Standard sensitivity test sample: 0.1% Ethylbenzene in Cloroform-d.

Record a conventional H spectrum.

The calibration of the 1H sensitivity is performed using the a standard ¹H parameter set that can be loaded by typing rpar PROSENS all(the pulse program is set to pulprog zg).

The test is usually performed using a sample spinning rate of 20 Hz.

The basic parameter are set to:

d1=60
o1p=4
sw=10.098
td=32k
aq=3.24
ns=1

The signal to noise ratio (S/N) is determined on the intensity of quartet lines in the spectrum of the Ethylbenzene according to the equation:
  S/N=2.5*(height of quartet)/(peak to peak amplitude of noise)

Automated S/N calculation is performed using sinocal.

Good sensitivity can be obtained with good resolution and good lineshape only. The splitting between the two central lines of the methylene quartet shoulg go lower than 15% (using a lb of 1 Hz). See spectrum