PENURUNAN KADAR ION (Fe2+ ) DALAM AIR MENGGUNAKAN CANGKANG TELUR BEBEK

Khasanah, Ulwiyatul, G1C216132 (2017) PENURUNAN KADAR ION (Fe2+ ) DALAM AIR MENGGUNAKAN CANGKANG TELUR BEBEK. Sarjana / Sarjana Terapan (S1/D4) thesis, ["eprint_fieldopt_institution_Universitas Muhammadiyah Semarang" not defined].

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Abstract

Air merupakan senyawa penting bagi kehidupan manusia dan makhluk hidup.Pencemaran air disebabkan oleh komponen organik dan anorganik, berasal dari kegiatan manusia seperti limbah industri logam berat berbahaya diantaranya logam Besi. Bila logam Besi masuk ke dalam tubuh dengan dosis tinggi maka akan menyebabkan keracunan. Kandungan (Fe2+) dalam air dapat diturunkan dengan menggunakan serbuk cangkang telur bebek karena serbuk cangkang telur bebek mengandung komponen kimia seperti CaCO3 dan protein asam mukopolisakarida. Penelitian ini bertujuan menetapkan kadar Fe2+ awal, menentukan prosentase (%) penurunan kadar Fe2+ dalam air, mengetahui pengaruh variasi konsentrasi menggunakan cangkang telur bebek terhadap penurunan kadar ion Fe2+ dalam air. Jenis penelitian ini adalah eksperimen. Obyek penelitian adalah larutan Fe2+ konsentrasi 50 ppm, kemudian dilakukan penurunan kadar Fe2+ dalam air menggunakan cangkang telur bebek berdasarkan variasi konsentrasi, tiap sampel ditetapkan kadar Fe2+ dengan metode spektrofotometri. Hasil penelitian diperoleh panjang gelombang dan waktu kestabilan optimum 510 nm dan 15 menit, Kadar awal (Fe2+) yaitu 49,69 mg/L. Penurunan kadar Fe2+ dengan variasi konsentrasi dan variasi perendaman dengan penambahan serbuk cangkang telur bebek 10%b/v dan lama waktu kontak 5 jam diperoleh hasil tertinggi 81,92%. Hasil analisis variasi serbuk cangkang bebek dan variasi waktu perendaman terdapat pengaruh nyata terhadap penurunan kadar Fe2+. Kata kunci : Penurunan kadar ion Fe2+, Serbuk cangkang telur bebek. Water is an important compound for human life and living creatures. Water pollution caused by organic and inorganic components, derived from human activities such as heavy industrial waste heavy metals such as metal Iron. When metal Iron into the body with high doses it will cause poisoning. The content (Fe2+) in water can be derived by using duck eggshell powder because the duck eggshell powder contains chemical components such as CaCO3 and mucopolysaccharide acid protein. This study aims to determine the initial Fe2+ level, determine the percentage (%) decrease in Fe2+ levels in water, know the effect of concentration variation using duck eggshell to decrease Fe2+ ion content in water. This research type is experiment. The object of the research is Fe2+ 50 ppm concentration, then decrease Fe2+ level in water using duck eggshell based on concentration variation, each sample is determined Fe2+ level by spectrophotometric method. The results of the research were optimum wavelength and optimum 510 nm and 15 min, the initial concentration (Fe2+) was 49,69 mg / L. The lowest of Fe2+ with variation of concentration and soaking time variation with the addition of duck egg shell powder 10% w / v and 5 hours contact time was obtained highest result 81,92%. The analysis of duck shell powder variation and the variation of soaking time have a significant effect on the decrease of Fe2+ level. Keywords: Decreased levels of Fe2 + ions, Duck eggshell powder

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