GB1303708A - - Google Patents
Info
- Publication number
- GB1303708A GB1303708A GB1303708DA GB1303708A GB 1303708 A GB1303708 A GB 1303708A GB 1303708D A GB1303708D A GB 1303708DA GB 1303708 A GB1303708 A GB 1303708A
- Authority
- GB
- United Kingdom
- Prior art keywords
- catalyst
- indicating liquid
- gas
- differential
- unit containing
- 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
- 239000007788 liquid Substances 0.000 abstract 9
- 239000007789 gas Substances 0.000 abstract 6
- 239000003054 catalyst Substances 0.000 abstract 5
- 230000002051 biphasic effect Effects 0.000 abstract 4
- KDLHZDBZIXYQEI-UHFFFAOYSA-N Palladium Chemical compound [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 abstract 2
- 239000003426 co-catalyst Substances 0.000 abstract 2
- 238000007598 dipping method Methods 0.000 abstract 2
- 238000004868 gas analysis Methods 0.000 abstract 2
- 229930195733 hydrocarbon Natural products 0.000 abstract 2
- 150000002430 hydrocarbons Chemical class 0.000 abstract 2
- 229910052739 hydrogen Inorganic materials 0.000 abstract 2
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 abstract 2
- 239000004094 surface-active agent Substances 0.000 abstract 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 abstract 1
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 abstract 1
- 239000013543 active substance Substances 0.000 abstract 1
- 239000000654 additive Substances 0.000 abstract 1
- 230000000996 additive effect Effects 0.000 abstract 1
- 229910002091 carbon monoxide Inorganic materials 0.000 abstract 1
- 239000011248 coating agent Substances 0.000 abstract 1
- 238000000576 coating method Methods 0.000 abstract 1
- 238000005336 cracking Methods 0.000 abstract 1
- 238000004455 differential thermal analysis Methods 0.000 abstract 1
- 239000001257 hydrogen Substances 0.000 abstract 1
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 abstract 1
- 229910052753 mercury Inorganic materials 0.000 abstract 1
- 229910052763 palladium Inorganic materials 0.000 abstract 1
- 229910052697 platinum Inorganic materials 0.000 abstract 1
- 239000007787 solid Substances 0.000 abstract 1
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
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
- G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
- G01N21/31—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry
- G01N21/35—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light
- G01N21/3504—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light for analysing gases, e.g. multi-gas analysis
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N25/00—Investigating or analyzing materials by the use of thermal means
- G01N25/02—Investigating or analyzing materials by the use of thermal means by investigating changes of state or changes of phase; by investigating sintering
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N25/00—Investigating or analyzing materials by the use of thermal means
- G01N25/20—Investigating or analyzing materials by the use of thermal means by investigating the development of heat, i.e. calorimetry, e.g. by measuring specific heat, by measuring thermal conductivity
- G01N25/48—Investigating or analyzing materials by the use of thermal means by investigating the development of heat, i.e. calorimetry, e.g. by measuring specific heat, by measuring thermal conductivity on solution, sorption, or a chemical reaction not involving combustion or catalytic oxidation
Landscapes
- Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Health & Medical Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Pathology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Combustion & Propulsion (AREA)
- Investigating Or Analyzing Non-Biological Materials By The Use Of Chemical Means (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
1303708 Differential thermometer; gas analysis G J MALECKI 9 March 1970 11095/70 Headings G1B G1D and G1N A differential thermometer comprises a closed tube 12 having a biphasic system each end and a column 29 of indicating liquid, the surface tension between the indicating liquid and the biphasic systems or the wall of the tube having been lowered by a surface active agent in the form of an additive to the indicating liquid or the biphasic system or in the form of a coating on the walls of the tube. The biphasic systems may be gasliquid, gas-solid or liquid-vapour, and numerous examples of these, of the indicating liquid and of the surface active agent are given. The movement of the indicating liquid may be measured visually, photographically, by measuring the resistance of a wire 31 dipping into the indicating liquid, by measuring the capacitance between two wires dipping into the indicating liquid, only measuring the capacitance between plates either side of the indicating liquid, Fig.7 (not shown). Two short contact wires may be provided to be connected by the indicating liquid when this is mercury to indicate the attainment of a particular differential temperature, Fig.1 (not shown). The differential thermometer may be used as a detector in a differential thermal analysis unit and in an infrared gas analyzer, Fig.3 (not shown). For use in gas analysis, a gas stream containing an oxidizable gas is split into two streams, one stream passing to each bulb, Figs.1 and 2 (not shown). At one bulb the oxidizable gas is oxidized over a catalyst, while at the other bulb a non- active substance is provided. A temperature differential thus occurs and is measured by the differential thermometer. Gases which may be analyzed include CO (hopcalite catalyst) SO 2 (palladium) and hydrogen (platinum). A gas containing hydrocarbons, CO and H 2 may be analyzed by passing it in turn to a unit containing a CO catalyst, a unit containing a H 2 catalyst, a tube containing a nickel catalyst for cracking the hydrocarbons,a further unit containing a CO catalyst and a further unit containing a H 2 catalyst. A branch stream may be passed to a unit containing a SO 3 catalyst.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB1109570 | 1970-03-09 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1303708A true GB1303708A (en) | 1973-01-17 |
Family
ID=9979945
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB1303708D Expired GB1303708A (en) | 1970-03-09 | 1970-03-09 |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB1303708A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2004061404A1 (en) * | 2002-12-16 | 2004-07-22 | Radiodetection Ltd. | Leak detector and leak detection using helium or hydrogen as tracer gas |
| CN103439026A (en) * | 2013-09-06 | 2013-12-11 | 太原鹏跃电子科技有限公司 | Special device for chemical temperature changing head |
| CN103940846A (en) * | 2014-04-08 | 2014-07-23 | 河北绿岭庄园食品有限公司 | Method for rapidly judging flat sour contamination to liquid can |
| EP3137205A4 (en) * | 2014-04-30 | 2017-12-06 | Man Singh | An instrument and method for quantitative determination of physicochemical properties of chemical substances |
-
1970
- 1970-03-09 GB GB1303708D patent/GB1303708A/en not_active Expired
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2004061404A1 (en) * | 2002-12-16 | 2004-07-22 | Radiodetection Ltd. | Leak detector and leak detection using helium or hydrogen as tracer gas |
| US7140232B2 (en) | 2002-12-16 | 2006-11-28 | Radiodetection Limited | Method and apparatus for multiple gas sensor |
| CN103439026A (en) * | 2013-09-06 | 2013-12-11 | 太原鹏跃电子科技有限公司 | Special device for chemical temperature changing head |
| CN103940846A (en) * | 2014-04-08 | 2014-07-23 | 河北绿岭庄园食品有限公司 | Method for rapidly judging flat sour contamination to liquid can |
| CN103940846B (en) * | 2014-04-08 | 2016-03-23 | 河北绿岭庄园食品有限公司 | The method whether quick judgement liquid can is polluted by flat |
| EP3137205A4 (en) * | 2014-04-30 | 2017-12-06 | Man Singh | An instrument and method for quantitative determination of physicochemical properties of chemical substances |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| CSNS | Application of which complete specification have been accepted and published, but patent is not sealed |