Reham Afifi Mohamed Rezk <br/><br/>
Follow up of the presence of some elements during the crystallization stage of commercial NaCI adopting LIBS technique /  
 متابعة بعض العناصر اثناء مراحل بلورة كلوريد الصوديوم التجارى باستخدام تقنية الانهيار المستحث بالليزر 
Reham Afifi Mohamed Rezk ; Supervised Mohamed Abdelharith Mohamed , Alsayed Abdelmajid Alsherbini , Magdy Mahmoud Khalil 
 - Cairo :   Reham Afifi Mohamed Rezk ,   2007 
 - 141Leaves :   charts , facsimiles ;   30cm 
<br/><br/>Thesis (M.Sc.) - Cairo University - National Institute Of Laser Enhanced - Department Of Environmental Photochemistry , Photobiology and Agricultural 
<br/><br/> LIBS elemental analysis spectroscopic technique is adopted for qualitative evaluation of three elements , Ca , Na and Mg , The results of the study indicated that the economic limits of precipitation of NaCl salt from sea water ranges between 25.5 and 30 Be with a limited contamination of Ca and Mg salts that not exceedind 0.8per'cent 
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<br/><br/><label>Subjects--Index Terms: </label>LIBS Mg Nacl