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All Journal Jurnal Riset Kimia Jurnal Dimensi PYTHAGORAS: Jurnal Program Studi Pendidikan Matematika BIOEDUSCIENCE Indonesian Journal of Pure and Applied Chemistry Minda Baharu Jurnal Lemuru : Jurnal Ilmu Perikanan dan Kelautan Indonesia JCP (Jurnal Cahaya Pendidikan) Fakultas Keguruan dan Ilmu Pendidikan Aceh Journal of Animal Science Jurnal Pendidik Indonesia
Fitrah Amelia
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Agriculture, Biological Sciences & Forestry Arts Humanities Biochemistry, Genetics & Molecular Biology Chemistry Earth & Planetary Sciences Economics, Econometrics & Finance Education Environmental Science Immunology & microbiology Mathematics Physics Social Sciences Veterinary Other

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Journal : Jurnal Dimensi

 1 
DEGRADASI ZAT WARNA RHODAMIN B SECARA SONOLISIS MENGGUNAKAN KATALIS ZnO-H2O2 Amelia, Fitrah
JURNAL DIMENSI Vol 5, No 1 (2016): JURNAL DIMENSI
Publisher : Universitas Riau Kepulauan

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (531.86 KB) | DOI: 10.33373/dms.v5i1.24

Abstract

Rhodamin B merupakan zat warna sintetis yang bersifat toksik. Untuk mengurangi tingkat toksisitasnya maka dilakukan degradasi terhadap Rhodamin B secara sonolisis menggunakan katalis ZnO-H2O2. Metoda sonolisis menggunakan gelombang ultrasonik yang beroperasi pada frekuensi 47 kHz. Hasil sonolisis disentrifus untuk memisahkan zat warna dengan katalisnya. Selanjutnya diukur dengan spektrofotometer UV-Vis pada λ 400-600 nm. Dari penelitian yang telah dilakukan diperoleh hasil degradasi dari Rhodamin-B 2 mg/L dengan penambahan ZnO efektif 0,3 g sebesar 35,44 % yang didegradasi selama 60 menit, suhu 40±1 oC, pH 5. Pada kondisi yang sama untuk penambahan 3 ml H2O2 30 % didapatkan persen degradasi 42,67 % dan dengan penambahan ZnO-H2O2 diperoleh degradasi sebesar 88,83 %. Persentase degradasi dari Rhodamin B mencapai 91,99 % dengan penambahan ZnO 0,3 g dan H2O2 3 ml pada pH 5, suhu 40±1 oC setelah disonolisis selama 90 menit.
KANDUNGAN LOGAM BERAT Pb DAN Cd PADA SEDIMEN DAN KERANG DI PERAIRAN BATAM S, Ismarti; Amelia, Fitrah; Ramses, Ramses
JURNAL DIMENSI Vol 4, No 3 (2015): JURNAL DIMENSI
Publisher : Universitas Riau Kepulauan

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (463.892 KB) | DOI: 10.33373/dms.v4i3.45

Abstract

The determination of metal content of lead (Pb) and cadmium (Cd) on sediments and shellfish samples from coastal waters’s of Batam. Samples was collected from 6 location grably. Sediments and shellfish samples obtained dried in an oven at a temperature of 80-105oC. The samples were dried crushed and made wet digestion with nitric acid. Pb and Cd levels were determined using spectrophotometry method at 228.72 nm resonance line Cd and Pb to 283.30 nm. The results showed that the levels of heavy metals Pb and Cd in sediments and shellfish samples varied. The highest levels of Pb and Cd found in sediments from Buluh Island, respectively 20.12 mg / kg for Pb and 0,24mg / kg for cadmium. Based on the value SQG, concentrations of Pb and Cd metal in sediments is still at the standards for sediments that have not been contaminated. Pb levels in the shells found at all sampling locations exceeded the specified threshold BPOM RI, whereas Cd metal levels are still below the threshold set BPOM RI, except in shellfish samples from Buluh Island.
Co-Authors Ainun, Nurul Asmaul Husna Chandra, Istiqomah Devi Novianti, Devi Dinata, Rifal Erlinda Herawati, Erlinda Ferdinand Herman Siahaan, Ferdinand Herman Fitri Hidayah, Nurul Gustriyana, Gustriyana Hamzar Suyani Haryani, Devi Hasibuan, Nirma Adeseprianah Hermansah Hermansah, Hermansah Ismarti Ismarti, Ismarti Ismarti S, Ismarti Jaya Dwi Putra, Jaya Dwi Karlina Karlina Luqman Nur Hakim, Luqman Nur Maya Trismawati, Maya Nailul Himmi Hasibuan, Nailul Himmi Nina Agustyaningrum Oktanora Liansari Putri Yulia, Putri Putri, Fathiya Eka Ramses Firdaus, Ramses Ramses Ramses Rianti, Era Safni Safni Sitanggang, Pardomuan Suryo Hartanto Yesi Gusmania Yesi Gusmania, Yesi Yudhi Hanggara Yudhi Hanggara Yulizar Yusuf