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All Journal Journal of Degraded and Mining Lands Management Saintifik : Jurnal Matematika, Sains, dan Pembelajarannya
Nissa Sukmawati
UIN Sulthan Thaha Saifuddin Jambi
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Mathematics Physics Other

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Rancang Bangun Seleksi Kendaraan Sederhana menggunakan Sensor HC-SR04 Nissa Sukmawati
SAINTIFIK Vol 6 No 1 (2020): Jurnal Saintifik: Jurnal Matematika, Sains, dan Pembelajarannya
Publisher : Universitas Sulawesi Barat

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (349.228 KB) | DOI: 10.31605/saintifik.v6i1.248

Abstract

Penelitian ini bertujuan untuk merancang sistem seleksi kendaraan sederhana berdasarkan ketinggian dan panjang kendaraan menggunakan sensor HC-SR04 dengan mikrokontroler arduino UNO. Sistem ini terdiri dari sensor ultrasonik HC-SR04 yang memancarkan gelombang ultrasonic kemudian diterima oleh receiver lalu diolah menjadi sebuah data berupa ketinggian dan panjang untuk menentukan golongan kendaraan. Metode penelitian ini dilakukan dengan mengukur ketinggian dan panjang kendaraan yang melewati sensor sehingga golongan kendaraan dapat ditentukan. Penelitian terbatas pada kendaraan box golongan III, IV, dan V.
Heavy metal contamination of Batanghari River, Jambi, Indonesia: determination based on sediment enrichment factor value Badariah Badariah; Nisa Sukmawati; Sarah Fiebrina Heraningsih; Rainiyati Rainiyati; Ahmad Riduan; Riski Dwimalida Putri
Journal of Degraded and Mining Lands Management Vol 10, No 4 (2023)
Publisher : Brawijaya University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15243/jdmlm.2023.104.4761

Abstract

Batanghari River is the primary source of water for the people of Jambi. Batanghari River’s condition nowadays is worrying because its color is no longer clear. This research focused on determining the content of heavy metals in the Batanghari River's water and sediment. The conducted analysis is an ICP-MS analysis to determine the level of heavy metal (Cu, Cr, Co, Cd, Hg), and an enrichment factor calculation is conducted to determine the source of pollution. The enrichment factor value from the Batanghari River sediment sample declined with the following sequence Cd>Hg>Cu>Cr>Co, in 10 pinpoint locations. These indicate a high degree of anthropogenic activities along the Batanghari River which become the source of heavy metals entering the Batanghari River. The average concentration of heavy metals in the Batanghari River showed that the metal concentrations of Cd, Cu, and Hg are higher than the quality standards that have been set, whereas the metal concentrations of Cr and Co are still by the quality standards that have been set in PP 22 the year 2021.
Co-Authors AHMAD RIDUAN Badariah Badariah Rainiyati Rainiyati Riski Dwimalida Putri Sarah Fiebrina Heraningsih