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PHA 327 - Exam 2 - Solutions 2
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What is Alcohol USP composed of?
94.9- 96% (v/v) ethanol at 15.56 degrees C
Next to water what is the most useful solvent?
Alcohol USP
What is Dehydrated alcohol composed of?
No less than 99.5% ethanol (v/v)
The final volume of mixing purified water and alcohol USP is usually, what?
3% less than the additive original volumes
What is Glycerine USP miscible with?
Alcohol and water
What is the appearance of Glycerol USP?
Clear and viscous liquid
What is glycerine USP used for?
As a stabilizer in vitamin formulations
What special quality does Glycerine have?
Preservative quality
What other solvent is frequently substituted for glycerine?
Propylene glycol
What is the appearance of propylene glycol?
Viscous liquid
What is propylene glycol miscible with?
Water and alcohol
How is Purified water USP prepared?
Natural water purified by distillation, ion-exchange or reverse osmosis
How does purified water compare to drinking water?
Contains less sodium
How much solid is contained in purified water USP?
<0.001%
Is purified water USP used for Parenterals?
No
What is Purified water USP used for?
Oral dosage forms
What is purified water USP not used for?
Parenterals
What type of solutions require heat during preparation?
Concentrated solutions or slow dissolving solutes
What types of solutions do not require heating during preparation?
Dilute and readily dissolving solutions
What types of solutes need to be predissolved prior to administration to the bulk liquid?
Dyes and preservatives
Why are some solutions provided as dry powders for reconstitution?
They have poor solubility in solution over time
How are dry mixture of oral solutions prepared?
Purified water is used to reconstitute them
What should patients be instructed to do after using a dose of a dry mixture for oral solution?
Throw the rest away
Author
kyleannkelsey
ID
214996
Card Set
PHA 327 - Exam 2 - Solutions 2
Description
PHA 327 - Exam 2 - Solutions 2
Updated
2013-04-22T05:05:32Z
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