Appearance

    white crystal powder

     Content[C6H10MgO4 ·2H2O],%

            98.0-102.0

                Magnesium,%

             11.4-11.8

                   Chlorid,%

                 0.06

                   Sulfate,%

                  0.2

               Heavy metal,%

               0.001

                    Arsenic,%

              0.0005

                  Moisture,%

                  2.0

    Fineness passing 60 mesh sieve

                 99.0