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| HG3257-1990 |
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| It is mainly used in pharmaceutical industry to make calcium tablets, tablet medicine additive.etc. for curing acalucosis of women during pregnancy and lactation and for the prevention and control of rickets and dental caries. |
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Stability : Accord with the test
pH value(20%) : 7.6 - 8.3
Loss on ignition 800'C : 24.5 - 26.5
Carbonate : Accord with the test
Fineness(pass 45 micorm mesh),>% : 97.0
Sulfides : Accord with the test
Chlorides(as Cl),<% : 0.03
Absorptive water(ml/20g) : 5.0 - 6.5
Content(as CaO),% : 32.0 - 33.0
Arsenic(As),<% : 0.0008
Heavy metals(Pb), <% : 0.003
Fluoride,<% : 0.005
Degree of whiteness,>% : 95 |
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