FR1563552A - - Google Patents
Info
- Publication number
- FR1563552A FR1563552A FR1563552DA FR1563552A FR 1563552 A FR1563552 A FR 1563552A FR 1563552D A FR1563552D A FR 1563552DA FR 1563552 A FR1563552 A FR 1563552A
- Authority
- FR
- France
- 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
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D21/00—Control of chemical or physico-chemical variables, e.g. pH value
- G05D21/02—Control of chemical or physico-chemical variables, e.g. pH value characterised by the use of electric means
-
- 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
-
- 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
- G01N21/3577—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light for analysing liquids, e.g. polluted water
Landscapes
- Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- General Physics & Mathematics (AREA)
- Biochemistry (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Health & Medical Sciences (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DES0110023 | 1967-05-26 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR1563552A true FR1563552A (de) | 1969-04-11 |
Family
ID=7529930
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR1563552D Expired FR1563552A (de) | 1967-05-26 | 1968-05-20 |
Country Status (7)
| Country | Link |
|---|---|
| AT (1) | AT280664B (de) |
| CH (1) | CH469256A (de) |
| DE (1) | DE1623096A1 (de) |
| FR (1) | FR1563552A (de) |
| GB (1) | GB1218119A (de) |
| NL (1) | NL6804448A (de) |
| SE (1) | SE334756B (de) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5616376B2 (de) * | 1972-07-26 | 1981-04-16 | ||
| CN101526468B (zh) * | 2009-04-03 | 2011-12-07 | 盐城市土壤肥料技术指导站 | 一种石灰性土壤缓效钾含量检测浸提方法 |
-
1967
- 1967-05-26 DE DE19671623096 patent/DE1623096A1/de active Pending
-
1968
- 1968-02-27 AT AT185768A patent/AT280664B/de not_active IP Right Cessation
- 1968-03-15 CH CH387968A patent/CH469256A/de unknown
- 1968-03-29 NL NL6804448A patent/NL6804448A/xx unknown
- 1968-05-03 SE SE06007/68A patent/SE334756B/xx unknown
- 1968-05-16 GB GB23452/68A patent/GB1218119A/en not_active Expired
- 1968-05-20 FR FR1563552D patent/FR1563552A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| AT280664B (de) | 1970-04-27 |
| SE334756B (de) | 1971-05-03 |
| NL6804448A (de) | 1968-11-27 |
| DE1623096A1 (de) | 1971-04-01 |
| CH469256A (de) | 1969-02-28 |
| GB1218119A (en) | 1971-01-06 |