GB1428235A - Flame photometric detector - Google Patents
Flame photometric detectorInfo
- Publication number
- GB1428235A GB1428235A GB1109773A GB1109773A GB1428235A GB 1428235 A GB1428235 A GB 1428235A GB 1109773 A GB1109773 A GB 1109773A GB 1109773 A GB1109773 A GB 1109773A GB 1428235 A GB1428235 A GB 1428235A
- Authority
- GB
- United Kingdom
- Prior art keywords
- flame
- sample
- gas
- photometer
- march
- 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
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/62—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light
- G01N21/71—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light thermally excited
- G01N21/72—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light thermally excited using flame burners
Landscapes
- Health & Medical Sciences (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Physics & Mathematics (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)
- Investigating, Analyzing Materials By Fluorescence Or Luminescence (AREA)
Abstract
1428235 Flame photometer VARIAN ASSOCIATES 7 March 1973 [8 March 1972] 11097/73 Heading G2J [Also in Division G1] A flame photometer comprises a photodetector in combination with a burner arranged to produce a reducing flame and designed so that the sample under test is fed to a peripheral region of the flame. As shown, hydrogen fuel gas and combustion support gas i.e. oxygen are fed via control valves 28, 29 and tube 25 to flame tip member 31, which is held in position by ferrule 32 and screw threaded sample guide-member 33. The sample gas is delivered via tube 34 to pass via notches 33' into the peripheral, low temperature (400‹C), hydrogen-rich part of the flame, so that while undesired interference substances e.g. hydrocarbons, are burned inefficiently, burning of the sample is optimized. The apparatus includes igniter 14, ion collector 15, for monitoring hydrocarbons, explosion shield 43, filter 42 and photomultiplier 41 forming part of a spectrophotometer. The photometer may be used to examine the effluent from a gas chromatograph column.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US23292672A | 1972-03-08 | 1972-03-08 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1428235A true GB1428235A (en) | 1976-03-17 |
Family
ID=22875151
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB1109773A Expired GB1428235A (en) | 1972-03-08 | 1973-03-07 | Flame photometric detector |
| GB3654875A Expired GB1428237A (en) | 1972-03-08 | 1973-03-07 | Spectral flame burner |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB3654875A Expired GB1428237A (en) | 1972-03-08 | 1973-03-07 | Spectral flame burner |
Country Status (7)
| Country | Link |
|---|---|
| JP (1) | JPS491289A (en) |
| CA (1) | CA982843A (en) |
| CH (1) | CH576639A5 (en) |
| DE (1) | DE2311135A1 (en) |
| FR (1) | FR2175499A5 (en) |
| GB (2) | GB1428235A (en) |
| NL (1) | NL7303311A (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5616538Y2 (en) * | 1977-11-25 | 1981-04-17 | ||
| US4466943A (en) * | 1979-11-28 | 1984-08-21 | Nissan Motor Co., Ltd. | Flame photometric detector analyzer |
| US5238984A (en) * | 1989-10-10 | 1993-08-24 | Ciba-Geigy Corporation | Dianthraquinonyl compounds |
| JPH0475961U (en) * | 1990-11-15 | 1992-07-02 | ||
| IL115287A (en) * | 1995-09-13 | 2000-02-17 | Aviv Amirav | Flame-based method and apparatus for analyzing a sample |
-
1973
- 1973-03-07 GB GB1109773A patent/GB1428235A/en not_active Expired
- 1973-03-07 DE DE19732311135 patent/DE2311135A1/en active Pending
- 1973-03-07 CA CA165,425A patent/CA982843A/en not_active Expired
- 1973-03-07 GB GB3654875A patent/GB1428237A/en not_active Expired
- 1973-03-08 FR FR7308356A patent/FR2175499A5/fr not_active Expired
- 1973-03-08 NL NL7303311A patent/NL7303311A/xx unknown
- 1973-03-08 JP JP2755973A patent/JPS491289A/ja active Pending
- 1973-08-08 CH CH342373A patent/CH576639A5/xx not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| GB1428237A (en) | 1976-03-17 |
| NL7303311A (en) | 1973-09-11 |
| CH576639A5 (en) | 1976-06-15 |
| CA982843A (en) | 1976-02-03 |
| FR2175499A5 (en) | 1973-10-19 |
| JPS491289A (en) | 1974-01-08 |
| AU5304173A (en) | 1974-10-10 |
| DE2311135A1 (en) | 1973-09-27 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed | ||
| PLNP | Patent lapsed through nonpayment of renewal fees |