1. General Courses Unit, Faculty of Sciences and Arts King Khalid University Dhahran Aljanoub Saudi Arabia
2. Department of Pharmaceutical Analytical Chemistry, Faculty of Pharmacy Al‐Azhar University Assiut Branch Assiut 71524 Egypt
3. Department of Analytical Chemistry, Faculty of Pharmacy Deraya University New Minia, 61519 Egypt
4. Department of Analytical Chemistry, Faculty of Pharmacy Minia University Minia 61519 Egypt
5. Department of Pharmaceutical Analytical Chemistry, Faculty of Pharmacy South Valley University Qena, 83523 Egypt
6. Department of Pharmaceutical Sciences, College of Pharmacy Shaqra University Al Dawadmi, 11961 Shaqra Kingdom of Saudi Arabia