FIELD: instrument making.
SUBSTANCE: device comprises dosing syringe. Nozzle made of body and pipeline of blowing gas supply is installed at the end of syringe body. Device also comprises sealing elements, providing together with nuts for tight connections of nozzle body with syringe body and its stem. Nozzle body includes cylindrical cavity, where blowing gas is supplied along pipeline. Diametre of this cavity is more than diametre of syringe piston.
EFFECT: improved quality of chromatographic analysis and reliable operation of device.
2 dwg
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SU750280A1 |
