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American Journal of Applied Chemistry

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Volume 1, Issue 2, June 2013

  • Levels of Selected Heavy Metals in Wheat Flour on the Ghanaian Market: A Determination by Atomic Absorption Spectrometry

    E. D. Doe, A. K. Awua, O. K. Gyamfi, N. O. Bentil

    Issue: Volume 1, Issue 2, June 2013
    Pages: 17-21
    Received: 9 May 2013
    Accepted:
    Published: 10 June 2013
    DOI: 10.11648/j.ajac.20130102.11
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    Abstract: Wheat flour is an important source of nutrient and as such is widely consumed in most part of the world, as bread and other pastries. Due to its high consumption, the presence of heavy metal at high concentration would be a significant health risk. Based on the soil in which the wheat was grown and the milling technology employed in making the flou... Show More
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  • Central Composite Experimental Design Applied to the Catalytic Carbon-Sulfur Bond Formation by Fluorapatite Catalyst

    Younes Abrouki, Abdelkader Anouzla, Hayat Loukili, Rabiaâ Lotfi, Ahmed Rayadh, My Abdellah Bahlaoui, Saı̈d Sebti, Driss Zakarya, Mohamed Zahouily

    Issue: Volume 1, Issue 2, June 2013
    Pages: 22-27
    Received: 28 May 2013
    Accepted:
    Published: 30 June 2013
    DOI: 10.11648/j.ajac.20130102.12
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    Abstract: The aim of this study was to apply experimental design in the optimization of the thia-Michael addition reaction between chalcone derivatives and mercaptans catalyzed by Fluorapatite catalyst (FAP). The central composite design was used to design an experimental program to provide data to model the effects of various factors on reaction yield (Y). ... Show More
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  • Preparation, Characterization, and Catalytic Studies of Iron and Cobalt Complexes Supported by ONNO – Tetradentate Schiff-Base Ligands

    Alekha Kumar Sutar, Yasobanta Das, Sasmita Pattanaik, Anita Routaray, Prasanta Rath, Tungabidya Maharana

    Issue: Volume 1, Issue 2, June 2013
    Pages: 28-36
    Received: 25 May 2013
    Accepted:
    Published: 10 July 2013
    DOI: 10.11648/j.ajac.20130102.13
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    Abstract: The free and polymer anchored complexes of iron and cobalt [3-MHBdMBn-M and P-3-MHBdMBn-M], supported by ONNO-tetradentate Schiff-base ligands are prepared by the reactions of metal solution with one molar equivalent of unsupported 3-MHBdMBn (N, N'-bis (2-hydroxy-3-methylbenzaldehyde) 4-Methylbenzene-1,2-diamine) or polymer supported (P-3-MHBdMBn) ... Show More
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