Using Poly-L-Histidine Modified Glassy Carbon Electrode to Trace Hydroquinone in the Sewage Water

Table 1

Result of hydroquinone determination ().

Sample number	Content of 1,4-HQ (mmol/L)	Mean (mmol/L)	UV spectroscopy (mmol/L)
1	1.3482	1.3483	1.3479
	1.3465
	1.3502
2	0.9588	0.9576	0.9513
	0.9562
	0.9579