Abstract:
An electrode for measuring the concentration of nitrate ions in an aqueous solution wherein the sensing portion is an organic phase containing a high molecular weight quaternary ammonium salt dissolved in a high molecular weight nitrophenyl-type solvent.
Abstract:
AN ELECTRODE FOR MEASURING THE CONCENTRATION OF POTASSIUM IONS IN AN AQUEOUS SOLUTION WHEREIN THE SENSING PORTION IS A LIQUID ORGANIC PHASE CONTAINING A POTASSIUM SUBSTITUTED TETRAPHENYLBORATE DISSOLVED IN A SUITABLE ORGANIC SOLVENT.