PHA 327 - Exam 2 - Suspensions 5

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kyleannkelsey
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214991
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PHA 327 - Exam 2 - Suspensions 5
Updated:
2013-04-22 00:25:46
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PHA 327 Exam Suspensions
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PHA 327 - Exam 2 - Suspensions 5
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  1. What are the four general groups of Dispersion stabilizers for suspensions?
    • Hydrocolloids
    • Modified plant derivatives
    • Clays
    • Synthetic hydrocolloids
  2. Hydrocolloids, Modified plant derivative, Clays and Synthetic hydrocolloids are all types of what?
    Dispersion Stabilizers for suspensions
  3. What are examples of modified plant derivatives that can be used as Dispersion stabilizers?
    • Methylcellulose
    • Sodium carboxymethylcellulose
    • Microcrystalline cellulose
  4. What types of Hydrocolloid Dispersion stabilizers exist?
    • Plant derivatives = acacia, tragacanth, sodium alginate
    • Animal derivative = gelatin, egg yolk and casein
  5. What clays can act as dispersion stabilizers?
    • Bentonite
    • Vee gum
  6. What synthetic hydrocolloid is available for use as a dispersion stabilizer?
    Synthetic hydrocolloids
  7. What are the suspension preservative examples given in class?
    Ethyl and Methyl paraben
  8. What are Ethyl and Methyl paraben used as in suspensions?
    Preservatives
  9. What are the Viscosity Enhancers examples given in class?
    Sorbitol, Syrups
  10. What are Sorbitol and Syrups used as in suspensions?
    Viscosity Enhancers
  11. What should suspension storage containers be like?
    • Tight containers
    • Protected from heat and light
    • Adequate airspace above the liquid to permit shaking
  12. What should always be done before use of suspension?
    SHOULD ALWAYS BE SHAKEN BEFORE USE

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