Division 4.10 Eluant: orthophosphoric acid (4.7) /potassium dihydrogenorthophosphate (4.8) /tetramethylammonium bromide (4.9)/water/acetonitrile (4.1) 10/50/100/340/90 (v/v/v/v/v).
United Kingdom
The composition of this mobile phase may be changed in order to achieve a resolution factor R ≥ 1,5.
where
R1 and R2 W1 and W2 d'
retention times, in minutes, of the peaks,
peak widths at half height, in millimetres,
the chart speed, in millimetres per minute.