Heinemann Chemistry 2 (4th edition)
ISBN 978 1 74081 6564Heinemann Chemistry 2 © Harcourt Education, a division of Pearson Australia Group Pty Ltd 2007
Figure 6.2 Thin-layer chromatography of three different food colours (A, B and C). A number of chemicals once used as food colours are now regarded as hazardous and can be detected by this method.
Heinemann Chemistry 2 (4th edition)
ISBN 978 1 74081 6564Heinemann Chemistry 2 © Harcourt Education, a division of Pearson Australia Group Pty Ltd 2007
Figure 6.3 Calculation of the Rf
values of components on a chromatogram.
Heinemann Chemistry 2 (4th edition)
ISBN 978 1 74081 6564Heinemann Chemistry 2 © Harcourt Education, a division of Pearson Australia Group Pty Ltd 2007
Figure 6.4 Chromatogram for Question 1.
Heinemann Chemistry 2 (4th edition)
ISBN 978 1 74081 6564Heinemann Chemistry 2 © Harcourt Education, a division of Pearson Australia Group Pty Ltd 2007
Table 6.2 Rf values of some plant materials.
Heinemann Chemistry 2 (4th edition)
ISBN 978 1 74081 6564Heinemann Chemistry 2 © Harcourt Education, a division of Pearson Australia Group Pty Ltd 2007
Figure 6.5 Using column chromatography to separatethe components in a mixture.
Heinemann Chemistry 2 (4th edition)
ISBN 978 1 74081 6564Heinemann Chemistry 2 © Harcourt Education, a division of Pearson Australia Group Pty Ltd 2007
Figure 6.6The constructionof a high performance liquid chromatograph.
Heinemann Chemistry 2 (4th edition)
ISBN 978 1 74081 6564Heinemann Chemistry 2 © Harcourt Education, a division of Pearson Australia Group Pty Ltd 2007
Figure 6.9 A gas chromatograph.
Heinemann Chemistry 2 (4th edition)
ISBN 978 1 74081 6564Heinemann Chemistry 2 © Harcourt Education, a division of Pearson Australia Group Pty Ltd 2007
Figure 6.10 Section through a GLC column.
Heinemann Chemistry 2 (4th edition)
ISBN 978 1 74081 6564Heinemann Chemistry 2 © Harcourt Education, a division of Pearson Australia Group Pty Ltd 2007
Figure 6.11 Gas chromatogram of a petrol sample.
Heinemann Chemistry 2 (4th edition)
ISBN 978 1 74081 6564Heinemann Chemistry 2 © Harcourt Education, a division of Pearson Australia Group Pty Ltd 2007
Figure 6.12 Chromatogram of a reference sample containing a mixtureof butane, 2-methylbutane, hexane, benzene and 2-methylhexane.
Heinemann Chemistry 2 (4th edition)
ISBN 978 1 74081 6564Heinemann Chemistry 2 © Harcourt Education, a division of Pearson Australia Group Pty Ltd 2007
Figure 6.13 Petrol sample spiked with benzene.
Heinemann Chemistry 2 (4th edition)
ISBN 978 1 74081 6564Heinemann Chemistry 2 © Harcourt Education, a division of Pearson Australia Group Pty Ltd 2007
Figure 6.14 Chromatogram of standard samples of benzene and an unknown sample.
Heinemann Chemistry 2 (4th edition)
ISBN 978 1 74081 6564Heinemann Chemistry 2 © Harcourt Education, a division of Pearson Australia Group Pty Ltd 2007
Figure 6.15 Calibration graph for benzene in petrol.
Heinemann Chemistry 2 (4th edition)
ISBN 978 1 74081 6564Heinemann Chemistry 2 © Harcourt Education, a division of Pearson Australia Group Pty Ltd 2007
Table 6.4 Rf values
of some amino acids.
Heinemann Chemistry 2 (4th edition)
ISBN 978 1 74081 6564Heinemann Chemistry 2 © Harcourt Education, a division of Pearson Australia Group Pty Ltd 2007
Figure 6.17 Chromatogram using Solvent 1.
Heinemann Chemistry 2 (4th edition)
ISBN 978 1 74081 6564Heinemann Chemistry 2 © Harcourt Education, a division of Pearson Australia Group Pty Ltd 2007
Figure 6.18 Chromatogram using solvent 2.
Heinemann Chemistry 2 (4th edition)
ISBN 978 1 74081 6564Heinemann Chemistry 2 © Harcourt Education, a division of Pearson Australia Group Pty Ltd 2007
Figure 6.19 Solvent fronts: amino acids.
Heinemann Chemistry 2 (4th edition)
ISBN 978 1 74081 6564Heinemann Chemistry 2 © Harcourt Education, a division of Pearson Australia Group Pty Ltd 2007
Figure 6.20 Chromatograms produced for suspected contaminated water sample and parathion standards.
Heinemann Chemistry 2 (4th edition)
ISBN 978 1 74081 6564Heinemann Chemistry 2 © Harcourt Education, a division of Pearson Australia Group Pty Ltd 2007
Figure 6.21 Chromatogram of four hydrocarbons.
Heinemann Chemistry 2 (4th edition)
ISBN 978 1 74081 6564Heinemann Chemistry 2 © Harcourt Education, a division of Pearson Australia Group Pty Ltd 2007
Figure 6.22 Chromatogram of herbal tea extract.