FR2280131A1 - Dispositif pour melanger deux courants de liquide suivant une proportion reglable, de preference pour la chromatographie en phase liquide - Google Patents
Dispositif pour melanger deux courants de liquide suivant une proportion reglable, de preference pour la chromatographie en phase liquideInfo
- Publication number
- FR2280131A1 FR2280131A1 FR7522975A FR7522975A FR2280131A1 FR 2280131 A1 FR2280131 A1 FR 2280131A1 FR 7522975 A FR7522975 A FR 7522975A FR 7522975 A FR7522975 A FR 7522975A FR 2280131 A1 FR2280131 A1 FR 2280131A1
- Authority
- FR
- France
- Prior art keywords
- mixing
- liquids
- freq
- pulse width
- alternate pulses
- 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.)
- Withdrawn
Links
Classifications
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D11/00—Control of flow ratio
- G05D11/02—Controlling ratio of two or more flows of fluid or fluent material
- G05D11/13—Controlling ratio of two or more flows of fluid or fluent material characterised by the use of electric means
- G05D11/131—Controlling ratio of two or more flows of fluid or fluent material characterised by the use of electric means by measuring the values related to the quantity of the individual components
- G05D11/132—Controlling ratio of two or more flows of fluid or fluent material characterised by the use of electric means by measuring the values related to the quantity of the individual components by controlling the flow of the individual components
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N30/00—Investigating or analysing materials by separation into components using adsorption, absorption or similar phenomena or using ion-exchange, e.g. chromatography or field flow fractionation
- G01N30/02—Column chromatography
- G01N30/26—Conditioning of the fluid carrier; Flow patterns
- G01N30/28—Control of physical parameters of the fluid carrier
- G01N30/34—Control of physical parameters of the fluid carrier of fluid composition, e.g. gradient
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N30/00—Investigating or analysing materials by separation into components using adsorption, absorption or similar phenomena or using ion-exchange, e.g. chromatography or field flow fractionation
- G01N30/02—Column chromatography
- G01N30/04—Preparation or injection of sample to be analysed
- G01N30/16—Injection
- G01N30/20—Injection using a sampling valve
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- General Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Magnetically Actuated Valves (AREA)
- Control Of Non-Electrical Variables (AREA)
- Multiple-Way Valves (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19742436113 DE2436113B2 (de) | 1974-07-26 | 1974-07-26 | Einrichtung zur mischung zweier fluessigkeitsstroeme in einstellbarem verhaeltnis, vorzugsweise fuer die fluessigkeitschromatographie |
Publications (1)
Publication Number | Publication Date |
---|---|
FR2280131A1 true FR2280131A1 (fr) | 1976-02-20 |
Family
ID=5921663
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7522975A Withdrawn FR2280131A1 (fr) | 1974-07-26 | 1975-07-23 | Dispositif pour melanger deux courants de liquide suivant une proportion reglable, de preference pour la chromatographie en phase liquide |
Country Status (2)
Country | Link |
---|---|
DE (1) | DE2436113B2 (fr) |
FR (1) | FR2280131A1 (fr) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2386342A1 (fr) * | 1977-04-06 | 1978-11-03 | Politechnika Gdanska | Systeme servant a produire une composition programmee de liquide, egalement variable dans le temps, notamment pour la chromatographie liquide a haute pression |
EP0299396A2 (fr) * | 1987-07-13 | 1989-01-18 | ISCO, Inc. | Système chromatographique |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3146501A1 (de) * | 1981-11-24 | 1983-06-01 | Friedrich Grohe Armaturenfabrik Gmbh & Co, 5870 Hemer | Mischbatterie |
US6901956B2 (en) | 1999-06-18 | 2005-06-07 | Danfoss A/S | Flow cell having endless loop manifold |
DE19927850C1 (de) | 1999-06-18 | 2001-03-22 | Danfoss As | Durchflußzelle eines chemischen Analysesystems |
-
1974
- 1974-07-26 DE DE19742436113 patent/DE2436113B2/de not_active Withdrawn
-
1975
- 1975-07-23 FR FR7522975A patent/FR2280131A1/fr not_active Withdrawn
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2386342A1 (fr) * | 1977-04-06 | 1978-11-03 | Politechnika Gdanska | Systeme servant a produire une composition programmee de liquide, egalement variable dans le temps, notamment pour la chromatographie liquide a haute pression |
EP0299396A2 (fr) * | 1987-07-13 | 1989-01-18 | ISCO, Inc. | Système chromatographique |
EP0299396A3 (en) * | 1987-07-13 | 1990-09-05 | Isco, Inc. | Chromatographic system |
Also Published As
Publication number | Publication date |
---|---|
DE2436113B2 (de) | 1976-08-12 |
DE2436113A1 (de) | 1976-02-12 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
GB1088076A (en) | Apparatus providing a constant-rate two-component flow stream | |
JPS5372016A (en) | Apparatus for preparation and supply of heavy oil w/o emulsion fuel | |
CA2231881A1 (fr) | Robinet doseur et ses organes de commande | |
FR2280131A1 (fr) | Dispositif pour melanger deux courants de liquide suivant une proportion reglable, de preference pour la chromatographie en phase liquide | |
JPS5384449A (en) | Variable frequency synthesizer | |
ATE47972T1 (de) | Wandler und steuerungsmittel. | |
GB1372734A (en) | Device for measuring the rate of flow of a medium | |
GB1463932A (en) | Liquid fluidic device | |
JPS51124817A (en) | Variable flow spreader | |
FR2385438A1 (fr) | Procede et dispositif d'injection d'un composant dans un ecoulement | |
JPS52124859A (en) | Continuous vapor phase growth apparatus | |
JPS5725755A (en) | Waveform superposed fsk modulator | |
JPS55115111A (en) | Control unit for flow and opening | |
SU371585A1 (ru) | Пневматический генератор развертки | |
JPS5226619A (en) | Continuous and automatic mixing device of liquid | |
FR2302415A1 (fr) | Systeme de commande de combustible pour moteur a turbine a gaz | |
IT1099316B (it) | Procedimento di emulsionamento ed impianto per esso | |
GB1190885A (en) | An Apparatus for the Automatic Production of Mixtures, of Constant and Definite Concentration, of Gases, Vapours and Liquids | |
FR2312761A2 (fr) | Doseur volumetrique de proportion pour fluides et application d'un tel doseur | |
JPS5335888A (en) | Flow control valve control system | |
JPS521754A (en) | Apparatus of controlling the mixing ratio of liquids | |
GB1015151A (en) | Apparatus for mixing two liquids in a controlled manner | |
SU675404A1 (ru) | Пневматический регул тор соотношени газохроматических потоков | |
FR2438794A1 (fr) | Appareil de combustion de combustible liquide | |
SE8503422L (sv) | Spedanordning |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |