Journal of Analytical Methods in Chemistry / 2013 / Article / Tab 6

Research Article

Dual Wavelength RP-HPLC Method for Simultaneous Determination of Two Antispasmodic Drugs: An Application in Pharmaceutical and Human Serum

Table 6

Summary of stability studies.

Test (claimed content)Interval
Initial1 month2 months3 months 4 months5 months6 monthsMeanRSD%

Studies at accelerated (40°C + 75% H)
PG (10 mg/mL)100.3599.9699.4799.2698.9798.4398.1599.040.79
TMP (0.01 mg/mL)99.8598.9898.4198.1397.9797.8697.5398.150.80

Stability studies at long term (30°C + 65% H)
PG (10 mg/mL)100.35100.13100.38100.199.8599.2399.4799.870.44
TMP (0.01 mg/mL)99.8599.6299.3998.9398.9198.3798.1298.890.64

All results are expressed in percentage values.

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