GB1440588A - Apparatus for measuring turbidity - Google Patents
Apparatus for measuring turbidityInfo
- Publication number
- GB1440588A GB1440588A GB5145773A GB5145773A GB1440588A GB 1440588 A GB1440588 A GB 1440588A GB 5145773 A GB5145773 A GB 5145773A GB 5145773 A GB5145773 A GB 5145773A GB 1440588 A GB1440588 A GB 1440588A
- Authority
- GB
- United Kingdom
- Prior art keywords
- potential
- gas
- nov
- chamber
- measuring
- 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
- 239000012080 ambient air Substances 0.000 abstract 1
- 238000011109 contamination Methods 0.000 abstract 1
- 230000008021 deposition Effects 0.000 abstract 1
- 238000005259 measurement Methods 0.000 abstract 1
- 239000002245 particle 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
- G01N21/01—Arrangements or apparatus for facilitating the optical investigation
- G01N21/15—Preventing contamination of the components of the optical system or obstruction of the light path
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)
- Investigating Or Analysing Materials By Optical Means (AREA)
- Optical Measuring Cells (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2254388A DE2254388C2 (de) | 1972-11-07 | 1972-11-07 | Trübungsmeßgerät |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1440588A true GB1440588A (en) | 1976-06-23 |
Family
ID=5861024
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB5145773A Expired GB1440588A (en) | 1972-11-07 | 1973-11-06 | Apparatus for measuring turbidity |
Country Status (4)
| Country | Link |
|---|---|
| DE (1) | DE2254388C2 (enExample) |
| FR (1) | FR2206002A5 (enExample) |
| GB (1) | GB1440588A (enExample) |
| IT (1) | IT1001641B (enExample) |
-
1972
- 1972-11-07 DE DE2254388A patent/DE2254388C2/de not_active Expired
-
1973
- 1973-11-06 IT IT3098473A patent/IT1001641B/it active
- 1973-11-06 GB GB5145773A patent/GB1440588A/en not_active Expired
- 1973-11-07 FR FR7339592A patent/FR2206002A5/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR2206002A5 (enExample) | 1974-05-31 |
| DE2254388B1 (de) | 1974-05-16 |
| DE2254388C2 (de) | 1975-01-02 |
| IT1001641B (it) | 1976-04-30 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed | ||
| PCNP | Patent ceased through non-payment of renewal fee |