IL42955A - Method and apparatus for detection and identification of vapours of low volatility compounds - Google Patents
Method and apparatus for detection and identification of vapours of low volatility compoundsInfo
- Publication number
- IL42955A IL42955A IL42955A IL4295573A IL42955A IL 42955 A IL42955 A IL 42955A IL 42955 A IL42955 A IL 42955A IL 4295573 A IL4295573 A IL 4295573A IL 42955 A IL42955 A IL 42955A
- Authority
- IL
- Israel
- Prior art keywords
- components
- path
- atmosphere
- flow
- detector
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
- G01N27/62—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating the ionisation of gases, e.g. aerosols; by investigating electric discharges, e.g. emission of cathode
- G01N27/64—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating the ionisation of gases, e.g. aerosols; by investigating electric discharges, e.g. emission of cathode using wave or particle radiation to ionise a gas, e.g. in an ionisation chamber
- G01N27/66—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating the ionisation of gases, e.g. aerosols; by investigating electric discharges, e.g. emission of cathode using wave or particle radiation to ionise a gas, e.g. in an ionisation chamber and measuring current or voltage
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T436/00—Chemistry: analytical and immunological testing
- Y10T436/25—Chemistry: analytical and immunological testing including sample preparation
- Y10T436/25375—Liberation or purification of sample or separation of material from a sample [e.g., filtering, centrifuging, etc.]
- Y10T436/255—Liberation or purification of sample or separation of material from a sample [e.g., filtering, centrifuging, etc.] including use of a solid sorbent, semipermeable membrane, or liquid extraction
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Electrochemistry (AREA)
- Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Analytical Chemistry (AREA)
- Toxicology (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Sampling And Sample Adjustment (AREA)
- Other Investigation Or Analysis Of Materials By Electrical Means (AREA)
- Treatment Of Liquids With Adsorbents In General (AREA)
Claims (1)
1. What we claim low volatility A method of detecting and in an atmosphere comprising the steps of establishing a flow of the atmosphere across and through capable of isolating the components of interest from the remainder of the establishing the presence of components the isolated separating the isolated flow into its vidual components and identifying said individual according to claim 1 which comprises the steps of directing the isolatedJ along a first path from the isolating means to a detector for establishing the presence of the compone ts of interest and thereafter the isolated flow along a second path to the detector and separating the flow into its indiidual components in the second path prior to their introduction into the A method according to claim 1 which comprises the steps of directing the isolated flow along a path from the ing means to the detector to establish the presence of the components of interest and thereafter separating the isolated flow passing along said same path into its separate components and releasing the sepa ated components indiidually for identification in the An apparatus for detecting and identifying components in an atmosphere comprising means for isolating the components of from the a easier gas flow for conveying the Isolated components into a detector to establish the presence of the components in the atmosphere and means in the carrier gas flow path for separating the components one from another for individual identification in the apparatus according to claim in which the isolat ing means comprises a silastomer An apparatus according to claim 4 in which the ating means comprises a chromatographic column and means for selectively raising and lowering the temperature of the apparatus according to claim 4 including first and second gas flow paths between the isolating means and the detector and selectively operable valve means for directing the flow along the first path to establish the presence of the components and thereafter for directing the flow along the second path having a chromatographic column for ating the components one and means for raising and lowering the temperature of the An apparatus according to claim includin a pump for drawing a sample of the atmosphere into the vicinity of the isolating means and for drawing a carrier gas flow through the An apparatus according to claim in which tha detector comprises an electron capture A method of detecting and identifying components in an atmosphere substantially as herein described with reference to the accompanying An apparatus for detecting and identifying components in an atmosphere substantially as herein described with erence to and as illustrated and or of the accompanying For the Applicants Yitzhak Hess insufficientOCRQuality
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB528573A GB1451632A (en) | 1973-02-02 | 1973-02-02 | Method for the qualitative and quantitative detection of vapours from low volatility compounds |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| IL42955A0 IL42955A0 (en) | 1973-11-28 |
| IL42955A true IL42955A (en) | 1976-06-30 |
Family
ID=9793240
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IL42955A IL42955A (en) | 1973-02-02 | 1973-08-13 | Method and apparatus for detection and identification of vapours of low volatility compounds |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US3883739A (en) |
