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INDONESIA
Buletin Kimia
Published by Institut Pertanian Bogor
ISSN : -     EISSN : -     DOI : -
Core Subject : Science, Engineering,
Chemical Engineering, Chemistry & Bioengineering Chemistry
Buletin Kimia mempublikasikan naskah dalam bahasa Indonesia dan Inggris di semua bidang yang berkaitan dengan kimia. Naskah dapat berupa laporan terbaru hasil penelitian, penjelasan metode penelitian yang baru, atau pengertian baru dari hasil yang telah ada. Sumbangan teoretis terbaru dapat juga disamakan dengan naskah hasil penelitian. Semua hasil yang ditampilkan dalam naskah sepatutnya lebih mendukung konsep kimia daripada pelaporan fakta. Interpretasi dari kebijakan di atas merupakan wewenang redaksi yang akan memutuskan apakah suatu ajuan naskah memenuhi kriteria atau tidak.
Arjuna Subject : -
Articles 3 Documents
 1 
Search results for , issue "Vol 2 No 1 (2002): Buletin Kimia" : 3 Documents clear
The Air Polution and Noise Of diesel Energy Source (Cases Study In PLTD Kota Bitung Sulawesi Utara) B. Limbong Tampang
Indonesian Chemistry Letter Vol 2 No 1 (2002): Buletin Kimia
Publisher : Department of Chemistry

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (530.384 KB) | DOI: 10.29244/bk.2.1.24-27

Abstract

The aims of this are to find out: 1) The air pollution level a result of the diesel energy source activity. 2) the noise level as a result of the diesel energy source activity. The research was conducted in PLTD Kota Bitung Propinsi Sulawesi Utara. The data was colected from February to June 1999.
Biology Reduction of Coffee Industry Waste Using Eisenia foetida Earthworms June Mellawati
Indonesian Chemistry Letter Vol 2 No 1 (2002): Buletin Kimia
Publisher : Department of Chemistry

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (675.581 KB) | DOI: 10.29244/bk.2.1.28-34

Abstract

Biology reductions of coffee residue, waste from PT. Torabika industry, Tangerang using earthworm have been carried out. The aim of experiment is to know the ability of earthworm to decompose the waste become verrnicompost and to evaluate it quality. The experiment was used earthworms Eisenia foetida species and 25 - 75 % of cow manure as a medium mixture. The result showed that the structure of vermicomost is soft andblack colors with cation capacity is 17.49 - 21.32 megll00. The mineral content were determined using X-ray Fluorescence Spectrometer (XRF), UV-Vis Spectrophotometer and Kjeldahl, the result showed that the concentrations of N are 0.93 - 0.94 %, CI N 11.26 - 15, K 6.64 - 6.95 %, Ca 12.1 - 17.3 %, P 0.09 - 0.16 %, Mn 0.11 - 0.19 %, Fe 2,01 - 2,69 %, Zn 538 - 779 mgl kg. The earthworm biomass was increased until thirdweeks of vermicomposting.
Inhibitory Mechanisms Of Maillard Reaction Products Laksmi Laksmi; H. M. Mochtar
Indonesian Chemistry Letter Vol 2 No 1 (2002): Buletin Kimia
Publisher : Department of Chemistry

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (695.035 KB) | DOI: 10.29244/bk.2.1.19-23

Abstract

To determinine the inhibitory mechanism of antibacterial Maillard reaction products (PRM), heated mixtures containing GL (glukosa-tisin) and TU (molasses-urea) were were studied fcx their effect on uptake oxygen and iron solubility. It was found that the tested PRM had an inhibitory effect on the uptake of oxygen was observed. The PRM also had an effect on the solttbirity of iron in nutrient broth and in phosphate buffer. While the GL mixturereduced the solubility of iron it was increased by the TU mixture.

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