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| AMBERLITE™ IRP and DUOLITE™ AP Ion
Exchange Resins Bulk Pharmaceutical Chemicals for Finished Dosage Forms |
| Compendial name |
Commercial name
|
Function in the dosage form Active |
Matrix
|
Functionality
|
Ionic form
|
|
| Polacrilex Resin |
-
|
• Nicotine |
Methacrylic acid & Divinylbenzene polymer
|
Weak acid |
Hydrogen
|
|
| Polacrilin Potassium |
-
|
Methacrylic acid & Divinylbenzene polymer
|
Weak acid |
Potassium | ||
| Sodium Polystyrene Sulfonate |
• Sustained release |
Styrene- Divinylbenzene polymer
|
Strong acid -SO3- |
Sodium
|
||
| Cholestyramine Resin (1) | • Sustained
release • Drug stabilizing agent • Taste masking agent |
Styrene- Divinylbenzene polymer |
Strong base -N+(R)3 |
Chloride
|
||
(1) Cholestyramine resin is available in several grades which vary only in their particle size
A simple guide is given to help you choose the right ion exchange resin.
If you have any specific request in terms of particle size or other polymer characteristics or need information on how to get a sample, then please contact your regional Ion Exchange Resin office
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