1. Chemistry Department, Faculty of Science King Khalid University P.O. Box 9004 Abha Saudi Arabia
2. Chemistry Department, Faculty of Science King Abdulaziz University P.O. Box 80203 Jeddah Saudi Arabia
3. Dyeing, Printing and Textile Auxiliaries Department, Textile Research Division National Research Centre Dokki Cairo Egypt
4. Chemistry Department, Faculty of Science Umm Al‐Qura University Makkah Saudi Arabia