SeparationPreconcentration and Speciation Analysis of Trace Amounts of Arsenate and Arsenite in Water Samples Using Modified Magnetite Nanoparticles and Molybdenum Blue Method
المؤلفون المشاركون
Mohammadi, S. Z.
Hatefi-Mehrjardi, Abdolhamid
Yarahmadi, Javad
Khayrkhah, Azadeh
Mohadesi, Alireza
Karimi, M. A.
المصدر
العدد
المجلد 2014، العدد 2014 (31 ديسمبر/كانون الأول 2014)، ص ص. 1-9، 9ص.
الناشر
Hindawi Publishing Corporation
تاريخ النشر
2013-12-26
دولة النشر
مصر
عدد الصفحات
9
التخصصات الرئيسية
الملخص EN
A new, simple, and fast method for the separation/preconcentration and speciation analysis of arsenate and arsenite ions using cetyltrimethyl ammonium bromide immobilized on alumina-coated magnetite nanoparticles (CTAB@ACMNPs) followed by molybdenum blue method is proposed.
The method is based on the adsorption of arsenate on CTAB@ACMNPs.
Total arsenic in different samples was determined as As(V) after oxidation of As(III) to As(V) using potassium permanganate.
The arsenic concentration has been determined by UV-Visible spectrometric technique based on molybdenum blue method and amount of As(III) was calculated by subtracting the concentration of As(V) from total arsenic concentration.
MNPs and ACMNPs were characterized by VSM, XRD, SEM, and FT-IR spectroscopy.
Under the optimal experimental conditions, the preconcentration factor, detection limit, linear range, and relative standard deviation (RSD) of arsenate were 175 (for 350 mL of sample solution), 0.028 μ g mL−1, 0.090–4.0 μ g mL−1, and 2.8% (for 2.0 μ g mL−1, n = 7 ), respectively.
This method avoided the time-consuming column-passing process of loading large volume samples in traditional SPE through the rapid isolation of CTAB@ACMNPs with an adscititious magnet.
The proposed method was successfully applied to the determination and speciation of arsenic in different water samples and suitable recoveries were obtained.
نمط استشهاد جمعية علماء النفس الأمريكية (APA)
Karimi, M. A.& Mohadesi, Alireza& Hatefi-Mehrjardi, Abdolhamid& Mohammadi, S. Z.& Yarahmadi, Javad& Khayrkhah, Azadeh. 2013. SeparationPreconcentration and Speciation Analysis of Trace Amounts of Arsenate and Arsenite in Water Samples Using Modified Magnetite Nanoparticles and Molybdenum Blue Method. Journal of Chemistry،Vol. 2014, no. 2014, pp.1-9.
https://search.emarefa.net/detail/BIM-1039924
نمط استشهاد الجمعية الأمريكية للغات الحديثة (MLA)
Karimi, M. A.…[et al.]. SeparationPreconcentration and Speciation Analysis of Trace Amounts of Arsenate and Arsenite in Water Samples Using Modified Magnetite Nanoparticles and Molybdenum Blue Method. Journal of Chemistry No. 2014 (2014), pp.1-9.
https://search.emarefa.net/detail/BIM-1039924
نمط استشهاد الجمعية الطبية الأمريكية (AMA)
Karimi, M. A.& Mohadesi, Alireza& Hatefi-Mehrjardi, Abdolhamid& Mohammadi, S. Z.& Yarahmadi, Javad& Khayrkhah, Azadeh. SeparationPreconcentration and Speciation Analysis of Trace Amounts of Arsenate and Arsenite in Water Samples Using Modified Magnetite Nanoparticles and Molybdenum Blue Method. Journal of Chemistry. 2013. Vol. 2014, no. 2014, pp.1-9.
https://search.emarefa.net/detail/BIM-1039924
نوع البيانات
مقالات
لغة النص
الإنجليزية
الملاحظات
Includes bibliographical references
رقم السجل
BIM-1039924
قاعدة معامل التأثير والاستشهادات المرجعية العربي "ارسيف Arcif"
أضخم قاعدة بيانات عربية للاستشهادات المرجعية للمجلات العلمية المحكمة الصادرة في العالم العربي
تقوم هذه الخدمة بالتحقق من التشابه أو الانتحال في الأبحاث والمقالات العلمية والأطروحات الجامعية والكتب والأبحاث باللغة العربية، وتحديد درجة التشابه أو أصالة الأعمال البحثية وحماية ملكيتها الفكرية. تعرف اكثر