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Register a new userStructural effect of organophosphorus compounds containing P-NH-P backbone on the Extraction of cadmium (II)
التأثير البنيوي لمركبات عضوية فوسفورية تحتوي الجسر P-NH-P على استخلاص الكادميوم (II)
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Tishreen University ورقة بحثية
Publication date
2017
fields
Chemistry
and research's language is
العربية
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Shamra Editor
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تم تحضير ثلاثة مركبات عضوية فوسفورية تحتوي الجسر مع متبادلات الفينيل (Ph) و الفينوكسيد (PhO) متماثلة و غير متماثلة، و ذلك لاستخدامها كمواد مستخلصة لأيون الكادميوم وفقاً لطريقة الاستخلاص (السائل – السائل) التي تطبق على نطاق واسع في عمليات استعادة أيونات المعادن بدءاً من المحاليل المائية في عمليات التعدين إلى تطبيقاتها البيئية، و حُددت بعضاً من خواصها الفيزيائية (درجة الانصهار طيوف UV، طيوف IR). اعتُمدت الطريقة الفوتومترية لتحديد تراكيز أيونات الكادميوم في الوسط المائي، حيث استُخدم محلول 2-نتروزو،1-نفتول لتحديد التراكيز و حُسبت قيم تراكيزه في الطور العضوي اعتماداً على الفرق بين التراكيز البدائية المحضرة له في الوسط المائي و التراكيز النهائية له في الطور المائي بعد عملية الاستخلاص. دُرس معامل توزع أيون الكادميوم DCd بين وسط مائي من محلول حمض الكبريت و وسط عضوي يحتوي على تراكيز مختلفة من المركبات العضوية الفوسفورية المحضرة سابقاً، كما دُرس معامل توزع أيون الكادميوم بدلالة تغير قيم الـpH عند تركيزٍ ثابتٍ من المستخلص المستخدم المذكور سابقاً و سجلت معلومات التوزع رقمياً و بيانياً.
Three organic phosphorous compounds containing bridge with (PhO) phenoxide and (Ph) phenyl group, to be used as materials derived element cadmium ion according to the (liquid - liquid) extraction method that apply to widely used in the restoration of metal ions operations starting from aqueous solutions in mining operations to environmental applications, and identified some of the physical properties (melting point, spectra UV, IR). Photometric method was adopted to determine the concentrations, as it used the solution of 2-Nitroso, 1- Naphthol to determine the concentrations of cadmium ion in the aqueous phase after extraction and its concentrations in the organic phase based on the difference between the concentrations of primitive prepared aqueous solution and the final concentrations in the aqueous phase. Distribution Ratio DCd was studied of the ion cadmium between the aqueous medium of the acid solution of Sulfuric and central Organic Dilutions containing different concentrations of the previous prepared organophosphorus compounds also was studied the Distribution Ratio DCd of ion cadmium depending of changing of pH-values in aqueous medium and central organic Includes fixed concentration from the previous prepared organophosphorus compounds and registered the distribution of information focus numerically and graphically.
References used
LIDE, DAVID R. CRC Handbook of Chemistry and Physics. CRC Press: Boca Raton, 2002, p 4:132
SCOULLOS, MICHAEL J.;VONKEMAN, GERRIT H.; THORNTON, IAIN; MAKUCH, ZEN. Mercury,Cadmium,Lead: Handbook for Sustainable Heavy Metals Policy and Regulation.Springer.2001
DOMI´BGUEZ, M`, ANTICO, E, BEYER, L. Liquid_liquid extraction of palladium (II) and gold (III) with Nbenzoyl-N`, N`-diethylthiourea and the synthesis of a palladium benzoyl thiourea complex. Polyhedron, Spain. 21, 2002, 1429-1437
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