EBK EXPERIMENTAL ORGANIC CHEMISTRY: A M
EBK EXPERIMENTAL ORGANIC CHEMISTRY: A M
6th Edition
ISBN: 9781305687875
Author: Gilbert
Publisher: CENGAGE LEARNING - CONSIGNMENT
Question
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Chapter 6.2, Problem 8E

(a)

Interpretation Introduction

Interpretation:

The Rf values of acetaminophen and caffeine should be determined.

Concept Introduction :

In chromatography, Rf value is the ratio between distance travelled by the component and distance travelled by the solvent front.

  Rf value = Distance travelled by the componentDistance travelled by the solvent front

(b)

Interpretation Introduction

Interpretation:

The ingredients in a tablet of Midol should be determined based on the TLC analysis.

Concept Introduction :

Thin layer chromatography is a separation technique used for non-volatile substances. Depending on the affinity of the component of the mixture to the stationary phase and mobile phase, distance travelled by each component on the TLC plate differ.

(c)

Interpretation Introduction

Interpretation:

The mobile phase and stationary phase in the TLC experiment should be determined.

Concept Introduction :

All chromatography techniques have a stationary phase and a mobile phase. Stationary phase is a solid, or a liquid supported on a solid. Stationary phase is not migrating. The mobile phase flows through the stationary phase and carries components along with it.

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