A Current Sensing Biosensor for BOD Rapid Measurement

Table 4

The results of typical samples.

Sample	Average BOD (mg L^-1)		Error (%)
	Prototype	BOD5
Domestic sewage	98.3	101.3	-3.0
Printing and dyeing wastewater	99.1	109.7	9.7
Gray water	73.9	75.1	-1.5
Industrial wastewater	248.3	261.4	-5.0