Tagged questions

spin lock 1H spectrum

2 0 375
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Please, if somebody wants to help me?! I need to get 1H spectrum with spin lock pulse on Bruker AV 600 instrument. Which...
Updated: gugica 1 Jan 17 at 05:06

Lock 'lost' on Bruker 400MHz NMR

1 1 1k
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I had just finished refilling the nitrogen and powering up the NMR after the holiday shutdown and went through the norma...
Posted: Norman Chu 11 / Updated: Roja 26 Jan 07 '13 at 16:11

Locking in new solvent

2 0 1k
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Hello, I am trying to determine solution structure of a peptide in 50% trifluoroethanol(TFE) solution. I dissolved my p...
Posted: GlennG 1 / Updated: JohnW 1 Jul 16 '12 at 15:18

Lock Error Bruker Ascend 600

1 0 1k
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Hi there, We had a short power failure yesterday and since my boss is in Ireland and our other so called NMR guru does...
Posted: Patrick Seibert 1 / Updated: Guang 1 Feb 28 '13 at 07:37

Lock at high temperatures

2 1 1k
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I am having trouble locking a sample of a polymer dissolved in OCDB at 135 degree's. Can this high temperature interfer...
Posted: Javaslinger 53 / Updated: Gareth Morris 51 Jul 08 '12 at 03:02

two lines in acetone-d6

2 1 2k
answers votes views
We try to setup a used Bruker Avance 200 system. After frequency search we started to setup lock and shim file. Using D2...
Posted: Thomas Tr 11 / Updated: Evgeny Fadeev 5471 Nov 19 '10 at 12:23

Why are my acetic acid-d4 solvent peaks off from the expected ppm value?

1 1 2k
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Hello there. After running an 1H-NMR experiment I observed the acetic acid-d4 solvent peaks at 11.54 and 21.16 ppm (off...
Posted: BONA 11 / Updated: Evgeny Fadeev 5471 Apr 12 '10 at 15:08
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