¹³C Spectrum with Proton Decoupling
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• In the list, select Eject sample manually (ej). The sample lift is turned on.
Wait until the sample lift air is turned on and remove any sample which may have been in the
magnet.
• Place the sample plus the spinner on top of the magnet bore.
• On the Sample button, click the drop-down arrow to see more options.
• In the list, select Insert sample manually (ij).
Wait until the sample is lowered down into the probe and the lift air is turned off. A clicking
sound may be heard.
• On the Workflow button bar, click Lock.
• In the Solvents table list, select DMSO and click OK.
• On the Workflow button bar, click Tune.
This performs an atma (automatic tuning and matching) and requires a probe equipped with
an automatic tuning and matching module. The tuning always starts with the lowest
frequency, in this case carbon, and then switches over to tune the higher frequencies, in this
case proton. On the Tune button, click the drop-down arrow to see more options.
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