The server is under maintenance between 08:00 to 12:00 (GMT+08:00), and please visit later.
We apologize for any inconvenience caused
Login  | Sign Up  |  Oriprobe Inc. Feed
China/Asia On Demand
Journal Articles
Laws/Policies/Regulations
Companies/Products
Bookmark and Share
Comparison and Analysis on Determination Methods of Sulphur Dioxide in Exhausted Gas from Chemical Pollution Sources
Author(s): 
Pages: 127-129
Year: Issue:  11
Journal: Environmental Science and Management

Keyword:  化工污染源定电位电解法碘量法二氧化硫;
Abstract: 在化工污染源废气排放监测工作中,二氧化硫作为中国的主要减排指标,为准确核定污染源中二氧化硫的排放量,二氧化硫监测的准确性就显得尤为重要.目前检测二氧化硫浓度的方法主要包括化学法和仪器法,化学法有碘量法和甲醛缓冲液吸收-盐酸副玫瑰苯胺分光光度法;仪器法有紫外吸收法、自动滴定碘量法、定电位电解法、非分散红外吸收法和溶液电导率法,仪器为便携式,可以直接测出浓度,使用方便.文章研究了用定电位电解法与碘量法对化工污染源废气中二氧化硫测定的对比.通过试验结果分析,两种方法均具有较好的精密度;对两种方法测定结果进行t检验,结果表明两种方法的测定结果无显著性差异.
Related Articles
No related articles found