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ANALISA PENGUJIAN KADAR NITRAT, NITRIT DAN KLORIDA PADA AIR MINERAL DENGAN METODE SPEKTROFOTOMETRI UV – VIS DAN TITRIMETRI
Jurnal Inovasi Teknik Kimia
Vol 10
, No 4
(2025)
Udara merupakan kebutuhan esensial bagi kehidupan manusia, Kualitas air minum menjadi perhatian utama dalam upaya menjaga kesehatan masyarakat. Keberadaan senyawa nitrat (NO₃⁻), nitrit (NO₂⁻), dan klorida (Cl⁻) dalam air mineral perlu dikaji mengingat potensi toksisitasnya apabila melebihi ambang batas yang ditetapkan oleh standar nasional. Penelitian ini bertujuan untuk menentukan kadar nitrat, nitrit, dan klorida dalam beberapa sampel air mineral menggunakan metode spektrofotometri UV–Vis dan...
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Determinants of MSME Sustainability: A Regression-Based Study in Labuhanbatu
Advance Sustainable Science, Engineering and Technology
Vol 7
, No 4
(2025)
This study aims to identify factors that influence the development of healthy and independent MSMEs in Labuhanbatu Regency, Indonesia. The research method uses a quantitative approach with primary data collection through interviews and questionnaires distributed to 342 MSME actors in Labuhanbatu Regency. The sample was taken using a stratified random sampling technique based on the 2019 MSME population. The data were analyzed using multiple regression techniques to test the effect of the indepe...
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Analisis Kualitas Website Diskominfotik Bengkalis Menggunakan Metode Webqual 4.0
JUISI : Jurnal Ilmiah Sistem Informasi
Vol 4
, No 3
(2025)
Website Diskominfotik Bengkalis merupakan sarana penting dalam menyampaikan informasi kepada masyarakat, sehingga kualitasnya perlu dievaluasi untuk memastikan efektivitas komunikasi dan kepuasan pengguna. Penelitian ini bertujuan untuk menganalisis kualitas website Diskominfotik Bengkalis dengan menggunakan metode webqual 4.0, yang mencakup tiga dimensi utama: kualitas kegunaan (usability quality), kualitas informasi (information quality) dan kualitas layanan interaksi (service interaction qual...
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The Influence of Internal Control Systems and Service Quality on Accountability with Work Culture as a Moderating Variable: Study at LP3I Banda Aceh
Proceeding. of The International Conference on Business and Economics
Vol 3
, No 2
(2025)
This study aims to analyze the impact of internal control systems and service quality on accountability and work culture at LP3I Banda Aceh. Specifically, it investigates how internal control systems influence accountability and work culture, as well as the effect of service quality on both accountability and work culture. Additionally, the research explores the role of work culture as a moderating variable in the relationship between internal control systems, service quality, and accountability...
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Strengthening Transparency and Accountability of Village-Owned Enterprises (BUMDes) through Community-Based Internal Audit Assistance
Proceeding. of The International Conference on Business and Economics
Vol 3
, No 2
(2025)
Strengthening transparency and accountability in the financial management of Village-Owned Enterprises (BUMDes) is crucial in promoting good village governance. However, many BUMDes still face challenges such as weak record-keeping systems, the absence of internal audits, and limited human resource competencies in financial aspects. This community service activity aims to build an internal audit system as a strategy to improve the financial governance of BUMDes in Pematang Serai Village, Tanjung...
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Implementasi Manajemen Pengembangan Karier Pegawai Negeri Sipil melalui Promosi Jabatan di Badan Kepegawaian dan Pengembangan Sumber Daya Manusia Kota Medan
Public Service And Governance Journal
Vol 6
, No 1
(2025)
One of the activities of ASN management is career development such as promotion. This study aims to analyze the extent to which the implementation of career development management of Civil Servants (PNS) through promotions at the Medan City Personnel and Human Resources Development Agency. The implementation of civil servant career development management in BKPSDM Medan City has been well implemented but there are still obstacles. The method used in this research is descriptive research with a q...
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Training on the Use of Educational Tools with Picture Cards (Flash Cards) in Mathematics Learning for Madrasah Ibtidaiyah Students
Rahim, Rani
; Nasution, Asrindah
; Siregar, Rizka Fahruza
; Ramadhani, Rini
; Riani, Nova
; Marito, Winanda
Educate: Journal of Community Service in Education
Vol 5
, No 1
(2025)
Educational tools are very important to be implemented in the learning process. This is because educational tools can increase students' learning motivation so that learning is more meaningful, innovative and creative. However, the reality in the field is that when the learning process is in the classroom, teachers do not use learning media such as educational tools. This results in low student interest in learning mathematics, which also makes students' mathematical abilities low. Therefore, th...
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English Teachers’ Challenge in Implementing Merdeka Curriculum at Islamic Boarding School
Scripta : English Department Journal
Vol 12
, No 1
(2025)
The implementation of the Merdeka Curriculum in Islamic boarding schools presents unique challenges for English language teachers. While much research has focused on the Merdeka Curriculum in general education, studies on its application in pesantren, especially in English language teaching (ELT), remain limited. This research gap is significant, as pesantren play a crucial role in Indonesia’s education system. This study examines the challenges faced by teachers in designing lesson plans,...
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PENGARUH PENAMBAHAN KATALIS CaO DAN CaO TERIMPREGNASI KOH BERBASIS CANGKANG TELUR TERHADAP HASIL SINTESIS BIODIESEL DARI MINYAK JARAK, MINYAK KELAPA DAN MINYAK KELAPA SAWIT
Muarif , Agam
; Mulyawan , Rizka
; Nurlaila, Rizka
; Fikri, Ahmad
; Armita Sandi, Nazlia
; Cinta Buana Nasution, Vinkhan
; Syahrani, Irma
Jurnal Inovasi Teknik Kimia
Vol 10
, No 2
(2025)
Biodiesel merupakan bahan bakar alternatif yang sifatnya renewable energy dan ramah lingkungan yang dapat disintesis dari beberapa jenis minyak seperti minyak jarak, minyak kelapa, minyak kelapa sawit dan sebagainya. Hal ini didukung oleh kandungan senyawa yang terdapat dalam ketiga jenis minyak tersebut disertai dengan bahan baku yang mudah didapatkan dan dibudidayakan di Indonesia. Proses pembuatan biodiesel dari minyak melalui reaksi esterifikasi dan transesterifikasi dengan menggunakan bantu...
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Evaluasi Asesmen Nasional (AN) di Sekolah Menegah Atas di Medan
Jurnal Riset sosial humaniora, dan Pendidikan (Soshumdik)
Vol 4
, No 1
(2025)
The transformation of Indonesia’s educational evaluation system from the National Examination (UN) to the National Assessment (AN) is intended to improve education quality through a more comprehensive approach. This study examines the implementation of the National Assessment at SMA Negeri 21 Medan, with a focus on the disparity between the theoretical framework of formative assessment and its practical execution in the field. The research utilizes the discrepancy evaluation model with a qualita...
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