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BIOAKUMULASI 137CS OLEH KEONG MAS (POMACEA CANALICULATA) DENGAN METODE KOMPARTEMEN TUNGGAL | Yandra | Jurnal Teknologi Pengelolaan Limbah

BIOAKUMULASI 137CS OLEH KEONG MAS (POMACEA CANALICULATA) DENGAN METODE KOMPARTEMEN TUNGGAL

Arief Yandra, Heny Suseno, Syafni Syafni

Sari


BIOAKUMULASI 137CS OLEH KEONG MAS (POMACEA CANALICULATA) DENGAN METODE KOMPARTEMEN TUNGGAL. Pengujian kemampuan bioakumulasi 137 Cs oleh keong mas (P. canaliculata) dilakukan dengan menggunakan metode kompartemen tunggal. Proses bioakumulasi 137 Cs merupakan lepasan yang mungkin terjadi dari fasilitas nuklir yang ada di Serpong sehingga perlu dimodelkan secara realistis mendekati kondisi lingkungan di sekitarnya. Keong mas (P. canaliculata) adalah jenis keong yang banyak hidup di kolam, sawah beririgasi dan kanal. Keong mas (P. canaliculata) digunakan sebagai organisme untuk pengukuran kontaminan 137 Cs. Untuk memahami bioakumulasi 137 Cs oleh keong mas (P. canaliculata) dilakukan penelitian kinetika pengambilan dan pelepasan 137 Cs dari air tawar dalam kondisi laboratorium dengan berbagai ukuran serta pengaruh kalium dan natrium dalam proses bioakumulasi 137 Cs. Hasil eksperimen menunjukkan faktor biokonsentrasi (BCF) pada berbagai ukuran 4,2 ; 3,9 dan 2,9 cm adalah 7,37; 43,49 dan 2,67 ml.g -1 . Ion kalium dan natrium memberikan pengaruh dalam bioakumulasi 137 Cs oleh Keong mas (P. canaliculata). Sebagian besar 137 Cs terdistribusi dalam jaringan lunak jika dibandingkan dengan bagian cangkang. Kata kunci: bioakumulasi, P. canaliculata, 137 Cs THE BIOACCUMULATION OF 137CS BY SNAIL (P. CANALICULATA) WITH SINGLE COMAPRTMENT METHOD. The research of bioaccumulation ability of 137Cs by Snail (P. canaliculata) has been done by single compartment method. The bioaccumulation process of 137Cs is probably the outcome which came from nuclear facility in Serpong, so it needs a suitable modeling with the surrounding environment. P. canaliculata is a snail species which dominantly live in ponds, irrigated field and canal. P. canaliculata is used as an organism in measuring 137Cs contaminant. Determination of the uptake and intake of 137Cs from freshwater in laboratory condition with many variabels and the effect of potassium and sodium in bioaccumulation process of 137Cs is needed to understand the 137Cs bioaccumulation by P. canaliculata. The experiment result shows the bioconcentration factor (BCF) in many variabels 4,2; 3,9 dan 2,9 cm ; were 7,37; 43,49; and 2,67 ml.g-1. Potassium and sodium gave effect in bioaccumulation of 137Cs by P. canaliculata. Compared to the shell, most of 137Cs was distributed in the soft tissue of P. Canaliculata. Keywords: Bioaccumulation, P. canaliculata, 137Cs

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