GB0820564D0 - Closed loop flow control of a hplcconstant flow pump to enable low-flow operation - Google Patents
Closed loop flow control of a hplcconstant flow pump to enable low-flow operationInfo
- Publication number
- GB0820564D0 GB0820564D0 GBGB0820564.3A GB0820564A GB0820564D0 GB 0820564 D0 GB0820564 D0 GB 0820564D0 GB 0820564 A GB0820564 A GB 0820564A GB 0820564 D0 GB0820564 D0 GB 0820564D0
- Authority
- GB
- United Kingdom
- Prior art keywords
- flow
- hplcconstant
- closed loop
- enable low
- pump
- 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
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F1/00—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
- G01F1/68—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using thermal effects
-
- 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
- G01N30/32—Control of physical parameters of the fluid carrier of pressure or speed
-
- 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
- G01N30/32—Control of physical parameters of the fluid carrier of pressure or speed
- G01N2030/326—Control of physical parameters of the fluid carrier of pressure or speed pumps
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB0820564A GB2454783B (en) | 2004-05-21 | 2005-05-20 | HPLC constant flow pump to enable low-flow operation, wherein thermal-based sensors are contained within an isothermal block |
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US57352804P | 2004-05-21 | 2004-05-21 | |
GB0624464A GB2429785B (en) | 2004-05-21 | 2005-05-20 | Closed loop flow control of a hplc constant flow pump to enable low-flow operation |
GB0820564A GB2454783B (en) | 2004-05-21 | 2005-05-20 | HPLC constant flow pump to enable low-flow operation, wherein thermal-based sensors are contained within an isothermal block |
Publications (3)
Publication Number | Publication Date |
---|---|
GB0820564D0 true GB0820564D0 (en) | 2008-12-17 |
GB2454783A GB2454783A (en) | 2009-05-20 |
GB2454783B GB2454783B (en) | 2009-10-28 |
Family
ID=40139686
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB0820564A Active GB2454783B (en) | 2004-05-21 | 2005-05-20 | HPLC constant flow pump to enable low-flow operation, wherein thermal-based sensors are contained within an isothermal block |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB2454783B (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9779924B2 (en) * | 2013-09-20 | 2017-10-03 | Micromass Uk Limited | Mass spectrometer |
US10926191B2 (en) | 2014-12-12 | 2021-02-23 | Cytiva Sweden Ab | System for preparing solutions for chromatography |
EP3086197A1 (en) * | 2015-04-21 | 2016-10-26 | Airbus Defence and Space, S.A. | Machine for mixing and successively applying sealant material |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7465382B2 (en) * | 2001-06-13 | 2008-12-16 | Eksigent Technologies Llc | Precision flow control system |
US6962658B2 (en) * | 2003-05-20 | 2005-11-08 | Eksigent Technologies, Llc | Variable flow rate injector |
-
2005
- 2005-05-20 GB GB0820564A patent/GB2454783B/en active Active
Also Published As
Publication number | Publication date |
---|---|
GB2454783B (en) | 2009-10-28 |
GB2454783A (en) | 2009-05-20 |
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