Stress conditions AMOX
% Assay of active substance
Rf values of degraded Stress conditions AMBRO
% Assay of active substance
Rf values of degraded products
Acid hydrolysis (0.02N HCl 15 mnts stirring) 86.31 0.17 Acid hydrolysis
(0.1N HCl,
2 hrs reflux at 800)
93.52 0.74
Base hydrolysis (0.1N NaOH  6 hrs at RT) 91.01 0.28         Base hydrolysis (0.1N NaOH, 2 hrs reflux at 800 ) 89.33 0.72,0.83
Oxidation (3% H2O2, 6 hrs at RT) 80.25 0.42 Oxidation (3% H2O2, 2 hrs reflux at 800 ) 83.21 0.77,0.81
Exposed to Sunlight (2 hrs) 84.21 0.46,0.52 Exposed to Sunlight (12 hrs) 81.46                0.79,0.81
Table 3: Results of forced degradation studies.