FR2975184B1 - Detecteur d'especes chimiques a corde vibrante - Google Patents
Detecteur d'especes chimiques a corde vibranteInfo
- Publication number
- FR2975184B1 FR2975184B1 FR1154196A FR1154196A FR2975184B1 FR 2975184 B1 FR2975184 B1 FR 2975184B1 FR 1154196 A FR1154196 A FR 1154196A FR 1154196 A FR1154196 A FR 1154196A FR 2975184 B1 FR2975184 B1 FR 2975184B1
- Authority
- FR
- France
- Prior art keywords
- cord
- detector
- transducer
- chemical species
- measuring unit
- 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.)
- Active
Links
- 239000013626 chemical specie Substances 0.000 title 1
- 238000001514 detection method Methods 0.000 abstract 2
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
- G01N29/02—Analysing fluids
- G01N29/032—Analysing fluids by measuring attenuation of acoustic waves
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L1/00—Measuring force or stress, in general
- G01L1/10—Measuring force or stress, in general by measuring variations of frequency of stressed vibrating elements, e.g. of stressed strings
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
- G01N29/02—Analysing fluids
- G01N29/036—Analysing fluids by measuring frequency or resonance of acoustic waves
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/0004—Gaseous mixtures, e.g. polluted air
- G01N33/0009—General constructional details of gas analysers, e.g. portable test equipment
- G01N33/0027—General constructional details of gas analysers, e.g. portable test equipment concerning the detector
- G01N33/0036—General constructional details of gas analysers, e.g. portable test equipment concerning the detector specially adapted to detect a particular component
- G01N33/005—H2
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N5/00—Analysing materials by weighing, e.g. weighing small particles separated from a gas or liquid
- G01N5/02—Analysing materials by weighing, e.g. weighing small particles separated from a gas or liquid by absorbing or adsorbing components of a material and determining change of weight of the adsorbent, e.g. determining moisture content
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2291/00—Indexing codes associated with group G01N29/00
- G01N2291/02—Indexing codes associated with the analysed material
- G01N2291/025—Change of phase or condition
- G01N2291/0255—(Bio)chemical reactions, e.g. on biosensors
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2291/00—Indexing codes associated with group G01N29/00
- G01N2291/02—Indexing codes associated with the analysed material
- G01N2291/025—Change of phase or condition
- G01N2291/0256—Adsorption, desorption, surface mass change, e.g. on biosensors
Landscapes
- Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- General Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Combustion & Propulsion (AREA)
- Medicinal Chemistry (AREA)
- Food Science & Technology (AREA)
- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR1154196A FR2975184B1 (fr) | 2011-05-13 | 2011-05-13 | Detecteur d'especes chimiques a corde vibrante |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR1154196A FR2975184B1 (fr) | 2011-05-13 | 2011-05-13 | Detecteur d'especes chimiques a corde vibrante |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2975184A1 FR2975184A1 (fr) | 2012-11-16 |
FR2975184B1 true FR2975184B1 (fr) | 2013-07-05 |
Family
ID=44543369
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR1154196A Active FR2975184B1 (fr) | 2011-05-13 | 2011-05-13 | Detecteur d'especes chimiques a corde vibrante |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR2975184B1 (fr) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR3084741B1 (fr) * | 2018-08-02 | 2021-05-21 | Inst De Radioprotection Et De Surete Nucleaire | Procede de determination de la deformation d'une structure de beton au cours du temps |
FR3103899B1 (fr) | 2019-11-28 | 2021-12-03 | Agence Nat Pour La Gestion Des Dechets Radioactifs | Système de détection chimique, unité de commande et d’analyse pour un tel système et procédé de détection chimique |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
BE759990A (fr) * | 1969-12-17 | 1971-05-17 | Sauter Kg August | Corde de mesure vibrant a plat, notamment pour balances a cordevibrant |
US4329775A (en) * | 1977-09-19 | 1982-05-18 | The Foxboro Co. | Pressure measuring apparatus using vibratable wire |
US4697657A (en) * | 1985-10-21 | 1987-10-06 | Alcor Inc | Piezoelectric weighing device |
-
2011
- 2011-05-13 FR FR1154196A patent/FR2975184B1/fr active Active
Also Published As
Publication number | Publication date |
---|---|
FR2975184A1 (fr) | 2012-11-16 |
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