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Analisis Kinerja Kuantifikasi Mikroplastik dari Total Suspended Particulate dengan Metode Berbasis Peralatan Laboratorium Dasar
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Researchers quantified atmospheric microplastics on the ITB campus in Indonesia using basic laboratory equipment on total suspended particulate samples, identifying fragment and fiber dominance at 1.3–7.3 particles per cubic meter—results comparable to studies using advanced µFTIR methods—demonstrating the feasibility of low-resource microplastic research.
Penelitian ini bertujuan untuk identifikasi dan kuantifikasi mikroplastik di udara kawasan Kampus ITB menggunakan metode dengan peralatan sederhana. Hasil ini kemudian dibandingkan dengan studi serupa di lokasi yang sama. Sampel partikel dari Total Suspended Particulate (TSP) dikumpulkan selama tujuh hari menggunakan High Volume Sampler (HVS), kemudian dilakukan ekstraksi dengan air ultrapure, dekomposisi organik menggunakan H?O?, dan pemisahan densitas dengan larutan NaI. Identifikasi visual dilakukan untuk mengetahui jumlah partikel, bentuk, dan warna. Hasil identifikasi menunjukkan dominasi fragmen (404,90 partikel/filter) dan fiber (137,99 partikel/filter), dengan konsentrasi 1,3–7,3 partikel/m³. Hasil menunjukkan estimasi jumlah partikel yang sebanding dengan kuantifikasi sampel yang menggunakan µFTIR dan metoda ekstraksi yang serupa. Pendekatan ini terbukti efektif untuk kuantifikasi mikroplastik dalam TSP dengan peralatan sederhana. Penelitian ini memberikan fondasi penting bagi pengembangan riset mikroplastik di Indonesia, khususnya di laboratorium dengan keterbatasan fasilitas analitik mutakhir.
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