Question: what is the difference between slaked lime and hydrated lime?
Answer: Hydrated lime, sometimes called slaked lime, is quicklime to which water has been added until all the oxides of calcium and magnesium have been converted to hydroxides. ... Dolomitic hydrated lime will have about 48 percent calcium oxide, 34 percent magnesium oxide and 17 percent water. Hydrated lime is white and powdery.