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Spectra Analysis Instruments, Inc.

Articles by Spectra Analysis Instruments, Inc.

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Characterization of Polymeric Excipients by SEC-IR

ByKanna Ito,Ming Zhou,Spectra Analysis Instruments, Inc.,Shodex, Showa Denko America, Inc.

The Application Notebook

Excipients are pharmacologically inactive substances used as carrier and release controllers for active drug ingredients. A significant amount (30–80% solid) of polymeric excipients such as hydroxyl propyl cellulose (HPC), hydroxypropyl methyl cellulose (HPMC), hydroxypropyl methyl cellulose acetate succinate (HPMCAS), and povidone are used.

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