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posted Mar 30 '15 at 22:03

Umayal%20Rakesh's gravatar image

Umayal Rakesh
1

Distorted/antiphase signals when doing Dosy

Hello,

I am running Dosy experiment using ledbpgp2s sequence. I am getting sort of signal distortions. I tried the solutions you have mentioned in your discussions. I couldn't execute the loopadj as it always says lock gain is too high. I try to change the lock gain manually but still it couldn't keep that value. Finally, i performed Dosy with out lock on. I did lock off,locnuc off and l12 = 0 and run the experiment again but the problem still persists. I tried with other wide bore spectrometer and I don't get the distortion. The problem remains only in the Cryoprobe standard bore spectrometer with icon nmr. I am not sure what to try out more ! Please input your thoughts.

Regards Uma

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posted Mar 30 '15 at 22:04

Umayal%20Rakesh's gravatar image

Umayal Rakesh
1

Distorted/antiphase signals when doing Dosy

Hello,

I am running Dosy experiment using ledbpgp2s sequence. I am getting sort of signal distortions. I tried the solutions you have mentioned in your discussions. I couldn't execute the loopadj as it always says lock gain is too high. I try to change the lock gain manually but still it couldn't keep that value. Finally, i performed Dosy with out lock on. I did lock off,locnuc off and l12 = 0 and run the experiment again but the problem still persists. I tried with other wide bore spectrometer and I don't get the distortion. The problem remains only in the Cryoprobe standard bore spectrometer with icon nmr. I am not sure what to try out more ! Please input your thoughts.

Regards Uma

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