[OH2:1].[O-:2][S:3]([O-:6])(=[O:5])=[O:4].[Mg+2:7]>>[OH2:2].[OH2:1].[OH2:2].[OH2:2].[OH2:2].[OH2:2].[OH2:2].[S:3]([O-:6])([O-:5])(=[O:4])=[O:2].[Mg+2:7]When testing for free water in MgSO4-treated drilling fluid, it is important to realize that the product formed by the reaction, MgSO4·7H2O, magnesium sulfate heptahydrate, has a melting temperature of only 150° C. (302° F.).
불러오는 중…