IL24281A - Method and device for measuring the pores of a membrane - Google Patents
Method and device for measuring the pores of a membraneInfo
- Publication number
- IL24281A IL24281A IL24281A IL2428165A IL24281A IL 24281 A IL24281 A IL 24281A IL 24281 A IL24281 A IL 24281A IL 2428165 A IL2428165 A IL 2428165A IL 24281 A IL24281 A IL 24281A
- Authority
- IL
- Israel
- Prior art keywords
- measuring
- measurement
- barrier
- relay
- value
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims description 16
- 239000011148 porous material Substances 0.000 title claims description 14
- 239000012528 membrane Substances 0.000 title description 7
- 238000005259 measurement Methods 0.000 claims description 38
- 230000004888 barrier function Effects 0.000 claims description 31
- 239000007788 liquid Substances 0.000 claims description 12
- 239000012530 fluid Substances 0.000 claims description 4
- 230000001960 triggered effect Effects 0.000 claims 1
- 230000035699 permeability Effects 0.000 description 16
- 235000012431 wafers Nutrition 0.000 description 10
- 238000011144 upstream manufacturing Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 5
- 208000028659 discharge Diseases 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 238000004891 communication Methods 0.000 description 2
- 241000272470 Circus Species 0.000 description 1
- 229910052770 Uranium Inorganic materials 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 239000012982 microporous membrane Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000000284 resting effect Effects 0.000 description 1
- JFALSRSLKYAFGM-UHFFFAOYSA-N uranium(0) Chemical compound [U] JFALSRSLKYAFGM-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N7/00—Analysing materials by measuring the pressure or volume of a gas or vapour
-
- 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
- G01N15/08—Investigating permeability, pore-volume, or surface area of porous materials
- G01N15/088—Investigating volume, surface area, size or distribution of pores; Porosimetry
Landscapes
- Chemical & Material Sciences (AREA)
- Biochemistry (AREA)
- General Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Analytical Chemistry (AREA)
- Pathology (AREA)
- General Health & Medical Sciences (AREA)
- Physics & Mathematics (AREA)
- Immunology (AREA)
- Dispersion Chemistry (AREA)
- Measuring Fluid Pressure (AREA)
- Length Measuring Devices With Unspecified Measuring Means (AREA)
- Length Measuring Devices By Optical Means (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR989517A FR1423735A (fr) | 1964-09-28 | 1964-09-28 | Perméamètre en volume fermé |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| IL24281A true IL24281A (en) | 1969-05-28 |
Family
ID=8839199
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IL24281A IL24281A (en) | 1964-09-28 | 1965-09-07 | Method and device for measuring the pores of a membrane |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US3401554A (fr) |
| BE (1) | BE669368A (fr) |
| DE (1) | DE1473715A1 (fr) |
| ES (1) | ES317875A1 (fr) |
| FR (1) | FR1423735A (fr) |
| GB (1) | GB1086297A (fr) |
| IL (1) | IL24281A (fr) |
| LU (1) | LU49466A1 (fr) |
| NL (1) | NL6511559A (fr) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2161942A (en) * | 1984-05-17 | 1986-01-22 | Robertson Research Internation | Apparatus for permeability measurements |
| FR2728344B1 (fr) * | 1994-12-19 | 1997-01-24 | Inst Francais Du Petrole | Methode et dispositif pour separer et mesurer le volume des differentes phases d'un melange de fluides |
| DK174312B1 (da) * | 1996-06-06 | 2002-12-02 | Ole Pedersen | Fremgangsmåde til måling af strømningshastighed og diffusivitet, mikrosensor til brug ved fremgangsmåden samt anvendelse af sådan mikrosensor |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL294977A (fr) * | 1962-07-20 | |||
| US3256732A (en) * | 1962-11-13 | 1966-06-21 | Commissariat Energie Atomique | Methods and devices for determining the mean radius of pores in microporous barriers |
-
1964
- 1964-09-28 FR FR989517A patent/FR1423735A/fr not_active Expired
-
1965
- 1965-09-03 NL NL6511559A patent/NL6511559A/xx unknown
- 1965-09-06 DE DE19651473715 patent/DE1473715A1/de active Pending
- 1965-09-07 IL IL24281A patent/IL24281A/en unknown
- 1965-09-08 BE BE669368D patent/BE669368A/xx unknown
- 1965-09-10 LU LU49466A patent/LU49466A1/xx unknown
- 1965-09-15 GB GB39403/65A patent/GB1086297A/en not_active Expired
- 1965-09-16 US US487800A patent/US3401554A/en not_active Expired - Lifetime
- 1965-09-28 ES ES317875A patent/ES317875A1/es not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| ES317875A1 (es) | 1969-08-16 |
| NL6511559A (fr) | 1966-03-29 |
| DE1473715A1 (de) | 1969-04-10 |
| BE669368A (fr) | 1965-12-31 |
| US3401554A (en) | 1968-09-17 |
| LU49466A1 (fr) | 1965-11-10 |
| GB1086297A (en) | 1967-10-04 |
| FR1423735A (fr) | 1966-01-07 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US3186214A (en) | Leak test station | |
| US3762212A (en) | Leak testing apparatus and methods | |
| US2936611A (en) | Leak testing system | |
| GB1400694A (en) | Air leak detector | |
| DE112011100765T5 (de) | Kalibriervorrichtung für Online-Schwefelhexafluorid-Feuchtigkeitsmessgeräte und ihr Kalibrierverfahren | |
| WO1987004246A1 (fr) | Systeme et methode de mesure du volume des pores et de la permeabilite de bouchons de noyaux tres serres | |
| US4194391A (en) | Device for determining settling rates of solids or particulate bearing liquid in a continuous process or flowing stream | |
| US5170656A (en) | Pipeline flowmeter prover control system and method | |
| US3331237A (en) | Pneumatic leak test panel | |
| US3221539A (en) | Method and apparatus for leak testing castings | |
| IL24281A (en) | Method and device for measuring the pores of a membrane | |
| GB998908A (en) | Improvements in and relating to the testing of closed, gas-filled containers | |
| GB1315509A (en) | Method and apparatus for monitoring carbon dioxide | |
| GB1488954A (en) | Leakage test method | |
| US3511082A (en) | Leak detecting apparatus for valves | |
| US3459332A (en) | Pneumatically controlled dispensing apparatus | |
| GB1338318A (en) | Leak detector unit | |
| US3271993A (en) | Accurate flow control | |
| US3314283A (en) | Leak testing method and apparatus | |
| US3446055A (en) | Meter calibration | |
| US3234784A (en) | Automatic liquid meter | |
| US3074265A (en) | Pressure differential tester | |
| US3689164A (en) | Apparatus including a multiple conduit path system for handling liquids to be tested | |
| US2936610A (en) | Differential pressure testing means | |
| USRE26657E (en) | Leak testing method and apparatus |