Compound FormulaMgO3Si
Molecular Weight100.39
Melting PointN/A
Boiling PointN/A
Exact Mass99.946712
Monoisotopic Mass99.946712

Sr. No.Test ParametersSpecification / Limits
1DescriptionA white fine bulky amorphous powder with faint odour
2SolubilityPractically insoluble in water, and in ether
3IdentificationShows test of Magnesium salts
4FluorideNot more than 10 ug/gm
5Free AlkaliNot more than 2.5 ml of 0.1 NHCL
6LeadNot more than 10 ug/gm
7Soluble SaltNot more than 75.0 mg
8Heavy MetalNot more than 20 ug/gm
9Loss on DryingNot more than 15 %
10Loss On IgnitionNot more than 15 %
11pH7.0 to 10.8
12Assay as MgO
Assay as SiO2
NLT 15 %
NLT 67 %
13Ratio of SiO2/MgOBetween 2.5 to 4.50