatus for analyzing gases |
| GB1105413A (en) * | 1964-10-16 | 1968-03-06 | Barringer Research Ltd | Method and apparatus for detecting traces of substances |
-
1971
- 1971-03-15 US US124291A patent/US3671740A/en not_active Expired - Lifetime
-
1972
- 1972-03-14 DE DE19722212279 patent/DE2212279A1/de not_active Ceased
- 1972-03-14 GB GB1188672A patent/GB1329407A/en not_active Expired
- 1972-03-14 FR FR7208878A patent/FR2141032A5/fr not_active Expired
- 1972-03-15 NL NL7203454A patent/NL7203454A/xx not_active Application Discontinuation
Also Published As
| Publication number | Publication date |
|---|---|
| NL7203454A (enExample) | 1972-09-19 |
| FR2141032A5 (enExample) | 1973-01-19 |
| US3671740A (en) | 1972-06-20 |
| GB1329407A (en) | 1973-09-05 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| OD | Request for examination | ||
| 8131 | Rejection |