【摘要】 改进了水体中硫化物吹气装置,同时可测6个样品,并进行了温度、流量、吹气时间等因素对回收率的影响试验,证明改进的硫化物吹气装置具有造价低、回收率高、操作简单、同时可测定多个水样等特点。更多还原

【Abstract】 The blowing device for determining sulfide in water was improved for six samples determination at the same time. The influence factors on recovery such as temperature, airflow and blowing time were studied. The improved blowing device shows high recovery, low costing and easiness to operate.更多还原