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All Journal International Journal of Evaluation and Research in Education (IJERE) DIDAKTIKA BIOLOGI: Jurnal Penelitian Pendidikan Biologi Indonesian Journal of Science and Mathematics Education Jambura Journal of Community Empowerment Jurnal Mandala Pengabdian Masyarakat Didaktika: Jurnal Kependidikan Sciening : Science Learning Journal INSECTA: Integrative Science Education and Teaching Activity Journal Journal of Education Research Jurnal KALANDRA Analit: Analytical And Environmental Chemistry Jurnal Pengabdian Masyarakat Indonesia
Haryanti Putri Rizal
Pendidikan IPA FKIP Universitas Sulawesi Barat, Indonesia
Agriculture, Biological Sciences & Forestry Humanities Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Economics, Econometrics & Finance Education Energy Environmental Science Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Mathematics Physics Public Health Social Sciences Other

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Journal : Analit: Analytical And Environmental Chemistry

 1 
PENGARUH PENAMBAHAN PLASTICIZER TERHADAP KARAKTERISTIK BIOPLASTIK DARI SELULOSA LIMBAH KERTAS Kamaluddin, Muh Arif; Maryono, Maryono; Hasri, Hasri; genisa, Marlina Ummas; Rizal, Haryanti Putri
Analit : Analytical and Environmental Chemistry Vol. 7, No. 02 October (2022) Analit : Analytical and Enviromental Chemistry
Publisher : Jurusan Kimia FMIPA Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/aec.v7i02.2022.p197-208

Abstract

Kertas HVS umumnya dijumpai terutama mahasiswa dalam menunjang aktivitas perkuliahannya, sehingga limbah kertas mudah ditemukan. Oleh karena itu untuk mengatasi permasalahan limbah kertas perlu daur ulang kertas menjadi bioplastik. Penelitian bertujuan untuk mengetahui karakteristik bioplastik limbah kertas HVS dan pengaruh penambahan Plasticizer. Tahap penelitian meliputi ekstraksi selulosa kertas HVS, sintesis selulosa asetat, sintesis bioplastik dan karakterisasi. Hasil identifikasi gugus fungsi  terdapat gugus C=O, dan C-O ciri khas selulosa asetat. Uji ketahanan air terbaik terdapat pada kontrol 0% dengan ketahanan air sebesar 75,81%. Sifat biodegradasi terbaik pada penambahan plasticizer konsentrasi 25% (gliserol maupun sorbitol) dengan nilai kehilangan massa masing-masing 28,33% dan 37,58%. Penambahan plasticizer menunjukkan sifat mekanik bioplastik cenderung menurun. Disimpulkan bahwa bioplastik limbah kertas HVS yang terbaik terdapat pada kontrol 0% nilai kuat tarik sebesar 3,2893 N/mm2, elongasi sebesar 5,16%, nilai modulus young 0,6002 N.Kata kunci: Bioplastik, plasticizer, selulosa asetat.
PHOTODEGRADATION OF BATIK DYE COLOUR INDIGOSOL YELLOW IRK USING ZNO-CHITOSAN COMPOSITE ummas, Hasri; Indriyani, Eva; Faika, Sitti; Genisa, Marlina Ummas; Rizal, Haryanti Putri
Analit : Analytical and Environmental Chemistry Vol. 9, No. 01 April (2024) Analit : Analytical and Environmental Chemistry
Publisher : Jurusan Kimia FMIPA Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/analit.v9i01.187

Abstract

This experiment research aims to determine the optimum conditions for degradation of Indigosol Yellow IRK batik dye using ZnO-Chitosan composite, including radiation time, dye concentration, pH and determining the effectiveness of degradation. Synthesis of ZnO-chitosan composite using wet impregnation method. Radiation time with variations in time of 10, 30, 60, 120, and 180 minutes, variation in dye concentration 50, 100, 150, 200, and 250 ppm, variation in pH of dye 2,5,7,9 and 11. Measurement of the resulting concentration dye degradation using a UV-Vis Spectrophotometer with a wavelength of 319 nm. A ZnO-chitosan composite was found to degrade Indigosol Yellow IRK batik dye at 180 minutes (98.28%), optimum concentration of 150 ppm (98.06%), optimum pH of 9 (98.98%). The photodegradation effectiveness test of the ZnO-chitosan composite using effective UV light was 5.60% compared to ZnO-chitosan without UV light. It was concluded that the ZnO-chitosan composite could degrade the Indigosol Yellow IRK batik dye so that the ZnO-chitosan-UV composite was more effectively used as an environmentally friendly dye degrader.    
Co-Authors A, Fauziah Aira, Cinta Dian Amaliah, Resky Andi Agussalim, Andi Aulia Rahmadhani Ayu Indayanti Ismail Dea Santika Rahayu Djohar Maknun Ester Caroline Wowor Fitra Sari, Fitra Hasri Hasri Ilham S, Muhammad Indriyani, Eva Jumriani, Jumriani Kamaluddin, Muh Arif Marlina Ummas Genisa Maryono Maryono Meili Yanti Muhammad Ilham S Sitti Faika Sitti sapiah Tambing, Afriani Aris Tuada, Rasydah Nur Ummas, Hasri Wahyuni Adam WAHYUNI, CITRA Widya Anjelia Tumewu Yana Sambeka