( r& H/ a# o& _8 r% }' E [& ^6 O1 l
5 e8 k$ I' L( H, g8 x
Tune the probe for proton NMR
$ J2 b; z0 L7 }6 q6 E, W& b
Run H-standard spectra in Exp1
( H% K1 s5 x5 H8 x
create second data set (EXP2), In “eda” select ns=1pulprog=zg : Acquire and process the data (zg, efp) (this represent 90` pulse)
3 n. u, G6 }% G1 l
Localize a peak in the center of the window, define it (DP1) in ased, try doubling pulse (p1) and acquire the data : zg efp. if the signal is null: this is 180` pulse if not try slightly different p1 pulse until null is found