American Journal of Applied Chemistry

Archive

Volume 7, Issue 3, June 2019

  • The Application of NIR Process Analytical Chemistry in Studying Competitive Adsorption Process

    Hong-Wei Yang, Chen-Bo Cai, Lu Xu, Lun Li, Yan-Li Zou, Yong-Yuan Tao, Mei-Qiong Wen

    Issue: Volume 7, Issue 3, June 2019
    Pages: 80-86
    Received: 8 April 2019
    Accepted: 21 May 2019
    Published: 12 June 2019
    DOI: 10.11648/j.ajac.20190703.11
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    Abstract: With an experimental setup of near-infrared process analytical chemistry, a competitive adsorption process of orthoxylene and aniline vapor onto silica gel has been revealed in the paper. The mixture vapor of orthoxylene and aniline has been introduced into a quartz adsorption bed, which was filled with adsorbent of silica gel and monitored continu... Show More
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  • Corrosion Inhibition of Mild Steel in Sulphuric Acid (H2SO4) Medium of the Stem Extract of Tetrapleura Tetraptera

    Rita Oghenenyerhovwo Ididama, Vincent Ishmael Egbulefu Ajiwe, Chingbudun Nduadim Emeruwa

    Issue: Volume 7, Issue 3, June 2019
    Pages: 87-94
    Received: 26 March 2019
    Accepted: 9 May 2019
    Published: 17 June 2019
    DOI: 10.11648/j.ajac.20190703.12
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    Abstract: The inhibitive action of stem extracts of Tetrapleura tetraptera on mild steel corrosion in 1.0M & 5.0M H2SO4 solutions was studied. The stem were dried under room temperature and mechanically ground into powder form. 100g of the stem powder were extracted with a mixture of methanol/water in the ratio of 4:1 using a Soxhlet extractor for 24 hours. ... Show More
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  • Synthesis and Microbial Activity of Manganese (II) and Cobalt (III) Complexes of 3-Methoxy-4-Hydroxyphenylmethyelene (2- Hydroxyphenyl) Amine

    Belachew Kebede

    Issue: Volume 7, Issue 3, June 2019
    Pages: 95-103
    Received: 26 March 2019
    Accepted: 30 April 2019
    Published: 26 June 2019
    DOI: 10.11648/j.ajac.20190703.13
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    Abstract: Transition metal complexes of Mnanganese (II) and Cobalt (III) were synthesized from the Schiff’s base ligand, 3-methoxy-4-hydroxyphenylmethyelene (2-hydroxyphenyl) amine which is derived from vanillin and 2-aminohpenol by the reaction of the metal ions. The Structural features of these complexes were obtained from their elemental analyses, magneti... Show More
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  • Determination of Short Chain Chlorinated Paraffins in Textile Samples by GC-MS

    Zeng Zheng, Shao Yuwan, Li Xian, Du Juan

    Issue: Volume 7, Issue 3, June 2019
    Pages: 104-109
    Received: 7 May 2019
    Accepted: 13 June 2019
    Published: 8 July 2019
    DOI: 10.11648/j.ajac.20190703.14
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    Abstract: The method of determining short-chain chlorinated paraffins in textiles by GC-MS was established. Short-chain chlorinated paraffins, short for SCCPs, are a mixture of polychlorinated n-alkanes. These high production volume chemicals are widely used as leather coating, plasticizers for PVC and chlorinated rubber and flame retardants for plastics and... Show More
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