Published: August 11, 2018

Research Articles

Cover

Editor Eksakta (1)
(1) Universitas Islam Indonesia
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303

Saccharin Extraction And Analysis Of Drug And Food Samples By Derivative Ultraviolet (UV) Spectrophotometry

10.20885/eksakta.vol18.iss2.art1
Sarwendah Ratnawati Hermanto (1), Roto Roto (2), Agus Kuncaka (3)
(1) Politeknik Negeri Ketapang ,
(2) Universitas Gadjah Mada, Jalan Sekip Utara Bulaksumur, Yogyakarta, telp. (0274)545188 ,
(3) Universitas Gadjah Mada, Jalan Sekip Utara Bulaksumur, Yogyakarta, telp. (0274)545188
85-96
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1226

Analysis of Factors Affecting the Human Development Index in West Kalimantan Province using Data Panel Data Regression

10.20885/eksakta.vol18.iss2.art2
Uray Hety Humaira (1), Jaka Nugraha (2)
(1) Statistics Department, FMIPA, Islamic University of Indonesia ,
(2) Statistics Department, FMIPA, Islamic University of Indonesia
97-105
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792

Model Analysis of Motorcycle Suspension System Using the Fourth Order of Runge-Kutta Method

10.20885/eksakta.vol18.iss2.art3
Umi Nurofi’atin (1), Agus Maman Abadi (2)
(1) Jurusan Matematika, FMIPA Universitas Negeri Yogyakarta, Yogyakarta, 55281, Telp (0274)550846 ,
(2) Jurusan Matematika, FMIPA Universitas Negeri Yogyakarta, Yogyakarta, 55281, Telp (0274)550846
106-120
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2020

Green Catalysts Activities of CaO Nanoparticles from Pinctada maxima Shell on Alcoholysis Reaction

10.20885/eksakta.vol18.iss2.art4
Kendri Wahyuningsih (1), Jumeri Jumeri (2), Wagiman Wagiman (3)
(1) Center for Agricultural Postharvest Research and Development, Ministry of Agriculture Jl. Tentara Pelajar No.12, Cimanggu, Bogor, Jawa Barat 16124 ,
(2) Department of Agroindustrial Technology, University of Gadjah Mada Jl. Flora No. 1, Bulaksumur, Caturtunggal, Depok, Sleman, Yogyakarta 55281 ,
(3) Department of Agroindustrial Technology, University of Gadjah Mada Jl. Flora No. 1, Bulaksumur, Caturtunggal, Depok, Sleman, Yogyakarta 55281
121-136
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810

Rapid Analysis of Adulterated Dexamethasone in Joint-Pain Killer Traditional Herbal Medicine (THM) Using Infrared Spectroscopy

10.20885/eksakta.vol18.iss2.art5
Ardi Nugroho (1), Fany Devita Ritonga (2)
(1) Pharmacy Department, Universitas Islam Indonesia, Yogyakarta, 55582, 085192982951 ,
(2) Pharmacy Department, Universitas Islam Indonesia, Yogyakarta, 55582, 085192982951
137-145
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946

Forecasting The Exchange Rate (IDR) of US Dollar (USD) Using Locally Stationary Wavelet

10.20885/eksakta.vol18.iss2.art6
Dina Tri Utari (1)
(1) Program Studi Statistika, FMIPA, Universitas Islam Indonesia, Yogyakarta
145-154
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1100

Protoporphyrin IX Extraction from Quail Eggshell (Cortunix cortunix) and Its Complexity with Zn(II)

10.20885/eksakta.vol18.iss2.art7
A. Rindang Anggit Laksono (1), Yohanes Martono (2), Cucun Alep Riyanto (3)
(1) Program Studi Kimia, Fakultas Sains dan Matematika, Universitas Kristen Satya Wacana ,
(2) Program Studi Kimia, Fakultas Sains dan Matematika, Universitas Kristen Satya Wacana ,
(3) Program Studi Kimia, Fakultas Sains dan Matematika, Universitas Kristen Satya Wacana
155-166
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430

Comparison the Error Rate of Autoregressive Distributed Lag (ARDL) and Vector Autoregressive (VAR) (Case study: Forecast of Export Quantities in DIY)

10.20885/eksakta.vol18.iss2.art8
Dewi Kusuma Ningrum (1), Sugiyarto Surono (2)
(1) Faculty of Mathematics and Natural Sciences, Universitas Ahmad Dahlan ,
(2) Faculty of Mathematics and Natural Sciences, Universitas Ahmad Dahlan
167-177
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711

Appendix

Editor Eksakta (1)
(1) Universitas Islam Indonesia
PDF
186