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Identifikasi Bentuk Mikroplastik Di Sungai Martapura (studi Kasus: Sisi Barat Muara Kelayan)
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Researchers identified microplastic types in water and sediment samples from the Martapura River estuary in Banjarmasin, Indonesia, using 40x binocular microscopy. Fibers dominated in both water (93%) and sediment (64%), with fragments and films also present.
Mikroplastik adalah plastik dengan ukuran > 5 mm – 1 µm. Keberadaan mikroplastik dipengaruhi olehkegiatan manusia. Muara Kelayan adalah satu daerah yang dialiri sungai martapura yang memilikijumlah penduduk terbanyak di Banjarmasin. Penelitian ini bertujuan untuk mengidentifikasi bentukmikroplastik di air dan sedimen. Metode sampling menggunakan purposive sampling dan pengulanganmengacu pada SNI 8995 – 2021. Metode ekstraksi mikroplastik di air menggunakan KOH 10% danNaCl, metode ekstraksi di sedimen dengan pengeringan di oven suhu 70°C dan NaCl. Bentukmikroplastik diamati menggunakan mikroskop binokuler perbesaran 40x dan Sedgewick Rafter Cell(SRC) sebagai preparat. Mikroplastik yang teridentifikasi di air berbentuk fiber sebanyak 93,05%,fragmen sebanyak 4,71% dan film sebanyak 2,24%. Bentuk mikroplastik pada sampel sedimen adalahfiber sebanyak 63,95%, fragmen sebanyak 30,63%, film sebanyak 5,06% dan palet sebanyak 0,36%.
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Identifikasi Karakteristik dan Kelimpahan Mikroplastik pada Sampel Sedimen Kali Pelayaran Kabupaten Sidoarjo Jawa Timur
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Researchers analyzed sediment samples from three segments of Kali Pelayaran River in Sidoarjo, East Java, Indonesia and found microplastic contamination in all samples, with fragments, fibers, filaments, and microbeads present at concentrations up to 7,960 particles/kg in downstream segments.
Identifikasi Cemaran Mikroplastik Di Perairan Sungai Musi Wilayah Musi Banyuasin (berdasarkan Konsentrasi Mikroplastik Pada Parameter Biota)
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Researchers examined microplastic contamination in fish from the Musi River near Sekayu, Indonesia, using KOH digestion and H2O2 extraction of digestive tracts. They found fiber, fragment, and foam particles ranging from 306 to 1069 µm, with color and size variation attributed to UV oxidation and fragmentation.
Identifikasi Jenis Dan Kelimpahan Mikroplastik Pada Sedimen Di Muara Sembilang Kecamatan Samboja Kabupaten Kutai Kartanegara Kalimantan Timur
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Researchers identified and quantified microplastics in sediments from Muara Sembilang estuary in East Kalimantan, Indonesia, finding a total abundance of 1,613 particles/kg with fragments dominating at 41%, followed by films and fibers, with no statistically significant difference in abundance among morphotype categories.
Identifikasi Mikroplastik Pada Sedimen di Perairan Sungai Musi Wilayah Kabupaten Banyuasin
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Researchers identified microplastics in sediments from the downstream Musi River in Banyuasin District, Indonesia, detecting six particles per 100 mL sample including fragments, fibers, and films ranging from 650 to 1,884 µm in size, with brown-colored fragments most prevalent.
Deteksi Keberadaan Mikroplastik Pada Sedimen Perairan Sungai Musi Wilayah Sekayu, Musi Banyuasin
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Researchers detected microplastics in sediments from the Musi River in Sekayu, South Sumatra, finding foam, fiber, and fragment morphotypes with brown-colored particles dominant at 6 particles per 50g dry sediment, with sizes ranging from 277 to 1,175 micrometers.
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