Membrane for potassium-sensitive electrode - used to determine potassium concns. in urine or blood, and in plants and soils, comprises potassium titanium phosphate type single crystal

摘要

Membrane comprises a single crystal of the KTiOPO4-type. USE/ADVANTAGE - The electrodes can be used for electrochemical determinations, e.g. amt. of K in urine or blood, and K accumulation in plants and soils. The membrane is made from easily available materials, has long service life, can be regenerated if contaminated and can be used at high temps.. A K-sensitive electrode comprises an electrode body (1), sealed by the membrane (5).The electrode wire (2) is connected to the body to the deviating electrode (3), which is immersed in a reference soln. (4).The membrane comprises a planar parallel KTiOPO4 single crystal disk of 6mm dia. and 1.5 mm thickness and is connected to the electrode body.