GLUTATHIONE STUDY AS BIOAKUMULATOR Cd2+ and Cr6+ by PHYTOPLANKTON TETRASELMIS CHUII

Muhammad Sjahrul

Abstract


This study aims to assess the feasibility of the addition of glutathione as bioakumulator Cd2+ and Cr6+ by Phytoplankton Tetraselmis Chui. Analytical methods used were atomic absorption spectrophotometer (AAS and infrared (IR). Results showed optimum growth time is 10 days. Maximum concentration of Cd2+ and Cr6+ can be tolerated (MTC) by phytoplankton T. Chuii are respectively 0.2 ppm . concentration of glutathione which affect the concentration of Cd2+ and Cr6+ can be tolerated (MTC) by T. Chuii are respectively 0.5 ppm and 0.4 ppm. Functional groups involved in the process of bioaccumulation of Cd2+ on T. Chuii is C-Cl ,-NH, C = O, CO, CH, CN, HO-C = N, CC, C = O, C ≡ N, and SH. To Cr6+ is SO42-, NO, C = O, C-Cl, CN, S (= O) 2 and OH. Effects of addition of glutathione to enhance the ability of Cd2+ bioaccumulation by T. Chuii, but lowers bioaccumulation of Cr6+.


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ISSN : 2251-1563