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我们在工作实践中 ,根据离子选择电极直接电位法的原理 ,以氰离子选择电极 (以下简称氰电极 )为指示电极 ,以双液接饱和甘汞电极为参比电极对水中氰化物进行了直接测定。实验证明 ,此法简便、快速、准确度和精密度均较高 ,适用于环境卫生中水的氰化物测定。一、实验部分1 仪器
In practice, according to the principle of ion selective electrode direct potential method, cyanide ion-selective electrode (hereinafter referred to as cyan electrode) as the indicator electrode, double-liquid saturated calomel electrode as the reference electrode for direct cyanide in water Determination. Experiments show that this method is simple, rapid, accurate and high precision, suitable for cyanide determination of water in environmental health. First, the experimental part of an instrument