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本文以SHDTZ为载体制备苯酚电极,在pH 9～10的NH_3—NH_4Cl缓冲溶液中,30℃时苯酚浓度在9～100μg/ml浓度范围电极呈线性响应,斜率为52±2mV/dec,检测灵敏度为8μg/ml,用于废水中酚含量测定,结果与光度法一致。
In this paper, SHDTZ was used as a carrier to prepare phenol electrode. The linearity of the phenol concentration in the NH_3-NH_4Cl buffer solution at pH 9 ~ 10 was 9 ± 100μg / ml with the slope of 52 ± 2mV / dec at 30 ℃. The detection sensitivity 8μg / ml, for the determination of phenol content in wastewater, the result is consistent with the spectrophotometry.