Arrangement at measurement of PH or another chemical property detectable by dye indicators
Research output: Patent › Scientific
|Patent number||US 6208423 B1|
|IPC||G01N21/55, G01N21/78, G01N21/80|
|Publication status||Published - 27 Mar 2001|
|Publication type||H1 Granted patent|
The invention relates to an arrangement at measurement of pH or another chemical property detectable by dye indicators, the arrangement comprising a glass sheet or a similar substrate to be immersed into a solution to be measured, the substrate being coated with a dye film arranged to change its colour when a chemical property of the environment changes, and means for leading light through the substrate to the dye film.