GB/T 20466-2006
Active
GB/T 12157-2022
Active
National standards
GB/T 12157-2022 Determination of dissolved oxygen in water for industrial circulating cooling system and boiler
GB/T 12157-2022 Determination of dissolved oxygen in water for industrial circulating cooling system and boiler
Basic Information
Standard Code:
GB/T 12157-2022
Standard Type:
National standards
Standard Status:
Active
is_force_gb:
no
CCS Name:
Basic standards and general methods for water treatment agents
ICS Name:
\nChemical testing of water
Publish Date:
2022-03-09
Implement Date:
2022-10-01
Publisher:
国家市场监督管理总局、国家标准化管理委员会
Technical Committee:
全国化学标准化技术委员会(SAC/TC 63)
Pages:
12 pages
Scope
本文件描述了工业循环冷却水、锅炉给水、凝结水中溶解氧的测定方法。
本文件中碘量法适用于工业循环冷却水中溶解氧的质量浓度为0.2 mg/L~8 mg/L(以O2计)的测定;内电解法适用于锅炉给水、凝结水中溶解氧的质量浓度2 μg/L~100 μg/L(以O2计)的测定;氧电极法适用于工业循环冷却水、锅炉用水中溶解氧的质量浓度大于0.1 μg/L(以O2计)的测定。
Development Information
Drafting Units:
江苏省特种设备安全监督检验研究院常州分院、中海油天津化工研究设计院有限公司、山东泰和水处理科技股份有限公司、神美科技有限公司、深圳市长隆科技有限公司、上海誉琰科技有限公司、北京工业大学、金华水知音检测有限公司、国网天津市电力公司电力科学研究院、鞍钢栗田(鞍山)水处理有限公司、天津沃川水处理工程技术有限公司、江苏精科霞峰环保科技有限公司、上海仪电科学仪器股份有限公司
Drafting Persons:
胡月新、李琳、姚娅、石伟杰、周智慧、余光丰、赵文渊、陈莎、赵秋玲、姜玲、胡文军、孙振宏、胡政君、许佰功
Replace the following standards
Referenced Standards
GB/T 6682-2008 Water for analytical laboratory use—Specification and test methods
GB/T 601-2002 Chemical reagent Preparations of standard volumetric solutions
GB/T 601-2016 Chemical reagent—Preparations of reference titration solutions
GB/T 603-2002 Chemical reagent—Preparations of reagent solutions for use in test methods
GB/T 603-2023 Chemical reagent—Preparations of reagent solutions for use in test methods
Related Standards
GB/T 21925-2008
Active
GB/T 21925-2008 Determination of herbicide residues in water—LC/MS method
GB/T 29340-2012
Active
GB/T 29340-2012 Analysis of water used in boil and cooling system—Determination of chloride—Ammonium thiocyanate titration method
GB/T 14420-2014
Replaced
GB/T 14420-2014 Analysis of water used in boiler and cooling system—Determination of chemical oxygen demand—Rapid method with potassium dichromate
GB/T 33086-2016
Active
GB/T 33086-2016 Water treatment chemical—Determination of arsenic and mercury—Atomic fluorescence spectrometry
GB/T 12149-2017
Active