Magnesium Hydroxide
DescriptionBulky white powder odourless
SolubilityPractically insoluble in water and ethanol 95%, It dissolves is dilute acids.
StandardMagnesium Hydroxide contains not less than 95% and not more tham 100.5% of Magesium Hydroxide
ArsenicNot more than 4 ppm
Heavy MetalsNot more than 30 ppm
ChlorideNot more than 0.1%
SulphateNot more than 0.5 %
CalciumNot more than 1.5%
IronNot more than 0.08%
Soluble Subs.Not more than 1.0%
Insoluble in Acetic AcidLimit 0.05% to 0.1%
Assay(as Mg (OH)2)Between 95.0% and 100.5%
Loss on Ignition30.0 to 32.5%
Mainly used in antacid tablets,effluent treatment, and other magnesium salts, food nutritional products along with vitamins and antioxidants, fuel oil, coal additives & stack SO2 absorption.