FIELD: electronic industry.
SUBSTANCE: method provides substantial savings of isopropyl spirits used as drying agent, by injecting methyl-ethyl-ketone into subject mixture. Method includes forming triple constantly boiling azeotropic mixture of isopropyl spirits, water and methyl-ethyl-ketone, to allow removal of constantly flowing water admixtures and, thus, prevention of spoiling of drying agent.
EFFECT: decreased isopropyl spirits consumption, lower laboriousness of process.
1 tbl
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