avatar

UMAR KALMAR NIZAR

Universitas Negeri Padang S1 - Kimia SINTA ID : 5977669
729
SINTA Score Overall
258
SINTA Score 3Yr
1.237
Affil Score
455
Affil Score 3Yr
Latest number of publications
Photocatalytic Degradation of Polyethylene Microplastics Using Microwave-Activated Gadolinium Oxide Catalyst
Universitas Gadjah Mada Indonesian Journal of Chemistry Vol 26, No 2 (2026)409-421
Author Order : 5 of 9
Ismail, Mohammad Luqman; Hanafi, Muhammad Farhan; Zamanhuri, Norezatul Shahirah Ahmad; Sapawe, Norzahir; Nizar, Umar Kalmar; Hamid, Hairul Amani Abdul; Sidik, Siti Munirah; Ibrahim, Siti Fatimah; Danish, Mohammed
2026 DOI: 10.22146/ijc.108052 Accred : Sinta 1
Voltammetric Detection of Zn2+ Ions Using a Glassy Carbon Electrode Modified with Napa-Soil-Derived NiAl2O4
Universitas Pendidikan Mandalika Hydrogen: Jurnal Kependidikan Kimia Vol. 14 No. 2 (2026): April 2026
Author Order : 3 of 4
Septiani, Dhea; Mawardi; Nizar, Umar Kalmar; Suryani, Okta
2026 DOI: 10.33394/hjkk.v14i2.20367 Accred : Sinta 4
Studi Pemanfaatan Rumput Liar Pekarangan Rumah sebagai Bahan Baku Pembuatan Ekoenzim
Departemen Kimia FMIPA UNP Periodic Vol 14, No 2 (2025): PERIODIC72-79
Author Order : 2 of 8
Syafriadi, Riko; Nizar, Umar Kalmar; Stiadi, Della Rosalynna; Zuyyina, Himla; Fitriani, Fitriani; Fika, Miva Hemalia; Fadhila, Radhiatul; Syafri, Vanny Sofiana
2025 DOI: 10.24036/periodic.v14i2.133838 Accred : Unknown
Potensi Karbon dari Bunga Cemara Laut (Casuarina Equisetifolia) sebagai Sumber Material Maju berdasarkan Hasil Uji Proksimat
Departemen Kimia FMIPA UNP Periodic Vol 14, No 2 (2025): PERIODIC1-5
Author Order : 7 of 7
Novel, Dheo Shalsabilla; Putri, Natasya Alya; Karsa, Dion Randi; Izanel, Rezi Ananta; Jannah, Miftahul; Khaliq, Feni Kurnia; Nizar, Umar Kalmar
2025 DOI: 10.24036/periodic.v14i2.130328 Accred : Unknown
Pemanfaatan Karbon Batang Jagung (Zea mays) untuk Penjernihan Minyak Jelantah
Departemen Kimia FMIPA UNP Periodic Vol 14, No 2 (2025): PERIODIC6-10
Author Order : 9 of 9
Karsa, Dion Randi; Putra, Ananda; Sanjaya, Hary; Novel, Dheo Shalsabilla; Izanel, Rezi Ananta; Putri, Natasya Alya; Khaliq, Feni Kurnia; Jannah, Miftahul; Nizar, Umar Kalmar
2025 DOI: 10.24036/periodic.v14i2.130330 Accred : Unknown
Optimasi Desorpsi Kation Pb2+ dari Adsorben Silika Gel-GPTMS (Glycidoxypropyltrimethoxysilane) Termodifikasi Sulfonat dengan Metode Kolom
Departemen Kimia FMIPA UNP Periodic Vol 14, No 2 (2025): PERIODIC56-61
Author Order : 4 of 4
Auzakiyah, Sabella; Oktavia, Budhi; Sanjaya, Hary; Nizar, Umar Kalmar
2025 DOI: 10.24036/periodic.v14i2.133061 Accred : Unknown
Flipped Classroom with Guided Inquiry on Buffer Solutions via Discord: A Study of Learning System Development
Postgraduate, University of Mataram Jurnal Penelitian Pendidikan IPA Vol 11 No 8 (2025): August337-345
Author Order : 4 of 5
Aprilia Silviani Harahap; Mawardi Mawardi; Okta Suryani; Umar Kalmar Nizar; Reza Akmar
2025 DOI: 10.29303/jppipa.v11i8.12350 Accred : Sinta 2
Pengaruh Supporting Electrolyte Pada Penentuan Formaldehida Secara Voltametri Siklik Menggunakan Pencil Lead Electrode (PLE) Modifikasi Lapisan Tipis Perak
Departemen Kimia FMIPA UNP Periodic Vol 13, No 1 (2024): PERIODIC50-54
Author Order : 4 of 4
Putri, Yunisa Anugrah; Sari, Trisna Kumala; Oktavia, Budhi; Nizar, Umar Kalmar
2024 DOI: 10.24036/periodic.v13i1.124516 Accred : Unknown
Sintesis dan Karakterisasi Katalis Karbon Kulit Kolang-Kaling (Arenga Pinnata) Tersulfonasi untuk Produksi Biodiesel Dari Palm Fatty Acid Distillate
Departemen Kimia FMIPA UNP Periodic Vol 13, No 1 (2024): PERIODIC1-5
Author Order : 2 of 2
Simbolon, Ranita; Nizar, Umar Kalmar
2024 DOI: 10.24036/periodic.v13i1.118699 Accred : Unknown
Pemanfaatan Karbon dari Sabut Buah Nipah (Nypa fruticans) untuk Penjernihan Minyak Jelantah
Departemen Kimia FMIPA UNP Periodic Vol 13, No 2 (2024): PERIODIC54-59
Author Order : 7 of 7
Istiqamah, Siti Sarah; Mawardi, Mawardi; Khair, Miftahul; Rahmi, Maulidia Arsyta; Novela, Riana; Pernadi, Niza Lian; Nizar, Umar Kalmar
2024 DOI: 10.24036/periodic.v13i2.125419 Accred : Unknown
View more ...
Get More with SINTA Insight
Go to Insight

Summary

Article Quartile
Research Output
  Scopus GScholar WOS
Article 17 65 0
Citation 75 252 0
Cited Document 12 40 0
H-Index 6 9
i10-Index 4 8
G-Index 1 1
Get More with SINTA Insight

Go to Insight