地面水和地下水中总氮含量的高低 ,标志着水质的污染程度。经典分析法[1] 是采用灭菌器消解 ,操作繁长。具体方法是向试样中加碱性过硫酸钾 5ml,将具塞比色管的盖塞紧后 ,用布及绳等方法扎紧瓶塞 ,将比色管置于医用手提蒸气灭菌器 (或一般压力锅 )中加热 ,使压力表指针至 0 .1 The level of total nitrogen in surface water and groundwater marks the pollution degree of water quality. Classic analysis [1] is the use of sterilizer digestion, long operation. The specific method is to add alkaline potassium persulfate to the sample 5ml, the plug with a plugged colorimetric tube tightly, with cloth and rope and other methods to tie the stopper, the colorimetric tube placed in the medical portable steam sterilizer (Or general pressure cooker) heating, so gauge pointer to 0 .1