Which Statement Regarding Capillary Electrophoresis Sample Injection Is INCORRECT

question 15

Multiple Choice

Which statement regarding capillary electrophoresis sample injection is INCORRECT?

• A)Hydrodynamic injection uses a pressure differential between the two ends of the capillary to inject a volume of sample onto the capillary.
• B)Electrokinetic injection uses an electric field to inject a volume of sample onto the capillary.
• C)For electrokinetic injection,each analyte has a different  _app,so the composition of the loaded sample is different from the original sample.
• D)For quantitative work,an internal standard is essential because the amount of sample injected is not reproducible between runs.
• E)Stacking concentrates the sample cations and anions in the sample at the interfaces between the sample plug and run buffer.

---

Definitions:

Chart Options Button

A feature in charting software that provides the user with various options to customize the appearance or behavior of a chart.

Format Axis Pane

A feature in charting software where users can adjust the appearance and scaling of a chart's axes.

Chart Sheet

A type of worksheet in Excel dedicated to displaying a chart or graph.

Axis Labels

Text used to describe the scale and significance of data points on a chart's horizontal and vertical axes.