title: The mineral composition of apples. XI. An extraction technique suitable for the rapid determination of calcium, but not potassium and magnesium, in the fruit.
mesh_terms: D002118:Calcium / Q000032:analysis*; D005069:Evaluation Studies as Topic; D005504:Food Analysis / Q000592:standards; D005638:Fruit / Q000032:analysis*; D008274:Magnesium / Q000032:analysis; D008722:Methods; D010783:Photometry; D011188:Potassium / Q000032:analysis; D012995:Solubility
chemical_list: D008274:Magnesium; D011188:Potassium; D002118:Calcium