DE3727903A1 - Verfahren und einrichtung zum ueberwachen der konzentration von aerosolen in einem gasfoermigen medium - Google Patents
Verfahren und einrichtung zum ueberwachen der konzentration von aerosolen in einem gasfoermigen mediumInfo
- Publication number
- DE3727903A1 DE3727903A1 DE19873727903 DE3727903A DE3727903A1 DE 3727903 A1 DE3727903 A1 DE 3727903A1 DE 19873727903 DE19873727903 DE 19873727903 DE 3727903 A DE3727903 A DE 3727903A DE 3727903 A1 DE3727903 A1 DE 3727903A1
- Authority
- DE
- Germany
- Prior art keywords
- aerosols
- chamber
- gaseous medium
- filter
- isotopes
- 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.)
- Granted
Links
- 239000000443 aerosol Substances 0.000 title claims abstract description 52
- 238000000034 method Methods 0.000 title claims description 15
- 238000012544 monitoring process Methods 0.000 title claims description 7
- 230000005855 radiation Effects 0.000 claims abstract description 14
- 230000002285 radioactive effect Effects 0.000 claims abstract description 12
- 238000005259 measurement Methods 0.000 claims abstract description 7
- 229910052767 actinium Inorganic materials 0.000 claims abstract description 5
- QQINRWTZWGJFDB-UHFFFAOYSA-N actinium atom Chemical compound [Ac] QQINRWTZWGJFDB-UHFFFAOYSA-N 0.000 claims abstract description 5
- 229910052704 radon Inorganic materials 0.000 claims abstract description 5
- SYUHGPGVQRZVTB-UHFFFAOYSA-N radon atom Chemical compound [Rn] SYUHGPGVQRZVTB-UHFFFAOYSA-N 0.000 claims abstract description 5
- 238000004519 manufacturing process Methods 0.000 claims abstract description 4
- QQINRWTZWGJFDB-IGMARMGPSA-N actinium-227 Chemical compound [227Ac] QQINRWTZWGJFDB-IGMARMGPSA-N 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 5
- 238000002372 labelling Methods 0.000 abstract description 2
- 230000000717 retained effect Effects 0.000 abstract 1
- 239000007789 gas Substances 0.000 description 5
- 230000001419 dependent effect Effects 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 230000000737 periodic effect Effects 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 230000002123 temporal effect Effects 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 238000009827 uniform distribution Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
- G01N15/06—Investigating concentration of particle suspensions
- G01N15/0606—Investigating concentration of particle suspensions by collecting particles on a support
- G01N15/0618—Investigating concentration of particle suspensions by collecting particles on a support of the filter type
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N23/00—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2223/00—Investigating materials by wave or particle radiation
- G01N2223/01—Investigating materials by wave or particle radiation by radioactivity, nuclear decay
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2223/00—Investigating materials by wave or particle radiation
- G01N2223/20—Sources of radiation
- G01N2223/202—Sources of radiation isotopes
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2223/00—Investigating materials by wave or particle radiation
- G01N2223/60—Specific applications or type of materials
- G01N2223/626—Specific applications or type of materials radioactive material
- G01N2223/6265—Specific applications or type of materials radioactive material sample with radioactive tracer, tag, label
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2223/00—Investigating materials by wave or particle radiation
- G01N2223/60—Specific applications or type of materials
- G01N2223/636—Specific applications or type of materials fluid sample with radioactive sources
Landscapes
- Chemical & Material Sciences (AREA)
- Biochemistry (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Analytical Chemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Dispersion Chemistry (AREA)
- Measurement Of Radiation (AREA)
- Sampling And Sample Adjustment (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH3763/86A CH671465A5 (enrdf_load_stackoverflow) | 1986-09-19 | 1986-09-19 |
Publications (2)
Publication Number | Publication Date |
---|---|
DE3727903A1 true DE3727903A1 (de) | 1988-04-07 |
DE3727903C2 DE3727903C2 (enrdf_load_stackoverflow) | 1991-11-28 |
Family
ID=4262974
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE19873727903 Granted DE3727903A1 (de) | 1986-09-19 | 1987-08-21 | Verfahren und einrichtung zum ueberwachen der konzentration von aerosolen in einem gasfoermigen medium |
