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)
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....
Main Authors: | , , , |
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Format: | Article |
Language: | zho |
Published: |
Zhejiang University Press
2001-07-01
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Series: | Zhejiang Daxue xuebao. Lixue ban |
Subjects: | |
Online Access: | https://doi.org/zjup/1008-9497.2001.28.4.428-433 |