Which of the Following Is NOT True for HPLC Sample

question 7

Multiple Choice

Which of the following is NOT true for HPLC sample injection.

• A)Reproducibly load injector loop with < 0.5 or > 3 loop volumes depending on injection technique.
• B)The injection loops must be removed and cleaned after each injection.
• C)Sample solvent strength should be less than or equal to eluent solvent strength.
• D)Pass samples through a 0.5-  m filter to remove particulate matter prior to injection.
• E)Use a blunt HPLC syringe needle,not pointed,to prevent damage to the injection port.

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Definitions:

GAAP

Generally Accepted Accounting Principles, a collection of commonly followed accounting rules and standards for financial reporting.

Accounting and Financial Reporting

The process of recording, summarizing, and reporting the financial transactions of a business to provide an accurate picture of its financial position and performance.

Liability

Anything owed to creditors—the claims of a company’s creditors.

Creditors

Individuals or institutions to whom money is owed by a debtor or borrower.