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Pengoptimuman waktu penyalutan membran PVC dalam pembuatan elektrode selektif ion nitrat
(2015)
Highly concentration of nitrate in environment especially in water can cause health issue. Therefore, nitrate level should be monitored periodically. The presence of nitrate in the water could be detected by ion-selective ...
Pemanfaatan biji alpukat untuk pembuatan arang aktif sebagai adsorben alternatif zat warna pada limbah cair batik
(2015)
Avocado seeds are agricultural waste containing starch that is potential to be used as raw materials for activated carbon. The purpose of this experiment is to produce an activated carbon from avocado seeds and to be applied ...
Analisis Sistem Dinamik Lalu Lintas dengan Model Mobil Pengikut
(2015)
A mathematical model can be formulated to study and solve certain real problem, such as traffic problem. In this manuscript, a nonlinear car-following model that includes a reaction-time delay of drivers in a circular road ...
Pemurnian Silikon Asal Arang Sekam Padi Menggunakan Magnesium dan Gas Nitrogen
(2015)
Rice husk charcoal is an agricultural waste containing 72% silica that is a potential alternative source of silicon. Silicon from silica derived from the husk was purified by reduction using magnesium and subsequently ...
Sintesis Nanopartikel Karbon Berfluoresens dari Jelaga Kerosen dan Fine Coal
(2015)
Carbon nanoparticles (C-dot) are among the materials which have fluorescence ability. C-dot can be synthesized from various materials with high carbon composition. The purposes of this research were to synthesize and ...
Sistem Notifikasi Pemesanan Makanan Berbasis Mikrokontroler Dengan Radio Frequency
(2015)
Food ordering system in Indonesia is still inefficient because there is no tool that can reduce the notification queue and replace the function of servars. This study aims to develop a cheap and simple notification system ...
Uji Toksisitas Ekstrak Etanol Rimpang Temu Putih terhadap Larva Udang dan Embrio Ikan Zebra
(2015)
Curcuma zedoaria, known as temu putih, is commonly used as traditional medicine in Indonesia. The toxicity of this herb needs to be studied to improve its application. This research aims to evaluate the toxicity of the ...
Sintesis Hidroksiapatit dari Cangkang Keong Sawah (Bellamya javanica) dengan Metode Simultan Presipitasi Pengadukan Berganda
(2015)
Hydroxyapatite (HAp) was synthesized using garden snail shell as basic calcium source (Ca(OH)2) and (NH4)2HPO4 as phosphate source. The synthesis was conducted using precipitation double stirring simultaneous method in 4 ...