| GB (1) | GB1451632A (en) |
| IL (1) | IL42955A (en) |
Families Citing this family (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1482611A (en) * | 1974-04-08 | 1977-08-10 | Lovelock J | Selective detection of a component in an atmosphere |
| DE2446404C3 (en) * | 1974-09-28 | 1981-11-26 | Becker, Wolf-Jürgen, Dr., 6701 Fußgönheim | Device for sampling in flowing exhaust gases |
| US4166379A (en) * | 1975-03-11 | 1979-09-04 | Pye Limited | Apparatus for the detection of volatile organic substances |
| US3997297A (en) * | 1975-03-27 | 1976-12-14 | Anthony Jenkins | Method and apparatus for detecting a constituent in an atmosphere |
| SU684441A1 (en) * | 1977-01-24 | 1979-09-05 | Ордена Ленина Институт Химической Физики Ан Ссср | Apparatus for radiochromatographic analysis |
| US4304752A (en) * | 1979-03-23 | 1981-12-08 | Anthony Jenkins | Detection of tracer materials in the atmosphere |
| GB2181249B (en) * | 1985-08-24 | 1990-01-10 | John Maxwell Bather | Method and apparatus for detecting dangerous substances |
| CA1279207C (en) * | 1986-02-27 | 1991-01-22 | William R. Stott | Method and apparatus for trace sample collection |
| US4964309A (en) * | 1989-02-16 | 1990-10-23 | Ion Track Instruments | Portal vapor detection system |
| CA2097363A1 (en) * | 1992-06-03 | 1993-12-04 | Hideo Ueda | Expired air examination device and method for clinical purpose |
| US5859362A (en) * | 1996-10-22 | 1999-01-12 | Revenue Canada | Trace vapor detection |
| JP2000028579A (en) | 1998-07-08 | 2000-01-28 | Hitachi Ltd | Sample gas collecting device and hazardous substance detecting device |
| KR100983827B1 (en) * | 2007-08-20 | 2010-09-27 | 동양물산기업 주식회사 | Apparatus and method of analyzing constituents of gas in oral cavity and alveolar gas |
| US8671737B2 (en) | 2007-09-24 | 2014-03-18 | Freddie R. Brasfield | Target odor detection and security apparatus |
| US8701463B2 (en) | 2007-09-24 | 2014-04-22 | Freddie R. Brasfield | Target odor detection and security apparatus |
| US8806914B2 (en) | 2007-09-24 | 2014-08-19 | Freddie R. Brasfield | Target odor detection and security apparatus |
| US7913540B2 (en) * | 2007-09-24 | 2011-03-29 | Brasfield Freddie R | Odor screening system |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3725009A (en) * | 1968-06-24 | 1973-04-03 | J Lovelock | Detection of trace gases utilizing an electron capture detector |
| US3590247A (en) * | 1968-08-19 | 1971-06-29 | Richard Moore Holford | Method and apparatus for monitoring a gaseous atmosphere for radioactive isotopes including organic iodine compounds |
-
1973
- 1973-02-02 GB GB528573A patent/GB1451632A/en not_active Expired
- 1973-05-02 US US356286A patent/US3883739A/en not_active Expired - Lifetime
- 1973-08-13 IL IL42955A patent/IL42955A/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| GB1451632A (en) | 1976-10-06 |
| IL42955A0 (en) | 1973-11-28 |
| US3883739A (en) | 1975-05-13 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| IL42955A (en) | Method and apparatus for detection and identification of vapours of low volatility compounds | |
| Schwartz et al. | Separation of the 2, 4-Dinitrophenylhydrazone Derivatives of Aliphatic Monocarbonyls into Classes on Magnesia. | |
| Onji et al. | Direct analysis of several Fusarium mycotoxins in cereals by capillary gas chromatography–mass spectrometry | |
| EP0712488B1 (en) | Test gas detection with quarz glass film, heater, and gas extracting vacuum meter | |
| IL133610A0 (en) | A method for identifying a ligand | |
| US9541525B2 (en) | Substances detection system and method | |
| Ďuračková et al. | Systematic analysis of mycotoxins by thin-layer chromatography | |
| Mackay et al. | Objective measurement of odor. Ionization detection of food volatiles | |
| CA2132607A1 (en) | Ion mobility spectrometer apparatus and method, incorporating air drying | |
| US4470832A (en) | Gas chromatographic apparatus | |
| GB1118011A (en) | An improved method and apparatus for identifying substances | |
| Daisey et al. | Thin-layer gas chromatographic method for the determination of polycyclic aromatic and aliphatic hydrocarbons in airborne particulate matter | |
| Issenberg et al. | Combined gas chromatography-mass spectrometry in flavor research. Methods and applications | |
| CN110514752B (en) | Extraction method of additive in paper food packaging material and non-targeted screening method thereof | |
| US5498279A (en) | High speed gas chromatography system for analysis of polar organic compounds | |
| SE8106288L (en) | PROCEDURE BY A GAS CHROMATOGRAPHY FOR CONTINUOUS, AUTOMATIC QUALITATIVE AND QUANTIVATIVE AIR ANALYSIS AND DEVICE FOR IMPLEMENTATION OF THE PROCEDURE | |
| GB1446940A (en) | Process and apparatus for analysis by gas chromatography | |
| Sandroni et al. | A screening method for organochlorine and-phosphorus pesticide residues in vegetables using thin-layer chromatography | |
| Yamamoto et al. | Determination of chloramphenicol by gas-liquid chromatography | |
| GoTo et al. | Analysis of Aspergillus mycotoxins by gas chromatography using fused silica capillary column | |
| Ilus et al. | Chromatographic analysis of Fusarium toxins in grain samples | |
| Haegele et al. | Ultrasensitive differential measurement of cortisol and cortisone in biological samples using fluorescent ester derivatives in normal phase HPLC | |
| WO1996013724A1 (en) | A sample holder | |
| McCarthy et al. | Gas chromatographic identification of banana fruit volatiles | |
| Pucci et al. | Analysis of organic pollutants in air by thermal desorption/gas chromatography/mass spectrometry using a home‐made cryofocusing device |