To Maximize Solid-Phase Microextraction Analyte Recovery,keep All of the Following

question 2

Multiple Choice

To maximize solid-phase microextraction analyte recovery,keep all of the following in mind,except:

• A)"like dissolves like" in selecting fiber.
• B)agitate or stir the sample.
• C)select thick or porous film for volatiles.
• D)add 25% NaCl and adjust pH,reducing pH for acids and increasing pH for bases.
• E)purchase solid-phase microextractors from reputable suppliers.

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Definitions:

Current Assets

Assets that a company expects to convert into cash, sell, or consume within one year or its operating cycle, whichever is longer.

Price-Earnings Ratio

A valuation ratio of a company's current share price compared to its per-share earnings, used to evaluate the relative value of company shares.

Market Price

The current price at which an asset or service can be bought or sold.

Net Income

The sum a company retains as earnings after deducting taxes and expenses from its total revenue.