title: Determination of calcium, magnesium and potassium in pharmaceutical preparations by conductometric method.
mesh_terms: D002118:Calcium / Q000032:analysis*; D004553:Electric Conductivity; D008274:Magnesium / Q000032:analysis*; D011188:Potassium / Q000032:analysis*
chemical_list: D008274:Magnesium; D011188:Potassium; D002118:Calcium