Paper Chromatography of Colored Inks

Use Lab Experiments pack or Download Lab Procedure and Download Lab Report

Read the Lab Procedure, review background video (below), and answer prelab questions before lab

Complete prelab assignment

Learning Objectives

Use paper chromatography to identify whether certain colored inks are pure substances or mixtures
Obtain a paper chromatogram
Make accurate measurements using a metric ruler
Identify components of inks by calculating R_f values

Background

These slides introduce the background of mixtures and separation of mixtures by paper chromatography, and also illustrate the steps you'll use in the experiment: Chromatography Lab

Measuring D value, F value and calculating Rf value

Lab Report

During lab, complete experiments and answer questions to complete lab report

Submit lab report