American Journal of Applied Chemistry

Volume 8, Issue 3, June 2020

  • Trace Metals, Potassium Bromate and Nutritional Potentials in Bread from Bakeries in Uyo, Akwa Ibom State, Nigeria

    Emmanuel Isaac Uwah, Ernest Daniel Ikwebe

    Issue: Volume 8, Issue 3, June 2020
    Pages: 63-73
    Received: 7 November 2019
    Accepted: 25 November 2019
    Published: 4 July 2020
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    Abstract: This research assessed bread from bakeries in Uyo, Akwa Ibom State, Nigeria, for trace metals, nutritive value and potassium bromate using standard procedures. Samples were collected from four bakeries coded as: A, B, C and D. Alkaloids, glycosides, steroids and saponins were present in all samples. Flavonoids were only present in samples obtained ... Show More
  • Chemical Speciation and Potential Mobility of Heavy Metals in the Soils of Onitsha South Local Government Area Anambra Nigeria

    Ochiagha Kate Ekwutosi, Okoye Patrice-Anthony Chudi, Eboagu Nkiru Charity

    Issue: Volume 8, Issue 3, June 2020
    Pages: 74-81
    Received: 4 May 2020
    Accepted: 8 June 2020
    Published: 4 July 2020
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    Abstract: The understanding of chemical forms of heavy metals and how they associate with themselves is very essential in studying the potential mobility and risk assessment of heavy metals in soils. This study determined the spatial distribution and mobility of Mn, Ni, Zn, Cr, Cu, Pb and Fe in the soil samples of Onitsha South Local Government Area in South... Show More
  • Adsorption of Atrazine from Aqueous Solution onto Peanut Shell Activated Carbon: Kinetics and Isotherms Studies

    Ignace Agani, Jacques Kabiyéssi Fatombi, Nikita Topanou, Esta Abiodon Idohou, Taofiki Aminou

    Issue: Volume 8, Issue 3, June 2020
    Pages: 82-88
    Received: 4 July 2020
    Accepted: 20 July 2020
    Published: 28 July 2020
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    Abstract: In this study, the activated carbon (AC) was prepared from phosphoric acid activation of peanut shell and used as adsorbent for atrazine removal from aqueous solutions. The prepared AC was characterized by Fourier transform infrared spectroscopy (FTIR) and scanning electron microscopy (SEM) techniques. The effect of parameters such as solution pH, ... Show More
  • Determination of Five Sulfonamides in Water by High Performance Liquid Chromatography Combined with Ionic Liquid Liquid-liquid Microextraction

    Gao Yuling, Liang Ting, Sun Peng, Guo Yongxia

    Issue: Volume 8, Issue 3, June 2020
    Pages: 89-93
    Received: 4 June 2020
    Accepted: 24 June 2020
    Published: 28 July 2020
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    Abstract: A novel method for the determination of sulfamethazine (SM2), sulfamonomethoxinc (SMM), sulfamethoxazole (SMZ), sulfadiazine (SD), sulfaquinoxaline (SQX) from the water has been developed using ionic liquid dispersive 1iquid-liquid microextraction coupled with high performance liquid chromatography. The influence of extraction parameters including ... Show More