Country Status (2)
Country | Link |
---|---|
CH (1) | CH671465A5 (enrdf_load_stackoverflow) |
DE (1) | DE3727903A1 (enrdf_load_stackoverflow) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107054014A (zh) * | 2017-02-28 | 2017-08-18 | 上海蔚来汽车有限公司 | 汽车空调滤网使用寿命的检测方法和装置 |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19517543C1 (de) * | 1995-05-12 | 1996-10-24 | Ritzau Pari Werk Gmbh Paul | Aerosol-Meßvorrichtung für Inhalationsgeräte |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1498951A1 (de) * | 1962-10-05 | 1970-04-16 | Prochazka Dr Ing Rudolf | Vorrichtung zur kontinuierlichen Messung und UEberwachung der Strahlungskonzentration radioaktiver Schwebstoffe in Luft,Gasen oder Daempfen |
DE2947302A1 (de) * | 1979-11-23 | 1981-05-27 | Münchener Apparatebau für elektronische Geräte Kimmel GmbH & Co KG, 8011 Hohenbrunn | Verfahren zum nachweis von in einem vorgegebenen energiebereich liegenden (alpha)-strahlen |
EP0072279A1 (fr) * | 1981-07-24 | 1983-02-16 | Commissariat à l'Energie Atomique | Dispositif déprimogène et appareil de détection d'aérosols utilisant un tel dispositif |
DE3129822A1 (de) * | 1981-07-29 | 1983-02-17 | Dornier System Gmbh, 7990 Friedrichshafen | Vorrichtung zur ueberwachung der konzentration radioaktiver nuklide, insbesondere von (alpha)-strahlern, in einem gas oder einer fluessigkeit |
DE3228608A1 (de) * | 1981-08-03 | 1983-03-03 | Comitato Nazionale per la Richercha e per lo Sviluppo dell'Energia Nucleare e delle Energie Alternative - E N E A, 00198 Roma | Vorrichtung, insbesondere zur bestimmung einzelner konzentrationen von radon- und thoron-tochtersubstanzen in luft |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4091283A (en) * | 1975-07-02 | 1978-05-23 | Westinghouse Electric Corp. | Extremely sensitive metallic vapor detection |
FR2499250A1 (fr) * | 1981-01-30 | 1982-08-06 | Muenchener Apparatebau Elektro | Moniteur de contamination par aerosol |
-
1986
- 1986-09-19 CH CH3763/86A patent/CH671465A5/de not_active IP Right Cessation
-
1987
- 1987-08-21 DE DE19873727903 patent/DE3727903A1/de active Granted
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1498951A1 (de) * | 1962-10-05 | 1970-04-16 | Prochazka Dr Ing Rudolf | Vorrichtung zur kontinuierlichen Messung und UEberwachung der Strahlungskonzentration radioaktiver Schwebstoffe in Luft,Gasen oder Daempfen |
DE2947302A1 (de) * | 1979-11-23 | 1981-05-27 | Münchener Apparatebau für elektronische Geräte Kimmel GmbH & Co KG, 8011 Hohenbrunn | Verfahren zum nachweis von in einem vorgegebenen energiebereich liegenden (alpha)-strahlen |
EP0072279A1 (fr) * | 1981-07-24 | 1983-02-16 | Commissariat à l'Energie Atomique | Dispositif déprimogène et appareil de détection d'aérosols utilisant un tel dispositif |
DE3129822A1 (de) * | 1981-07-29 | 1983-02-17 | Dornier System Gmbh, 7990 Friedrichshafen | Vorrichtung zur ueberwachung der konzentration radioaktiver nuklide, insbesondere von (alpha)-strahlern, in einem gas oder einer fluessigkeit |
DE3228608A1 (de) * | 1981-08-03 | 1983-03-03 | Comitato Nazionale per la Richercha e per lo Sviluppo dell'Energia Nucleare e delle Energie Alternative - E N E A, 00198 Roma | Vorrichtung, insbesondere zur bestimmung einzelner konzentrationen von radon- und thoron-tochtersubstanzen in luft |
Non-Patent Citations (1)
Title |
---|
Z.: Physik 229, 109-122 (1969) * |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107054014A (zh) * | 2017-02-28 | 2017-08-18 | 上海蔚来汽车有限公司 | 汽车空调滤网使用寿命的检测方法和装置 |
CN107054014B (zh) * | 2017-02-28 | 2019-12-06 | 上海蔚来汽车有限公司 | 汽车空调滤网使用寿命的检测方法和装置 |
Also Published As
Publication number | Publication date |
---|---|
DE3727903C2 (enrdf_load_stackoverflow) | 1991-11-28 |
CH671465A5 (enrdf_load_stackoverflow) | 1989-08-31 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
OP8 | Request for examination as to paragraph 44 patent law | ||
8128 | New person/name/address of the agent |
Representative=s name: GLEISS, A., DIPL.-ING. GROSSE, R., DIPL.-ING., PAT |
|
D2 | Grant after examination | ||
8364 | No opposition during term of opposition | ||
8327 | Change in the person/name/address of the patent owner |
Owner name: PAUL SCHERRER INSTITUT, VILLIGEN, CH |
|
8328 | Change in the person/name/address of the agent |
Free format text: GLEISS, A., DIPL.-ING. GROSSE, R., DIPL.-ING., 70469 STUTTGART SCHNEIDER, H., DIPL.-ING., PAT.-ANWAELTE, 10249 BERLIN |
|
8339 | Ceased/non-payment of the annual fee |