GB963650A - Fluid sample introducing device for a gas chromatograph - Google Patents
Fluid sample introducing device for a gas chromatographInfo
- Publication number
- GB963650A GB963650A GB998762A GB998762A GB963650A GB 963650 A GB963650 A GB 963650A GB 998762 A GB998762 A GB 998762A GB 998762 A GB998762 A GB 998762A GB 963650 A GB963650 A GB 963650A
- Authority
- GB
- United Kingdom
- Prior art keywords
- sample
- cylinder device
- injecting means
- open
- sample introducing
- 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.)
- Expired
Links
Classifications
-
- 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
- G01N30/24—Automatic injection systems
Landscapes
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Treatment Of Liquids With Adsorbents In General (AREA)
Abstract
963,650. Gas chromatography sample injectors. KABUSHIKI KAISHA SHIMAZU SEISAKUSHO. March 15, 1962 [March 18, 1961 (2)], No. 9987/62. Heading B1L. A fluid sample introducing device for a gas chromatograph comprising a cylinder device 1 for transferring the sample from a sample reservoir 7, sample injecting means 3 to pour the sample from the cylinder device to the sample introducing chamber 2 of the gas chromatograph, means to operate the sample injecting means so as to advance it into the sample introducing chamber 2 to take up a feeding position and to withdraw it from the chamber to take up a shut-off position, and an automatic control system to regulate the automatic repetition of the operation of the cylinder device and the sample injecting means in the sequence (i) collecting the sample by the cylinder device, (ii) advancing the sample injecting means into the sample introducing chamber. (iii) feeding the sample and (iv) withdrawing the injection means to the shut-off position from the sample introducing chamber. The automatic control system may be directed by means of a programmer and the sample injecting means (see Fig. 2) may be movably housed in a cylinder 22 which contains an air tight, spring loaded valve 25 arranged to open into the sample introducing chamber 21, support means being provided for carrying the sample injecting means and for actuating the valve, said support means being a plunger 23 which is arranged so as to push open the air-tight valve when it is advanced, the plunger being surrounded by packing rings 34 which engage with drain holes 33 in the housing cylinder when the plunger is in the sample injection position. In Fig. 1 electric motor M 1 operates the cylinder device 1 through an operatively connecting mechanism 8 including cams, some of which operate to open and close a group of contacts 9. Motor M 2 operates the plungers 4 through operatively connecting mechanism 10 including cams to open and close contacts 11. The cylinder device 1 is constructed so as to feed simultaneously equal amounts of fluid sample into four sample introducing chambers arranged in parallel.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP969661 | 1961-03-18 | ||
| JP1373661 | 1961-03-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB963650A true GB963650A (en) | 1964-07-15 |
Family
ID=26344465
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB998762A Expired GB963650A (en) | 1961-03-18 | 1962-03-15 | Fluid sample introducing device for a gas chromatograph |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB963650A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3352089A (en) * | 1965-07-07 | 1967-11-14 | Abcor Inc | Method and apparatus for introducing samples into a gas chromatographic column |
| CN116429961A (en) * | 2023-06-13 | 2023-07-14 | 国网浙江省电力有限公司宁波供电公司 | Oil chromatographic analysis instrument and detection method thereof |
-
1962
- 1962-03-15 GB GB998762A patent/GB963650A/en not_active Expired
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3352089A (en) * | 1965-07-07 | 1967-11-14 | Abcor Inc | Method and apparatus for introducing samples into a gas chromatographic column |
| CN116429961A (en) * | 2023-06-13 | 2023-07-14 | 国网浙江省电力有限公司宁波供电公司 | Oil chromatographic analysis instrument and detection method thereof |
| CN116429961B (en) * | 2023-06-13 | 2023-11-07 | 国网浙江省电力有限公司宁波供电公司 | Oil chromatographic analysis instrument and detection method thereof |
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