Asep Bayu Dani Nandiyanto, Risti Ragadhita, Ade Gafar Abdullah, Farid Triawan, Gagus Ketut Sunnardianto, Muhammad Aziz
The purpose of this study was to evaluate the feasibility of the production of low-cost and portable Arduino-based spectrophotometer with white LED as a light source for analysing solution concentration. This spectrophotometer can be used for educational purposes in developing country. The experimental method was done in the engineering and economic evaluation perspectives. The engineering analysis was performed using a simple mass balance analysis, whereas the economic evaluation was conducted using several economic parameters, including gross profit margin, payback period, and net present value. To support the analysis, data including price, utilizing components, and specifications for apparatuses, as well as raw materials, were taken based on available online shopping webs. All calculations were done under the ideal condition for 20 years of production. The engineering result confirmed that the project was potentially applied in the small-scale industry because all processing steps can be done using simple and commercially available equipment in the market. The economic evaluation results showed positive values for all economic parameters with several exceptions. The study is also completed with several basic theories for supporting the definition of spectrophotometer focused in this study. © School of Engineering, Taylor’s University.
Departemen Kimia, Universitas Pendidikan Indonesia, Jl. Dr. Setiabudi no 229, Bandung, 40154, Indonesia; Departemen Pendidikan Teknik Elektro, Universitas Pendidikan Indonesia, Jl. Dr. Setiabudi no 229, Bandung, 40154, Indonesia; Faculty of Engineering and Technology, Sampoerna University, Jl. Raya Pasar Minggu, Kav 16, Jakarta, Indonesia; Research Center for Chemistry, Indonesian Institute of Sciences, kawasan PUSPIPTEK, building 452, Serpong, Tangerang Selatan, 15314, Banten, Indonesia; Institute of Industrial Science, The University of Tokyo, 4-6-1 Komaba, Meguro-ku, Tokyo, 153-8505, Japan
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