Table 2.

Purity Angle, Purity Threshold, %Degradation, Mass Balance, and Purity Flag obtained for each stress conditions

Nature of Stress	Stress Condition	Purity Angle	Purity Threshold	%Degradation	Mass Balance	Purity Flag
Acid	10 mL-5N HCl- for 23 h on bench top	0.146	0.267	0.1117	99.7	No
Base	10 mL-5N NaOH- for 25 h on bench top	0.192	0.320	3.3189	96.2	No
Peroxide	20 mL 30% H2O2-2 hon bench top	0.137	0.319	1.6259	95.8	No
Water	10 mL of water 5 days on bench top	0.144	0.262	Nil	99.7	No
Thermal	At 105 °C for 6 h in an oven	0.145	0.267	1.8186	96.3	No
Photostabilty	200 watt hours/square meter and 1.2 million lux hours	0.143	0.271	0.0528	101.3	No
Humidity	90%RH at 25 °C for 7 days	0.140	0.275	0.1550	100.5	No

RH: Relative Humidity.