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KMID : 0385519950080030335
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Analytical Science & Technology
1995 Volume.8 No. 3 p.335 ~ p.340
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Automatic On-line BOD Measurement System Using A Microbial Membrane Electrode
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Oh Hyuk
Kim Hai-Dong
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Abstract
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Automatic biochemical oxygen demand(BOD) measurement system has heen developed using a microbial membrane electrode, prepared from Bacillus subtilis and polyvinyl alcohol(PVA). The automatic BOD measurement system showed a linear response curve up to BOD 60 ppm using a glucose/glutamic acid standard solution, and all the BOD measurement processes are carried out automatically to calculate BOD whithin 10 min after each sample injection. The response times of the microbial electrode was 5 minutes with a 5 min recovery time between measurements and the relative error of the BOD estimation was within 10%
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KEYWORD
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BOD, Microbial membrane Electrode, Biosensor, Wate
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