Experiment : Spectrometric Determination of Pindolol
Stock: Conc. 0.005 gm %
λ max: 257 nm
1- In a series of 100 ml measuring flask, Prepare a
serial dilution of 5, 10, 15, 20, 25 mls of the stock. Complete to
the mark with distilled water, Shake well.
2- Using the appropriate blank, measure the absorbance of
the above prepared solution and unknown at the given λ max ( 257 nm ).
3- Plot the calibration curve ( conc. in gm % ).
Results to submit:
1- The unknown conc. in gm %.
2- The absorptivity and molar absorptivity.