title: Flow injection analysis. Part VII. use of ion-selective elctrodes for rapid analysis of soil extracts and blood serum. Determination of potassium, sodium and nitrate.
mesh_terms: D004566:Electrodes; D008722:Methods; D009566:Nitrates / Q000032:analysis* / Q000097:blood; D011188:Potassium / Q000032:analysis* / Q000097:blood; D012964:Sodium / Q000032:analysis* / Q000097:blood; D012987:Soil / Q000032:analysis*
chemical_list: D009566:Nitrates; D012987:Soil; D012964:Sodium; D011188:Potassium