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Drug substances total surface area

The hygroscopicity of a drug and pharmaceutical substances is a potential parameter to be considered in tablet formulation. The moisture uptake rate is quite variable depending on the type of drug and excipients as well as the environmental conditions. So, a concise definition of hygroscopicity is not possible. Powders can absorb moisture by both capillary imbibition and swelling. The instantaneous water absorption prosperties of pharmaceutical excipients correlate with total surface area while the total absorption capacity correlates with powder porosity [22],... [Pg.911]

See other pages where Drug substances total surface area is mentioned: [Pg.328]    [Pg.433]    [Pg.205]    [Pg.126]    [Pg.138]    [Pg.929]    [Pg.101]    [Pg.226]    [Pg.431]    [Pg.253]    [Pg.232]    [Pg.119]    [Pg.234]    [Pg.198]    [Pg.88]   
See also in sourсe #XX -- [ Pg.205 ]



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Drug substances

Total surface areas

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