摘要
CODcr作为评价有机物污染的重要指标 ,高氯及无机还原性耗氧物质是影响 CODcr测试结果准确性的主要干扰因素。提出用 0 .1 mol/ L的 K2 Cr2 O7为氧化剂 ,Hg SO4 为掩蔽剂并辅以空白扣除法消除高氯的影响 ;用酸化吹气法去除 S2 - 等无机还原物质的影响。所用方法科学准确 ,测定结果可靠。
In this paper,by CODcr as organic pullutants indexes,based on decontaminaeion interference methods on High chlorine and inorganic reduction materials By the oxidants concertration of K 2Cr 2O 7 is 0 1mol/L, the masking agents is HgSO 4 and the method of removed background, may deontaminated interference of high chlorine, with the method of acidify and blow take off removed inorgadic reduetion materials(s) This method has good reprdacibility and reliability
出处
《中国环境监测》
CAS
CSCD
北大核心
2000年第4期39-40,共2页
Environmental Monitoring in China
