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Use of Raman spectroscopy as a tool for in situ monitoring of microwave-promoted reactions

Nicholas E Leadbeater & Jason R Schmink

Nature Protocols 3, 1 - 7 (2008) Published online: 20 December 2007

doi:10.1038/nprot.2007.453

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Figure 1

Apparatus for the monitoring of reactions under microwave irradiation using in situ Raman spectroscopy.

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Figure 2

Raman module.

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Figure 3

Fundamentals of Raman spectroscopy.

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Figure 4

Reaction chosen for illustration of the in situ monitoring technique.

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Figure 5

Composite temperature, pressure and microwave power profiles for the reaction.

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Figure 6

Screenshots of the real time Raman monitoring.

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Figure 7

First 24 Raman scans recorded during the course of the reaction.

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Figure 8

Intensity of the signal at 1,643 cm-1 is plotted as a function of time.

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Figure 9

Interfacing the Raman and microwave modules.

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Figure 10

Setting up the EZ Raman software.

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Figure 11

Setting up the Synergy software.

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Figure 12

Time trend function within the EZ Raman software.

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Table 1

Troubleshooting table.

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