Metal Organic Framework (ZIF-8)@ Alginate Nanocomposite for Micro Solid-Phase Extraction for Cd(II), Ni(II) and Co(II) in Water and Food Samples

SOYLAK M., Alparslan M., ÖZALP Ö.

Analytical Letters, vol.59, no.6, pp.993-1011, 2026 (SCI-Expanded, Scopus) identifier

  • Publication Type: Article / Article
  • Volume: 59 Issue: 6
  • Publication Date: 2026
  • Doi Number: 10.1080/00032719.2025.2522359
  • Journal Name: Analytical Letters
  • Journal Indexes: Science Citation Index Expanded (SCI-EXPANDED), Scopus, Academic Search Premier, Aerospace Database, Aquatic Science & Fisheries Abstracts (ASFA), BIOSIS, Biotechnology Research Abstracts, CAB Abstracts, Chemical Abstracts Core, Chimica, Communication Abstracts, Food Science & Technology Abstracts, Metadex, Veterinary Science Database, Civil Engineering Abstracts
  • Page Numbers: pp.993-1011
  • Keywords: Alginate, high-resolution continuum source flame atomic absorption spectrometry (HR-CS FAAS), micro solid phase extraction, nanocomposite, trace heavy metals, zeolite imidazole framework-8 (ZIF-8)
  • Erciyes University Affiliated: Yes

Abstract

A novel nanocomposite was synthesized and characterized using FE-SEM, XRD, and FTIR techniques. The material was applied in a microsolid-phase extraction method for the trace determination of Cd(II), Ni(II), and Co(II). Key analytical parameters such as pH, adsorbent amount, eluent type and concentration, and sample and eluent volumes were optimized. Metal quantification was performed using FAAS, achieving a preconcentration factor of 60. Limits of detection were 3.87, 7.47, and 12.15 µg/kg for Cd(II), Ni(II), and Co(II), respectively. Method validation was conducted with certified reference materials and successfully applied to food and water samples from Türkiye.