– peak-to-valley ratio:
minimum 1.2, where Hp = height above the baseline of the peak
due to impurity N and Hv = height above the baseline of the lowest point of the
curve separating this peak from the peak due to impurity D
in the chromatogram obtained with reference solution (e);
minimum 2.0,
where Hp = height above the baseline of the
peak due to impurity J and Hv = height above the baseline
of the lowest point of the curve separating this peak from
the peak due to salbutamol in the chromatogram obtained
with reference solution (c).: