Calculate the Rf value for each spot present in each lane? Show sample calculation. 2. How many compound(s) is/are present in Sample # 121? 3. Would you be able to identity the compound(s) present in Sample # 121? If yes, explain.

Calculate the Rf value for each spot present in each lane? Show sample calculation. 2. How many compound(s) is/are present in Sample # 121? 3. Would you be able to identity the compound(s) present in Sample # 121? If yes, explain.

EBK A SMALL SCALE APPROACH TO ORGANIC L

4th Edition

ISBN:9781305446021

Author:Lampman

Publisher:Lampman

Chapter11: Isolation Of Caffeine From Tea Le

Section: Chapter Questions

Problem 1Q

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Concept explainers

Mass Spectrometry

This process is an instrumental method in which a sample is changed to fast moving positive ions by electron bombardment. The charged particles vary due to their different mass to charge ratio and are estimated with the help of this difference. It is also called mass spectroscopy.

Question

1. Calculate the Rf value for each spot present in each lane? Show sample calculation. 2. How many compound(s) is/are present in Sample # 121? 3. Would you be able to identity the compound(s) present in Sample # 121? If yes, explain. 4. What are your conclusions based on the calculated Rf values?

TLC Analysis of Sample # 121
Developing Solvent - 10:1 Hexanes-Ethyl acetate
Solvent front
Origin
:
SAB
S - Sample #121
A - Standard 4-Nitroaniline
B - Standard 2-Nitroaniline

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