Which Is NOT a Sample Preparation Technique for Use with Gas

question 19

Multiple Choice

Which is NOT a sample preparation technique for use with gas chromatography?

• A)purge and trap
• B)solid-phase microextraction
• C)thermal desorption
• D)stir-bar sorptive extraction
• E)matrix matching

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Definitions:

Factors Of Production

Inputs into the production process (e.g., labor, capital, and materials).

Profit

The financial gain made in a transaction or operation, calculated as the difference between the revenue earned and the costs incurred.

Short Run

A time period in economic analysis during which at least one factor of production is fixed, influencing the firm's decisions on output and pricing.

Profit

The financial gain realized when the revenue generated from a business activity exceeds the expenses, costs, and taxes needed to sustain the activity.