Parası kalmadığı için otobüse binemiyordur ailesi porno izle ona daha yeni para gönderdiği için tekrar porno istemeye utanınca mecburen otostop çekmek için youporn çantasını alarak yol kenarına gelir etekli porno liseli türk kız yol kenarında dururken yanına yaklaşan porno kibar bir gencin onu gideceği yere kadar bırakmak porno izle istemesine çok mutlu olur arabaya bindiklerinde gideceği yer ile porno arabayı kullanan adamın gittiği yer arasında çok mesafe sex izle farkı olduğunu anlayan türk kız bu yaptığı porno indir iyilik karşısında arabada ona memelerini açar porno sapıklaşan adam yol kenarındaki hotelde durarak porno izle üniversiteli otostop çeken türk kızına odada sakso çektirip sikerRemoval of Toxic Ions Pb (II) and Cd (II) using Shankanay Natural Zeolite in Phosphoric Acid| Abstract

44 7460 854 031

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Abstract

Removal of Toxic Ions Pb (II) and Cd (II) using Shankanay Natural Zeolite in Phosphoric Acid

Author(s): M. Zh. Kussainova, R. M. Chernyakova and U. Zh. Jussipbekov

In concentrated phosphoric acid (85% H3PO4) sorption capacity of the zeolite with respect to cadmium is in direct proportion to the process duration and increases throughout the studied time interval. After 60 mins, degree of cadmium sorption reaches 90.76%. With respect to lead, zeolite exhibits the highest sorption capacity at 40 mins, and over that time, lead sorption is reduced. However, most of the concentrated phosphoric acid, as in the previous experiment, the lead is absorbed in cations. So, even if the optimal time for of adsorbed cation sorption, cadmium is 90.8%, and lead-91.84%.

Physico-chemical methods of analysis (IR, electron-microscopic, X-ray) have shown that in leadcontaining phosphoric acid natural zeolite is activated without destroying the structure and absorbs lead, as well as in conjunction with the cadmium cations.


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