title: Use of potassium ion-exchanger electrode for microanalysis.
mesh_terms: D000362:Agar; D000818:Animals; D007684:Kidney Tubules / Q000032:analysis*; D008094:Lithium; D008722:Methods; D008832:Microchemistry; D008839:Microelectrodes; D009994:Osmolar Concentration; D010783:Photometry; D011188:Potassium / Q000032:analysis* / Q000097:blood; D011189:Potassium Chloride; D012965:Sodium Chloride
chemical_list: D012965:Sodium Chloride; D011189:Potassium Chloride; D000362:Agar; D008094:Lithium; D011188:Potassium