دراسة الخصائص البصرية للبولي مثيل ميثاكريلات المشوبة بكرومات الحديد

In this rcsearch we study the effect of(Fe2C03)Salt On theoptical properties of poly metllyl methacrylat(PMMA)that addto this polymer with percentages 40/0, and the redial of thegranule of dopants was 18 μl■. ThiS Study has been done byrecording thc Absorption and Transllnissioi spectra in thewavelengh range(190-H00)nm.