【摘要】 研究现场快速测定水中氰化物的应急监测方法。运用HANNA C200多参数离子计现场快速测定了水中氰离子,其线性范围为0.001～0.50 mg/L,检出限0.001 mg/L,对测定准确度、精密度进行分析,氰离子测定总变异系数为2.63%,小于5%,回收率在90.6%～95.1%,该法具有快速、简便、准确度高等优点,适于水中氰化物的快速测定。更多还原

【Abstract】 Cyanide in water need be rapidly detected.A simple,rapid method for detecting cyanide in water is described with HANNA C200.The accuracy and precision of the determination are analyzed.The liner range was 0.001 ～ 0.50 mg / L.The average recoveries of cyanide ranged from 90.6% ～ 95.1%.The coefficient of variation is 2.63% which is less than 5%.The result indicate that the method is simple,rapid,accurate and fit for the rapid determination of cyanide in water.更多还原