Extractions

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Define

amphoteric

A compound which contains both acidic and basic functional groups
Define

solubility

• The capacity of two or more substances to form, without chemical reaction, a homogenous molecular dispersion
Define

Acid

A compound which can donate a proton
Define

Base

A compound which can accept a proton
Define

solvent

the liquid componet into which the solute is dissolved
Name one source where chemical information, such as solubility, melting points, etc, can be found.

Merck index or Clark's

isolation and identification of drugs
Name 3 types of extractions.
- Dry Extractions
- • Liquid-Liquid extractions
- • ANOR Extractions
Name 2 of the common solvents used in extractions.
- chloroform
- diethyl ether
- petroleum ether
- ethyl acetate
What extraction technique can be used specifically for methamphetamine and amphetamine?
What chemical property makes this extraction work?
- Alkaline Diffusion
- Takes advantage of the volatile nature of a drug in its base form
Drugs in the basic (ionic) state tend to be __________ in water while their salt forms tend to be __________ in water.
- insoluble
- soluble
True or False

Sugars are typically soluble in organic solvents.

True
True or False

Tablet binders are typically insoluble in organic sovents.

True
True or False

When determining solubility based on polarity, the general rule that can be applied is "like dissolves like".

True
True or False

Liquid-liquid extractions are the simplest type of extractions.

False

Dry extractions
What is a solute?

The compound that is dissolved in a liquid solvent
True or False

Cocaine base is soluble in petroleum ether, and cocaine HCl is soluble in chloroform.

True

Author

abbyljones9

135237

Card Set

Extractions

Description

Test #2

Updated

2012-02-27T01:44:40Z

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