With a Hyphenated Instrument Such as GC-MS, the GC Serves

question 2

Multiple Choice

With a hyphenated instrument such as GC-MS, the GC serves to

• A) detect the compounds electronically
• B) pre-separate analytes so that they enter the detector one at a time
• C) ensure that the carrier gas is pure when entering the MS
• D) ionize the analytes for characterization by MS
• E) none of the above

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Definitions:

Contribution Margin

The amount by which sales revenue exceeds variable costs of production, indicating how much contributes to covering fixed costs and generating profit.

EBIT

A financial indicator, Earnings Before Interest and Taxes, reflects a company's earnings by removing the effects of interest and tax expenses.

Fixed Costs

Costs that do not change with the level of output or sales in the short term.

EPS

Earnings Per Share, a measure of a company's profitability, calculated as net income divided by the number of outstanding shares.