anordning och foerfarande foer snabb kvalitativ och kvantitativ bestaemning av naervaron av i reaktiv - ligand i that fluidum.

摘要

This device comprises a stack of corrugated strips 3, each arranged in a generally vertical plane, the corrugations being oblique and descending in opposite directions of a blade to the next. Each wave trough 5 has a lower end opens out laterally comprises an obstacle 7 projecting in the vicinity of this lower end. / p & & p & application to the air distillation columns.