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污水中氰化物的测定是环境分析与监测的重要项目之一。按照我国城乡建设环境保护部环境保护局1983年颁布的统一分析方法(即预蒸馏-异烟酸-吡唑啉酮比色法),测定一批样品至少需一个半小时。操作耗时费事。取样量需200ml。作者将气
Determination of cyanide in sewage is one of the important projects in environmental analysis and monitoring. According to China’s urban and rural construction and Environmental Protection Agency Environmental Protection Agency promulgated in 1983, a unified analytical method (ie, pre-distillation - isonicotinic acid - pyrazolone colorimetric method), a number of samples measured at least an hour and a half. Time-consuming operation. Sampling volume to be 200ml. The author will be angry