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Tivany Edwin
Departemen Teknik Lingkungan, Universitas Andalas
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Uji Toksisitas Akut Logam Timbal (Pb), Krom (Cr) dan Kobalt (Co) terhadap Daphnia Magna Edwin, Tivany; Ihsan, Taufiq; Pratiwi, Windy
Dampak Vol. 14 No. 1 (2017)
Publisher : Universitas Andalas

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25077/dampak.14.1.33-40.2017

Abstract

This study aimed to analyze the LC50 value of metallic lead (Pb), chromium (Cr), and cobalt (Co) contained in the printing industry wastewater to Daphnia magna and analyze the relationship of these metals to the LC50 value. The measurement results konsnetrasi Pb and Cr do not exceed the quality standards established, but the metals Co exceeds quality standards. Toxicity of Pb, Cr, and Co were tested in static test using artificial solution of Pb, Cr, and Co in accordance with the concentration measured in the wastewater. Tests carried out consisted of two stages: a preliminary test and test base. Daphnia magna mortality data were analyzed using Probit method with the EPA program Probit Analysis Program Version 1.5. 24-hour LC50 value of Pb, Cr, and Co to Daphnia magna is 1.052% and the LC50 values of Pb, Cr, and Co are respectively 0.003 mg / l, 0.008 mg / l and 0.009 mg / l. All three metals have included the category of very toxic to Dahnia magna.Keywords: Pb, Cr, Co, Daphnia magna, LC50 Abstrak-Penelitian ini bertujuan untuk menganalisis nilai LC50 logam timbal (Pb), Krom (Cr), dan Kobalt (Co) yang terdapat pada limbah cair industri percetakan terhadap Daphnia magna serta menganalisis hubungan logam tersebut terhadap nilai LC50. Hasil pengukuran konsnetrasi logam Pb dan Cr tidak melebihi baku mutu yang ditetapkan, namun logam Co melebihi baku mutu. Toksisitas logam Pb, Cr, dan Co diuji dalam static test menggunakan larutan artifisial logam Pb, Cr, dan Co sesuai dengan konsentrasi terukur pada limbah cair. Pengujian dilakukan terdiri dari 2 tahap yaitu uji pendahuluan dan uji dasar. Data kematian Daphnia magna dianalisis menggunakan Metode Probit dengan program EPA Probit Analysis Program Version 1.5. Nilai LC50 24 jam logam Pb, Cr, dan Co terhadap Daphnia magna adalah 1,052% dan nilai LC50 logam Pb, Cr, dan Co berturut-turut adalah 0,003 mg/l, 0,008 mg/l, dan 0,009 mg/l. Ketiga logam ini termasuk kategori sangat toksik terhadap Dahnia magna.Kata Kunci: Pb, Cr, Co, Daphnia magna, LC50
Co-Authors AA Sudharmawan, AA Adi, Alexie Herryandie Bronto Ahlul Zikri Alqadri Asri Putra Arif Satria, Muhammad Arionanda, Fauzia Aroiya Alawiyah Berri Brilliant Albar Bingesti Vegi Mayolan Danti Olivia Denny Helard Derosya, Vioni Desto Jumeno Eka Faradilla Hasanah Elza, Vira ESMIRALDA Esmiralda Fadjar Goembira Faiz Hamdi Fauzia Rahmi I Gusti Wayan Murjana Yasa Ida Ayu Putu Sri Widnyani Ikhsan, Fajrul Mardatillah, Regina Mas Mera Miftahul Rahmi Mita Sari Dewi Mohammad Irfan Muhammad Fachri Ridwan Nabila, Alya Sausan Nailul Husni Nasution, Farida Hannum Nindy Hidayah Nur, Ansiha Nurwijayanti Nuzulia Irawati Pratiwi, Windy Prima Fithri Primasari, Budhi Puti Sri Komala Putra, Veri Syah Ravany Yolanda Vitri Regia, Rinda Andhita Reiner Octavianus Irawan reinny patrisina Reri Afrianita Rinda Andhita Regia Sajidah, Hana Sari, Putri Gemala Shinta Indah Shinta Silvia Shinta Silvia Suarni Saidi Abuzar Suci Mutiara Yardi Syawal Andika Putra Taufiq Ihsan TEVINA EDWIN UJANG KHAIRUL Uyung Gatot Syafrawi Dinata Widia Detiari Rukmana Yogi Kurniawan Yommi Dewilda Zulkarnaini Zulkarnaini