What Component of an HPLC Introduces an Aliquot of Sample

question 7

Multiple Choice

What component of an HPLC introduces an aliquot of sample into the column and how is this introduction accomplished with the high pressure in the flow path?

• A) A syringe is used with a flexible tip placed into the flow path.
• B) A flame ionizes the sample and sprays it into the column.
• C) A flexible septum is coated with sample and placed in the column.
• D) A fixed-loop injector with a switching valve moves the sample into the flow path.

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Cause of Action

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