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Tri Panji
Universitas Pakuan
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Computer Science & IT Education Engineering Environmental Science Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering Medicine & Pharmacology Public Health

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Journal : Journal of Science Innovare

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DEVELOPMENT OF COD (CHEMICAL OXYGEN DEMAND) ANALYSIS METHOD IN WASTE WATER USING UV-VIS SPECTROPHOTOMETER Uswatun Hasanah; Ade Heri Mulyati; Sutanto .; Diana Widiastuti; Siti Warnasih; Yulian Syahputri; Tri Panji
Journal of Science Innovare Vol 3, No 2 (2020): Journal of Science Innovare
Publisher : Universitas Pakuan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33751/jsi.v3i2.3007

Abstract

The COD (Chemical Oxygen Demand) analysis method based on the Indonesian National Standard (SNI) is a revision of SNI 06-6989.2-2004, Water and wastewater - Part 2: Method of testing for chemical oxygen demand (COD) with closed reflux spectrophotometrically. This SNI uses references from international standard methods, namely Standard Methods for the Examination of Water and Wastewater, 21st Edition, editor of LS Clesceri, AE Greenberg, AD Eaton, APHA, AWWA and WEF, Washington DC, 2005, Methods 5220 D (Closed Reflux, Colorimetric Methods). The purpose of this study was to validate the total method for testing chemical oxygen demand (COD) in water and wastewater with the reduction of Cr2O7 2- spectrophotometrically in the range of COD values of 100 mg / L to 900 mg / L measurements were made at a wavelength of 600 nm. and COD values less than or equal to 90 mg / L measurements were made at a wavelength of 420 nm. The results showed that the method SNI 06-6898.2- 2009  has good validation results including the r results obtained from the calibration curve equation of 0.998, a precision of 1.82%, an accuracy of 98.25% and LOD and LOQ of 12.27 mg / L and 25, 61 mg / L.
DEVELOPMENT OF COD (CHEMICAL OXYGEN DEMAND) ANALYSIS METHOD IN WASTE WATER USING UV-VIS SPECTROPHOTOMETER Uswatun Hasanah; Ade Heri Mulyati; Sutanto .; Diana Widiastuti; Siti Warnasih; Yulian Syahputri; Tri Panji
Journal of Science Innovare Vol 3, No 2 (2020): Journal of Science Innovare, Volume 03 Number 02 2020
Publisher : Universitas Pakuan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33751/jsi.v3i2.3007

Abstract

The COD (Chemical Oxygen Demand) analysis method based on the Indonesian National Standard (SNI) is a revision of SNI 06-6989.2-2004, Water and wastewater - Part 2: Method of testing for chemical oxygen demand (COD) with closed reflux spectrophotometrically. This SNI uses references from international standard methods, namely Standard Methods for the Examination of Water and Wastewater, 21st Edition, editor of LS Clesceri, AE Greenberg, AD Eaton, APHA, AWWA and WEF, Washington DC, 2005, Methods 5220 D (Closed Reflux, Colorimetric Methods). The purpose of this study was to validate the total method for testing chemical oxygen demand (COD) in water and wastewater with the reduction of Cr2O7 2- spectrophotometrically in the range of COD values of 100 mg / L to 900 mg / L measurements were made at a wavelength of 600 nm. and COD values less than or equal to 90 mg / L measurements were made at a wavelength of 420 nm. The results showed that the method SNI 06-6898.2- 2009  has good validation results including the r results obtained from the calibration curve equation of 0.998, a precision of 1.82%, an accuracy of 98.25% and LOD and LOQ of 12.27 mg / L and 25, 61 mg / L.
Co-Authors . Gunawan . Gunawan . GUSNANIAR . ISROI . MUSLICH . SISWANTO A M Fauzi A W PAULUS Achmad Zainudin Ade Heri Mulyati Agustin Sri MULYATNI Asmini Budiani Chotimah Chotimah Ciptadi Achmad YUSUP Dadan Rohdiana Dadan Rohdiana Deden Dewantara ERIS Desi Purwaningsih Diana Widiastuti Didiek H GOENADI Dini Astika SARI Djoko Santoso Erliza Hambali Fauziatul FITRIYAH Firda DIMAWARNITA Firda DIMAWARNITA Firda DIMAWARNITA Firda DIMAWARNITA H WIDIASTUTI Hanny Hafiar HAPPY WIDIASTUTI Happy Widiastuti Hyakansa HANIF I HARIANTO I MADE ARTIKA I Made Artika I SUSANTI Iman Rusmana Irma KRESNAWATY K Syamsu Khaswar Syamsu Kuwat Triyana L P SANTI M Irfani ABDULLAH Maemonah, Maemonah Maria Bintang Marini Wijayanti Mira Miranti N MARDIANA Nining ARINI Nur Richana P FATURACHIM Priyono Priyono Puspasari, Erna Riza A PUTRANTO Rizki KURNIAWATI Septiany C. Palilingan Shabri Shabri Shabri Shabri, Shabri Shinta PERMATASARI Siti Warnasih Suharyanto Suharyanto MULYOPRAWIRO SUHARYANTO SUHARYANTO Suharyanto Suharyanto Susi Saadah Susy SAADAH Sutanto . Swastika PRAHARYAWAN Syeda ANDANAWARIH Tri Aminingsih Tri Eko WAHYONO Urip PERWITASAR Urip PERWITASARI Uswatun Hasanah Wita KIMBERLY Yora FARAMITA Yora FARAMITA Yora FARAMITHA Yulian Syahputri Yusianto Yusianto Yusianto Yusianto, Yusianto