Validation and Uncertainty Estimation of an Ecofriendly and Stability-Indicating HPLC Method for Determination of Diltiazem in Pharmaceutical Preparations
Figure 4
Typical spectrums of (a) diltiazem working standard solution and after degradation under (b) heat condition; (c) acidic hydrolysis; (d) basic hydrolysis; (e) oxidative condition; (f) photolytic condition.