Unanswered questions

HNCO projection of the 1H-15N plane

1 0 2k
answers votes views
Dear all, If I make the projection of the 1H -15N plane from the HNCO and compare it to the HSQC of the same sample, the...
Posted: Angus 1 / Updated: Kirk Marat 711 Sep 06 '16 at 11:30

Relaxation rate of bulk (pure) water at high frequencies

1 0 3k
answers votes views
Hi all, Does anyone know if NMR relaxation rates of bulk (pure) water has been measured experimentally at several hundr...
Posted: Gyro 1 / Updated: Jerry Hirschinger 199 Jul 21 '16 at 05:08

When to use 'BLKGRAD' and 'UNBLKGRAD' in a bruker pulse sequence ?

1 0 5k
answers votes views
I'm trying to modify some pulse sequence on bruker 400, and is confused with the use of 'blkgrad' and 'unblkgrad'; and ,...
Posted: Yuan yaping 1 / Updated: Kirk Marat 711 Jun 14 '16 at 11:44

Difference between H 50 W and X 100 W Amplifiers

2 0 3k
answers votes views
We have been trying to get a 2D H-F experiment to work using the X 100 W amplifier on our Bruker NMR, but can't get it t...
Posted: ysuh 1 / Updated: Kirk Marat 711 Jun 14 '16 at 11:55

2rr to ASCII

2 0 3k
answers votes views
Hi All, I was wondering if there is a simple way for converting 2rr to ASCII format (with Origin?). I don't know if my ...
Posted: m 1 / Updated: Kirk Marat 711 Sep 28 '16 at 08:07

method validation in nmr

1 0 2k
answers votes views
please tell me whether there are method validation in nmr ...
Posted: harish ravuri 1 / Updated: Ulrich Haunz 210 May 04 '16 at 01:31

Shimming for liquid stateNMR

1 0 2k
answers votes views
Dear All, What should be the intesnities of spinning sides bands in liquid state NMR?. THank YOu ...
Posted: Mani 1 / Updated: Clemens Anklin 416 Nov 27 '15 at 11:26

Amplitude problems when comparing 'popt' experiments in Bruker (Topspin)

0 0 8k
answers votes views
Hi all, My question is about the Multiple Display (.md) function on TopSpin (Bruker AVIII). I did some 'popt' ( paramete...
Posted: TiagoB1 1 Nov 11 '15 at 03:40

1H 1D NMR data Normalization in Topspin.

1 0 3k
answers votes views
I have performed a series of 1H 1D experiments with different concentration of peptide and accordingly different numbers...
Posted: RBT 1 / Updated: Pete Gierth 401 Nov 23 '15 at 11:14

Measurement of 13C enrichment

1 0 2k
answers votes views
I am wondering, is it possible for me to measure 13C enrichment in my compound by using 1D 13C NMR spectrum? Id ran stan...
Posted: shuhaila 1 / Updated: Clemens Anklin 416 Oct 22 '15 at 14:04
607

questions without an accepted answer

Newest questions are shown first.

Tags

× 75
× 33
× 26
× 25
× 18
× 11
× 5
× 4
× 2
× 2
× 2
× 2
× 1
× 1
× 1
× 1
× 1
× 1
× 1
× 1
× 1
posts per page103050

powered by CNPROG