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PENENTUAN NILAI KALORI DETRITUS HUTAN MANGROVE DENGAN MENGGUNAKAN BOMB CALORIMETER Andi, Pos; ', Sugianto; Emrinaldi, Tengku
Jurnal Online Mahasiswa (JOM) Bidang Matematika dan Ilmu Pengetahuan Alam Vol 1, No 2 (2014): Wisuda Oktober 2014
Publisher : Jurnal Online Mahasiswa (JOM) Bidang Matematika dan Ilmu Pengetahuan Alam

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Abstract

A  research  has  been conducted to determine a  calorie  quality    of mangrove detritus using Bomb  Calorimeter. The measurements  were carried out in  order to measure the physical parameters,  such as water content,  concentration of  ash, amount  of sulfur, and calorie content. Each sampel was treated on the same pressure and volume. The sampleswere taken from Dumai city on five different regions. Quality test  to the  samples resulted calorie content of 4.185 cal/g, the degree of water of 14,29 %, the  degree of ash of 4.48 % and the amount of sulfur of 0,03  %  for sample of point A.  Meanwhile for point B, C, D, and E, the value of calorie content, degree of water, degree of ash, and degree of sulfur were 4.195 cal/g, 4.139 cal/g, 4.164 cal/g, and 4.002 cal/g,  13,90 %, 14,30 %, 13,10 %,  and 13, 80 %, 4,84 %, 5,45 %, 4,59 %, and 6,10 %, and 0,11 %, 0,11 %, 0,15 %,  and  0,19 %, respectively . Among the four  physical parameters, calorie content is the most  important parameter to indicate the quality of detritus of mangrove. Based on the obtained data, the sample  of point B was the best sample  because of its highest calorie content compared to the other samples.