SU685945A1 - Method and device for feeding liquid to be tested from sampler to measuring covette - Google Patents
Method and device for feeding liquid to be tested from sampler to measuring covetteInfo
- Publication number
- SU685945A1 SU685945A1 SU742064209A SU2064209A SU685945A1 SU 685945 A1 SU685945 A1 SU 685945A1 SU 742064209 A SU742064209 A SU 742064209A SU 2064209 A SU2064209 A SU 2064209A SU 685945 A1 SU685945 A1 SU 685945A1
- Authority
- SU
- USSR - Soviet Union
- Prior art keywords
- sampler
- measuring
- covette
- tested
- feeding liquid
- Prior art date
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
- G01N21/01—Arrangements or apparatus for facilitating the optical investigation
- G01N21/03—Cuvette constructions
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)
- Automatic Analysis And Handling Materials Therefor (AREA)
- Optical Measuring Cells (AREA)
Description
Изобретение относитс к области онтического контрол жидкостей и может быть нрименено дл исследовани жидких проб в фотометрах, флуориметрах и других оптических приборах. Один из известных способов подачи испытуемой жидкости из пробоотборника в измерительную кювету состоит в подаче дозированного объема жидкости из одной емкости в другую с помощью капилл ра-иглы 11. Наиболее близким техническим решением к данному изобретению вл етс способ подачи испытуемой жидкости из пробоотборника в измерительную кювету путем создани избыточного давлени в пробоотборнике. При этом устройство подачи испытуемой жид кости из пробоотборника в измерительную кювету содержит пробоотборник и измерительную кювету , соединенные шлангом, погруженным в испытуемую жидкость в пробоотборнике 2. К недостаткам известного технического решени относитс сложность управлени процессом подачи жидкости. Целью изобретени вл етс автоматизаци процесса. Цель достигаетс тем, что в предлагаемом способе избыточное давление в пробоотборнике создают щтем уменьшени давлени в измерительной кювете, а отсасывают испытуемую жидкость из измерительной кюветы путем опускани цилиндрического штока с выемкой до сообщени полости измерительной кюветы посредством выемки с внешней средой. При этом устройство дл реализации предлагаемого способа снабжено насосом и сборным баком, соединенным первой трубкой с кюветой и второй - с насосом, а кювета снабжена герметической крышкой с двум отверсти ми дл шланга и первой трубки, причем эта трубка снабжена цилиндрическим штоком с продольной выемкой и механизмом дл его вертикального перемещени . Изобретение по сн етс чертежом устройства подачи испытуемой жидкости из пробоотборника в измерительную кювету. Устройство содержит пробоотборник 1, отсасывающую трубку 2, измерительную кювету 3 с крышкой 4, соединительную трубку 5, всасывающую трубку 6, отсасываюшую трубку 7, сборThe invention relates to the field of ontic monitoring of liquids and can be applied to study liquid samples in photometers, fluorimeters and other optical devices. One of the known methods for supplying a test liquid from a sampler to a measuring cell is to supply a metered volume of liquid from one container to another using a capillary needle 11. The closest technical solution to this invention is to supply the test liquid from a sampler to a measuring cell by creating overpressure in the sampler. At the same time, the device for supplying the test liquid from the sampler to the measuring cuvette contains a sampler and a measuring cuvette connected by a hose immersed in the test liquid in the sampler 2. A disadvantage of the known technical solution is the difficulty of controlling the process of supplying the liquid. The aim of the invention is to automate the process. The goal is achieved by the fact that in the proposed method, the overpressure in the sampler is created by reducing the pressure in the measuring cuvette, and the test liquid is sucked out from the measuring cuvette by lowering the cylindrical rod with a notch until the cavity of the measuring cuvette communicates with the notch with the external medium. Moreover, the device for implementing the proposed method is equipped with a pump and a collection tank connected to the first tube with a cuvette and the second to the pump, and the cuvette is equipped with a pressure-tight lid with two openings for the hose and the first tube, and this tube is equipped with a cylindrical rod with a longitudinal groove and mechanism for its vertical movement. The invention is illustrated in the drawing of a device for supplying a test liquid from a sampler to a measuring cell. The device contains a sampler 1, a suction tube 2, a measuring cuvette 3 with a lid 4, a connecting tube 5, a suction tube 6, a suction tube 7, a collection
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DD174875A DD108375A1 (en) | 1973-11-26 | 1973-11-26 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| SU685945A1 true SU685945A1 (en) | 1979-09-15 |
Family
ID=5493594
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SU742064209A SU685945A1 (en) | 1973-11-26 | 1974-10-03 | Method and device for feeding liquid to be tested from sampler to measuring covette |
Country Status (6)
| Country | Link |
|---|---|
| CS (1) | CS180785B1 (en) |
| DD (1) | DD108375A1 (en) |
| DE (1) | DE2435538A1 (en) |
| HU (1) | HU170241B (en) |
| SE (1) | SE385412B (en) |
| SU (1) | SU685945A1 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3340434A1 (en) * | 1983-11-09 | 1985-05-15 | Wilhelm Sauer GmbH & Co KG, 5600 Wuppertal | Suction device for sucking off, in particular, toxic and/or aggressive liquids |
-
1973
- 1973-11-26 DD DD174875A patent/DD108375A1/xx unknown
-
1974
- 1974-07-24 DE DE2435538A patent/DE2435538A1/en not_active Withdrawn
- 1974-08-09 HU HUZE435A patent/HU170241B/hu unknown
- 1974-09-13 SE SE7411579A patent/SE385412B/en unknown
- 1974-10-03 SU SU742064209A patent/SU685945A1/en active
- 1974-10-25 CS CS7400007319A patent/CS180785B1/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| SE385412B (en) | 1976-06-28 |
| SE7411579L (en) | 1975-05-27 |
| HU170241B (en) | 1977-04-28 |
| CS180785B1 (en) | 1978-01-31 |
| DD108375A1 (en) | 1974-09-12 |
| DE2435538A1 (en) | 1975-06-05 |
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