Liquid treating device for chemical analysis apparatus
US4318885A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Sep 5, 1980 |
| Grant date | Mar 9, 1982 |
| Priority date | — |
| Expiry date | Sep 5, 2000 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01N35/1004
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A liquid treating device for chemical analysis apparatus which is provided with a nozzle for successively sucking various kinds of liquids such as a test liquid, wash liquid, reagent, standard liquid having a known ion concentration or the like and having one end connected to a liquid sucking means and another end operative to be penetrated into a liquid to be treated, said nozzle being surrounded by a cylindrical cell provided at its upper and lower end portions with branch pipes selectively connected to a wash liquid supply means. When both the liquid sucking means and wash liquid supply means are operative, the inner and outer wall of the nozzle are washed with the washed liquid.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.