Volume 13, Issue 3, September 2025

  • Research Article

    Determination of As, Hg, Pb and Zr in Pyrotechnic Compositions by ICP-OES

    Yang Lin, Chen Jie*, Zeng Xu, Zhu Yuping

    Issue: Volume 13, Issue 3, September 2025
    Pages: 48-52
    Received: 4 June 2025
    Accepted: 20 June 2025
    Published: 18 July 2025
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    Abstract: Fireworks produce spectacular visual effects through the combustion and explosion of pyrotechnic compositions, which are made up of oxidizers, fuels, colorants and binders. To improve safety and environmental protection, the Chinese national standard GB 10631-2013 prohibits the use of arsenic, mercury compounds and zirconium powder in pyrotechnic c... Show More
  • Research Article

    Green Synthesis of Magnetite: Characterization and Comparison with Conventional Chemical Methods

    Asma Siddiqa, Halima Khatun, Golam Mostafa*

    Issue: Volume 13, Issue 3, September 2025
    Pages: 53-63
    Received: 17 June 2025
    Accepted: 2 July 2025
    Published: 23 July 2025
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    Abstract: Iron oxide nanomaterials have gained scientific focus for environmental remediation. This study aimed to compare the structural properties of magnetite using chemical and green synthesis methods, applying XRD, FT-IR, SEM, EDS, TGA, DLS, and zeta potential characterization techniques. The XRD analysis showed that the average particle size of chemica... Show More