Closed reflux spectrophotometric method for chemical oxygen demand test(闭管回流分光光度法测定化学需氧量的方法研究)

Affiliations

GUANBao-hong(官宝红): Department of Enevironmental Science and Engineering, Zhejiang Univfrsity, Hangzhou 310027, China(浙江大学环境科学与工程系，浙江　杭州　310027)
WUZu-cheng(吴祖成): Department of Enevironmental Science and Engineering, Zhejiang Univfrsity, Hangzhou 310027, China(浙江大学环境科学与工程系，浙江　杭州　310027)
XUGen-liang(徐根良): Department of Enevironmental Science and Engineering, Zhejiang Univfrsity, Hangzhou 310027, China(浙江大学环境科学与工程系，浙江　杭州　310027)
CHENXue-ming(陈雪明): Department of Enevironmental Science and Engineering, Zhejiang Univfrsity, Hangzhou 310027, China(浙江大学环境科学与工程系，浙江　杭州　310027)

Abstract

采用闭管回流分光光度法测定水样的化学需氧量，与标准回流法测定结果相与一致，方法的准确度和精确度符合测试要求.试剂用量少、成本低、无需滴定、操作简便，易实现数据在线处理.尤其适合室内外批量测试.文中考察了影响测试结果的因素，确立了试剂配制方法和操作程序.

ISSN: 1008-9497 (Print)
Publisher: Zhejiang University Press
Country of publisher: China
LCC subjects: Science: Mathematics: Instruments and machines: Electronic computers. Computer science; Science: Physics
Website: https://www.zjujournals.com/sci/EN/1008-9497/home.shtml