A method for the colorimetric determination of calcium and magnesium in small amounts of urine, stool, and food.
D001826:Body Fluids; D002118:Calcium / Q000032:analysis*; D017610:Calcium Compounds / Q000032:analysis*; D003124:Colorimetry; D005243:Feces; D006801:Humans; D008274:Magnesium / Q000032:analysis*
D017610:Calcium Compounds; D008274:Magnesium; D002118:Calcium
CALCIUM AND CALCIUM COMPOUNDS/determination; MAGNESIUM/determination