Parameter Value
Mass distribution ratio for atenolol (Dm1) 0.65
Mass distribution ratio for pindolol [I.S.] (Dm2) 1.91
Relative retention time (Rr) 1.76
Number of theoretical plates for atenolol (N1) 2319
Number of theoretical plates for pindolol [I.S.] (N2) 3669
Resolution(R) 7.63
Tailing factors for atenolol (T1) 1.06
Tailing factors for pindolol [I.S.] (T2) 1.13
Table 6: Typical chromatographic parameters for the HPLC determination of atenolol.