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KANDUNGAN MERKURI (Hg) DALAM AIR LAUT, SEDIMEN, DAN JARINGAN IKAN BELANAK (Liza melinoptera) DI PERAIRAN TELUK PALU Yusuf, Moh.; Hamzah, Baharuddin; Rahman, Nurdin
Jurnal Akademika Kimia Vol 2, No 3 (2013)
Publisher : Universitas Tadulako

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (288.3 KB)

Abstract

Mercury (Hg) is one type of a dangerous heavy metals. As one of contaminants, mercury enter the aquatic ecosystem through atmospheric decomposition or sourced from the industrial waste externalisation and bilogical and chemical converted in methyl mercury. This research aims to find out and determine the mercury concentrate which contained in sea water, sediment and belanak (Liza melinoptera) network in Palu bay water. The analysis of mercuri content on the tested sample using Automatic Mercury Analyzer. The working principle of the device is gold amalgamation method by heating and separation. The research result showed that the mercury content in belanak network is 0.143 - 0.188 ppm, sediment is 2.453 - 2.800 ppm and the sea water is 0.030 – 0.040 ppm. Based on the decision of the state minister of environmental regarding the guidelines for determination of Hg standard quality for sea water is 0.002 ppm and 0.001 ppm for marine biota. It shows that the Palu bay water condition has been polluted and the belanak is not worth to be consumed.
ETIKA PESERTA DIDIK DALAM KITAB WASHOYA AL-ABAA LI AL-ABNAA KARYA SYEKH MUHAMMAD SYAKIR DAN RELEVANSINYA PADA MATA PELAJARAN PENDIDIKAN AGAMA ISLAM SEKOLAH MENENGAH PERTAMA Nasrodin, Nasrodin; Triyana, Triyana; Yusuf, Moh.
MUMTAZ : Jurnal Pendidikan Agama Islam Vol 2 No 1 (2022): (December 2022)
Publisher : Program Studi Pendidikan Agama Islam, Fakultas Tarbiyah, Institut Agama Islam (IAI) Ibrahimy Genteng Banyuwangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.69552/mumtaz.v2i1.1734

Abstract

This study aims to determine the ethics of students in the book Washoya al-abaa li al-abnaa by Sheikh Muhammad Syakir and its relevance to Islamic education subjects in junior high schools. -Islamic values, such as students defying the teacher's orders, not doing assignments, and violating the rules that apply in school. This type of research is library research, the method of collecting documentation and observation data, the data sources used are primary data in the form of the Book of Washoya Al-Abaa Li Al-Abnaa and supporting data. Checking the validity of the data uses research dependence on data. Data analysis uses content, inductive and contextual analysis. This study shows that the ethics of students in the book Washoya al-Abaa Li al-Abnaa includes: 1) descriptive ethics consisting of a). glorify teachers more than parents, b). expect the blessing of the teacher, 2) normative ethics, namely: a). earnestly and enthusiastically, b). set the time, c). Reading, studying, and studying the material, d). ask and discuss, e. learn according to their level, f). comply with the rules, g). calm down, h). good behavior. While the relevance of the book Washoya al-Abaa Li al-Abnaa to PAI subjects can be used as a reference for students in learning and can apply these ethics properly.
ANALISIS TINGKAT PENDAPATAN PETANI GARAM DI KABUPATEN SAMPANG Yusuf, Moh.; Nugroho, Prasetyo
PERFORMANCE: Jurnal Bisnis & Akuntansi Vol 14 No 1 (2024): Performance: Jurnal Bisnis & Akuntansi
Publisher : Fakultas Ekonomi dan Bisnis, Universitas Wiraraja Madura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24929/feb.v14i1.2967

Abstract

Madura Island or commonly called "salt island" is one of the largest salt producers in Indonesia, where people, especially those around the coast, work as salt farmers. Sumenep Regency, Pamekasan Regency and Sampang Regency are the three largest producers in Madura. The author took one district to be analyzed as research material, namely Sampang Regency, precisely in Pangerangan village. Sampang consists of community salt fields covering an area of ​​4,300 ha with a salt production capacity of 300,000 tons/year. This research focuses on the problems experienced by salt farmers by analyzing the income level of salt farmers in Sampang district. In this case the author focuses on the influence of land area and production costs on the income of salt farmers in Sampang Regency. So in this research the author took a quantitative method to calculate data by conducting field research, looking at the impact, distributing questionnaires offline to farmers, drawing conclusions from the data. It can be concluded that the research results show that land area and production costs have a significant influence on the income of salt farmers in Sampang Regency.