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Heinemann Chemistry 2 (4th edition) ISBN 978 1 74081 6564Heinemann Chemistry 2 © Harcourt Education, a division of Pearson Australia Group Pty Ltd 2007.

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Presentation on theme: "Heinemann Chemistry 2 (4th edition) ISBN 978 1 74081 6564Heinemann Chemistry 2 © Harcourt Education, a division of Pearson Australia Group Pty Ltd 2007."— Presentation transcript:

1 Heinemann Chemistry 2 (4th edition) ISBN Heinemann 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.

2 Heinemann Chemistry 2 (4th edition) ISBN Heinemann Chemistry 2 © Harcourt Education, a division of Pearson Australia Group Pty Ltd 2007 Figure 6.3 Calculation of the R f values of components on a chromatogram.

3 Heinemann Chemistry 2 (4th edition) ISBN Heinemann Chemistry 2 © Harcourt Education, a division of Pearson Australia Group Pty Ltd 2007 Figure 6.4 Chromatogram for Question 1.

4 Heinemann Chemistry 2 (4th edition) ISBN Heinemann Chemistry 2 © Harcourt Education, a division of Pearson Australia Group Pty Ltd 2007 Table 6.2 R f values of some plant materials.

5 Heinemann Chemistry 2 (4th edition) ISBN Heinemann Chemistry 2 © Harcourt Education, a division of Pearson Australia Group Pty Ltd 2007 Figure 6.5 Using column chromatography to separate the components in a mixture.

6 Heinemann Chemistry 2 (4th edition) ISBN Heinemann Chemistry 2 © Harcourt Education, a division of Pearson Australia Group Pty Ltd 2007 Figure 6.6 The construction of a high performance liquid chromatograph.

7 Heinemann Chemistry 2 (4th edition) ISBN Heinemann Chemistry 2 © Harcourt Education, a division of Pearson Australia Group Pty Ltd 2007 Figure 6.9 A gas chromatograph.

8 Heinemann Chemistry 2 (4th edition) ISBN Heinemann Chemistry 2 © Harcourt Education, a division of Pearson Australia Group Pty Ltd 2007 Figure 6.10 Section through a GLC column.

9 Heinemann Chemistry 2 (4th edition) ISBN Heinemann Chemistry 2 © Harcourt Education, a division of Pearson Australia Group Pty Ltd 2007 Figure 6.11 Gas chromatogram of a petrol sample.

10 Heinemann Chemistry 2 (4th edition) ISBN Heinemann Chemistry 2 © Harcourt Education, a division of Pearson Australia Group Pty Ltd 2007 Figure 6.12 Chromatogram of a reference sample containing a mixture of butane, 2-methylbutane, hexane, benzene and 2-methylhexane.

11 Heinemann Chemistry 2 (4th edition) ISBN Heinemann Chemistry 2 © Harcourt Education, a division of Pearson Australia Group Pty Ltd 2007 Figure 6.13 Petrol sample spiked with benzene.

12 Heinemann Chemistry 2 (4th edition) ISBN Heinemann 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.

13 Heinemann Chemistry 2 (4th edition) ISBN Heinemann Chemistry 2 © Harcourt Education, a division of Pearson Australia Group Pty Ltd 2007 Figure 6.15 Calibration graph for benzene in petrol.

14 Heinemann Chemistry 2 (4th edition) ISBN Heinemann Chemistry 2 © Harcourt Education, a division of Pearson Australia Group Pty Ltd 2007 Table 6.4 R f values of some amino acids.

15 Heinemann Chemistry 2 (4th edition) ISBN Heinemann Chemistry 2 © Harcourt Education, a division of Pearson Australia Group Pty Ltd 2007 Figure 6.17 Chromatogram using Solvent 1.

16 Heinemann Chemistry 2 (4th edition) ISBN Heinemann Chemistry 2 © Harcourt Education, a division of Pearson Australia Group Pty Ltd 2007 Figure 6.18 Chromatogram using solvent 2.

17 Heinemann Chemistry 2 (4th edition) ISBN Heinemann Chemistry 2 © Harcourt Education, a division of Pearson Australia Group Pty Ltd 2007 Figure 6.19 Solvent fronts: amino acids.

18 Heinemann Chemistry 2 (4th edition) ISBN Heinemann 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.

19 Heinemann Chemistry 2 (4th edition) ISBN Heinemann Chemistry 2 © Harcourt Education, a division of Pearson Australia Group Pty Ltd 2007 Figure 6.21 Chromatogram of four hydrocarbons.

20 Heinemann Chemistry 2 (4th edition) ISBN Heinemann Chemistry 2 © Harcourt Education, a division of Pearson Australia Group Pty Ltd 2007 Figure 6.22 Chromatogram of herbal tea extract.

21 Heinemann Chemistry 2 (4th edition) ISBN Heinemann Chemistry 2 © Harcourt Education, a division of Pearson Australia Group Pty Ltd 2007 Table (Q20) Results for nitroglycerine standards and sample.


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