FIELD: physics.
SUBSTANCE: method involves insulating a capillary section where the detection window is located with radical polymerisation in the quartz capillary. Radical polymerisation of the reaction mixture in the capillary is initiated via electron-beam processing by exposing the reaction mixture to accelerated electrons at absorbed dose values ranging from 25 to 75 kGy. The outer polyimide layer is removed with drops of hot sulphuric acid while simultaneously washing the column with a cooling liquid or a liquid-gas mixture.
EFFECT: high reliability and a simple method of making a detection window.
2 cl, 2 ex
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