Hi Andre,
Mike is absolutely right– "cf" and "expinstall" are crucial operations
after such changes.
I would also recommend checking if p90 for 2H is defined in “edprosol”
for your probe; the typical value is 100- 150 us _at_ 3 W.
Indeed, it is good to calibrate this value in the zg experiment; you may need to
use zg2h PP to make the correct routing for the 2H-TX amplifier. That will also
check if the amplifier in the 2H-TX board is functioning properly – it
frequently misbehaves (producing too low output power) and may also have a
floating fault (a fault in the output stage/bias).
Topshim 3D,1D for sucrose sample works just because only 1H channel is involved
for 90%H2O solvent
Regards,
P&L Scientific AB
Repair/customization of NMR probes and spectrometers
Electrophoretic NMR and custom NMR solution for electrochemistry
+46 736 220 672
Applied Physical Chemistry,KTH
Teknikringen 36,
100 44 Stockholm
Sweden
pavel_at_plscientific.se ( pavel_at_plscientific.se )
http://www.plscientific.se
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Received on Tue Jul 15 2025 - 12:54:51 MST