Analytical Sciences


Abstract − Analytical Sciences, 17(12), 1461 (2001).

Simultaneous Determination of Phosphate and Silicate by First-Derivative Spectrophotometry
Abdel-Aziz Y. EL-SAYED,*  Yehia Z. HUSSEIN,** and Montaser A. MOHAMMED**
*Department of Chemistry, Faculty of Science, Al-Azhar University, Assiut, Egypt
**Department of Chemistry, Faculty of Science, Al-Azhar University, Cairo, Egypt