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      Sintesis dan Karakterisasi Karboksimetil Selulosa sebagai Pelapis Bioamelioran untuk Pembenah Tanah Berpasir

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      Date
      2026
      Jenis/Type
      Tugas Akhir
      Subtype
      Undergraduate Theses
      Author
      Tanwiroh
      Muliawati, Nindya Tri
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      Abstract
      Tanah berpasir memiliki kapasitas retensi air yang rendah, stabilitas agregat yang rendah, dan laju infiltrasi yang tinggi. Perbaikan tanah dapat dilakukan dengan pemberian bioamelioran. Pelapisan bioamelioran menggunakan karboksimetil selulosa diharapkan menjaga efektifitasnya dari lingkungan yang ekstrem. Penelitian ini bertujuan untuk mengetahui karakteristik karboksimetil selulosa dan pengaruh variasi dosis karboksimetil selulosa yang paling optimal sebagai pelapis untuk pembenah tanah. Penelitian ini diawali dengan sintesis karboksimetil selulosa dan karakterisasi karboksimetil selulosa yang meliputi kadar air, pH, viskositas, kadar kemurniannya, analisis gugus fungsi menggunakan FTIR dan analisis kristalinitas menggunakan XRD, serta diaplikasikan ke tanah dengan beberapa variasi dosis (F0, F1, F2, F3, F4, dan F5). Pengujian tanah yang dilakukan meliputi kadar air, pH, kapasitas penahanan air, dan stabilitas agregat tanah. Penelitian ini menunjukkan kualitas karboksimetil selulosa memenuhi standar SNI 06-3736-1995 mutu 2 dan perlakuan yang paling optimal adalah F2. Perlakuan F2 menunjukkan hasil yg paling optimal pada uji kadar air, pH, dan kapasitas penahanan air tanah, sementara nilai uji stabilitas agregat tanah masih lebih baik dibandingkan kontrol.
       
      Sandy soil had low water retention capacity, poor aggregate stability, and a high infiltration rate. Soil improvement could be achieved using bioameliorants, whose effectiveness under extreme environmental conditions could be enhanced by coating with carboxymethyl cellulose. This study aimed to evaluate the characteristics of carboxymethyl cellulose and to determine the optimal dosage as a coating material for soil conditioners. The research began with the synthesis and characterization of carboxymethyl cellulose, including moisture content, pH, viscosity, purity, functional group analysis using FTIR and crystallinity analysis using XRD, then introduced to soil under treatments (F0, F1, F2, F3, F4, and F5). Soil parameters measured included moisture content, pH, water holding capacity, and aggregate stability. The results indicated that the synthesized carboxymethyl cellulose met the SNI 06-3736-1995 grade 2 standard, with treatment F2 identified as the most optimal, showing the best performance in moisture content, pH, and water holding capacity while maintaining better aggregate stability than the control.
       
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      http://repository.ipb.ac.id/handle/123456789/178579
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      • UF - Chemistry Analysis [151]

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      Copyright © 2020 Library of IPB University
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      Contact Us | Send Feedback
      Indonesia DSpace Group 
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