GB1374427A - Measurement of water content - Google Patents
Measurement of water contentInfo
- Publication number
- GB1374427A GB1374427A GB1322671A GB1322671A GB1374427A GB 1374427 A GB1374427 A GB 1374427A GB 1322671 A GB1322671 A GB 1322671A GB 1322671 A GB1322671 A GB 1322671A GB 1374427 A GB1374427 A GB 1374427A
- Authority
- GB
- United Kingdom
- Prior art keywords
- hydrogen
- content
- heavy water
- aqueous phase
- water
- 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
- G01N24/00—Investigating or analyzing materials by the use of nuclear magnetic resonance, electron paramagnetic resonance or other spin effects
- G01N24/08—Investigating or analyzing materials by the use of nuclear magnetic resonance, electron paramagnetic resonance or other spin effects by using nuclear magnetic resonance
Landscapes
- Physics & Mathematics (AREA)
- High Energy & Nuclear Physics (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)
- Investigating Or Analyzing Non-Biological Materials By The Use Of Chemical Means (AREA)
Abstract
1374427 Measuring water content NEWPORT INSTRUMENTS Ltd 8 March 1972 [5 May 1971] 13226/71 Headings G1N and G1S The water content of a material containing organic hydrogen is determined by mixing a sample of the material with a quantity of heavy water so as to allow hydrogen-dueterium exchange to occur, separating the mixture into an aqueous phase and a non-aqueous phase and determining the hydrogen content of the aqueous phase. The hydrogen content may be determined by infrared spectroscopy, mass spectrometry or by N.M.R. The material may be a fat, and the heavy water may be acidified with hydrochloric acid to a pH of 1 to 2 to suppress ionization of fatty acids in the fat. If N.M.R. is used to determine the hydrogen, a paramagnetic salt such as Cu (NO 3 ) 2 .3H 2 O or a soluble salt of the "d" block transition metals (e.g. manganese, copper, iron, cobalt or nickel) is added to the heavy water to reduce the proton relaxation time. The hydrogen content of the heavy water is preferably determined both before and after contact with the material, and the increase in hydrogen content is a measure of the water content and may be compared with a calibration curve. The material may be margarine, butter, mayonnaise, groundnut cake, milk powder or animal feedstuffs.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB1322671A GB1374427A (en) | 1972-03-08 | 1972-03-08 | Measurement of water content |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB1322671A GB1374427A (en) | 1972-03-08 | 1972-03-08 | Measurement of water content |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1374427A true GB1374427A (en) | 1974-11-20 |
Family
ID=10019131
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB1322671A Expired GB1374427A (en) | 1972-03-08 | 1972-03-08 | Measurement of water content |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB1374427A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106970102A (en) * | 2017-03-10 | 2017-07-21 | 厦门大学 | The nuclear magnetic resonance spatial discrimination spectral method of emulsus liquid phases separation is monitored in real time |
| CN108459039A (en) * | 2018-03-16 | 2018-08-28 | 厦门大学 | A kind of nuclear magnetic resonance localization spectral method of Noninvasive observation emulsion forming process |
| CN113447514A (en) * | 2021-06-25 | 2021-09-28 | 中国矿业大学 | Miniature nuclear magnetic resonance device for measuring moisture content of geologic body |
-
1972
- 1972-03-08 GB GB1322671A patent/GB1374427A/en not_active Expired
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106970102A (en) * | 2017-03-10 | 2017-07-21 | 厦门大学 | The nuclear magnetic resonance spatial discrimination spectral method of emulsus liquid phases separation is monitored in real time |
| CN106970102B (en) * | 2017-03-10 | 2018-09-04 | 厦门大学 | Monitor the nuclear magnetic resonance spatial discrimination spectral method of emulsus liquid phases separation in real time |
| CN108459039A (en) * | 2018-03-16 | 2018-08-28 | 厦门大学 | A kind of nuclear magnetic resonance localization spectral method of Noninvasive observation emulsion forming process |
| CN108459039B (en) * | 2018-03-16 | 2019-10-22 | 厦门大学 | A kind of nuclear magnetic resonance localization spectral method of Noninvasive observation emulsion forming process |
| CN113447514A (en) * | 2021-06-25 | 2021-09-28 | 中国矿业大学 | Miniature nuclear magnetic resonance device for measuring moisture content of geologic body |
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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 |