An Analyst Sets Up an SPE Separation Using a Solid

question 16

Multiple Choice

An analyst sets up an SPE separation using a solid phase containing a polar functional group. After conditioning and rinsing steps, the elution solvent they use is hexane. This is an example of

• A) normal phase (NP)
• B) reversed phase (RP)
• C) cation exchange (AX)
• D) anion exchange (CX)
• E) none of the above

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Definitions:

Anorexia

An eating disorder characterized by an abnormally low body weight, an intense fear of gaining weight, and a distorted perception of body weight or shape.

Lifestyle

The interests, opinions, behaviors, and behavioral orientations of an individual, group, or culture.

Lateral Hypothalamus

A region of the brain that plays a crucial role in controlling hunger, thirst, and other motivated behaviors.

Hunger

The physiological sensation or condition that signals the body's need for food intake.