Some Analytes Must Be Derivatized to Increase Their Column Retention

question 17

Multiple Choice

Some analytes must be derivatized to increase their column retention or detectability.Derivatization means:

• A) altering the chemical structure of the analyte to an isomeric form to increase detection and specificity.
• B) adding fluorescent labels or combining the analyte with chiral reagents or other chemicals to increase detectability.
• C) removing dissolved gases in the solvent to produce a clear chromatogram.
• D) using multiple detectors to assist in identification.

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Definitions:

Interest Receivable

The revenue from interest that has been earned but not yet received, recorded as an asset on the balance sheet.

Discounts Own Note

A transaction where a business discounts or reduces the value of its own promissory note, often to raise short-term capital.

Notes Payable

Written promises to pay a specified sum of money, typically to a lender, by a certain date.

Financial Statement

A formal record of the financial activities and position of a business, person, or other entity, typically including the balance sheet, income statement, and cash flow statement.