Search
Now showing items 1-10 of 11
PENGGUNAAN SPEKTROFOTOMETER UV DAN HPLC PADA ANALISIS KANDUNGAN KAFEIN KOPI ARABIKA DAN ROBUSTA
(Jurnal Atomik, 2020-06)
Analysis of caffeine content in Arabica coffee and Robusta coffee using Ultra Violet (UV)spectrophotometersand High Performance Liquid Chromatography (HPLC)was carried out. Coffee samples were ...
PEMANFAATAN BIJI WANYI (Mangifera caesia Jack.) DALAM PEMBUATAN ETANOL SECARA HIDROLISIS ENZIMATIS DAN FERMENTASI MENGGUNAKAN Saccharomyces cerevisiae
(Jurnal Atomik, 2020-08)
Abstract : The utilization of wanyi seeds (Mangifera caesiaJack.) in making ethanol by enzymatic hydrolysis and fermentation using Saccharomyces cerevisiaehas been carried out. The method used is the hydrolysis ...
PENGARUH VARIASI WAKTU TERHADAP XILENA MENGGUNAKAN KARBON AKTIF DARI LIMBAH BATANG PISANG (Musa paradisiaca L)
(Jurnal Atomik, 2020-07)
Test of activated carbon adsorption ability of banana stem waste (Musa paradisiacaL) on xylene has been carried out. In the characterization of activated carbon Scanning Electron Microscopy (SEM) was used to show the ...
Analisis kadar logam Pb, Cd, Cu, As pada air, sedimen dan bivalvia di Pesisir Teluk Balikpapan
(Dinamika Lingkungan Indonesia, 2020-07)
Abstract : Analysis of Heavy Metal Content of Pb, Cd, Cu, As in Water, Sediments and Bivalves in Coastal Waters of
Balikpapan Bay. The study aims to analyze the levels of heavy metals (Pb, Cd, Cu, As) in water, sediment ...
PEMBUATAN ETANOL DARI UMBI SUWEG (Amorphophallus campanulatus BI.) OLEH Saccharomyces cerevisiae DENGAN PENAMBAHAN NUTRISI NPK
(Jurnal Atomik, 2020-03)
Research of ethanol made from suweg tuber flour (Amorphophallus campanulatusBI.) withtheaddition of NPK as nutrition Saccharomyces cerevisiae, has been done. The ethanol making process consists of hydrolysis, ...
PEMANFAATAN SERBUK KIAMBANG (Salvinia molesta) SEBAGAI ADSORBEN Fe(II) DAN Mn(II)
(Jurnal Atomik, 2020-03)
Research on utilization of Kiambang powder (Salvinia molesta) as adsorbent Fe (II) and Mn (II)in artificial samples. The method used is adsorption with a modified activated adsorbent. From the results of the study obtained ...
Identifikasi Batuan PAF, NAF dan UNCERTAIN dengan Menggunakan Metode NTAPP Pada Area PT. Trubaindo Coal Mining, Melak-Kalimantan Timur
(Indonesian Journal of Chemical Research, 2020-01)
ABSTRACT : The research about identification of PAF, NAF and uncertain rock using NTAPP method in the PT. Trubaindo
Coal Mining has been done. This research was conducted as an effort to control the potential for the ...
PENURUNAN KONSENTRASI FENOL PADA AIR LAUT BALIKPAPAN YANG TERCEMAR MINYAK MENGGUNAKAN METODE ADSORPSI
(Jurnal Atomik, 2020)
Research on decreasing of phenol concentration in the Balikpapan seawater polluted by using the adsorption method, the purpose of this study was to determine the characteristics of activated carbon and adsorption percentto ...
Isolasi dan Identifikasi Steroid dari Ekstrak N-Heksana Daun Afrika (Vernonia amygdalina Del.)
(KOVALEN : Jurnal Riset Kimia, 2020-04-09)
ABSTRACT : Isolation and identification of steroids from the n-hexane fraction of Vernonia amygdalina Del. was
carried out. Separation and purification were performed using flash chromatographic and gravity
chromatography. ...