GB/T 3143-1982
Active
GB/T 14636-2021
Active
National standards
GB/T 14636-2021 Determination of calcium and magnesium in industrial circulating cooling water and scale—Atomic absorption spectrometric method
GB/T 14636-2021 Determination of calcium and magnesium in industrial circulating cooling water and scale—Atomic absorption spectrometric method
Basic Information
Standard Code:
GB/T 14636-2021
Standard Type:
National standards
Standard Status:
Active
is_force_gb:
no
CCS Name:
Basic standards and general methods for water treatment agents
ICS Name:
Chemical analysis
Publish Date:
2021-08-20
Implement Date:
2022-03-01
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水处理剂分技术委员会(SAC/TC 63/SC 5)
Pages:
9 pages
Scope
本文件规定了工业循环冷却水中钙、镁含量及锅炉水系统或循环水系统的水垢中钙、镁含量的测定方法--原子吸收光谱法。本文件适用于工业循环冷却水中钙含量为0.5 mg/L~75 mg/L、镁含量为0.1 mg/L~50 mg/L的测定,水垢中钙含量≥0.005%、镁含量≥0.005%的测定。本文件也适用于其他各种工业用水、原水和用水系统的水垢中钙、镁含量的测定，以及工业循环冷却水用磷锌预膜液中钙含量的测定。
Development Information
Drafting Units:
宁波市特种设备检验研究院、深圳市特种设备安全检验研究院、江苏富淼科技股份有限公司、中海油天津化工研究设计院有限公司、天津大学、湖南省特种设备检验检测研究院、安徽省特种设备检测院、天津沃川水处理工程技术有限公司、浙江水知音检测有限公司
Drafting Persons:
谭蓬、张居光、李平、吴丹红、赵静波、李琳、晋兴华、章小东、戴恩贤、朱春莲、邵宏谦
Replace the following standards
Referenced Standards
GB/T 6682-2008 Water for analytical laboratory use—Specification and test methods
GB/T 602-2002 Chemical reagent—Preparations of standard solutions for impurity
GB/T 4470-1998 Analytical spectroscopic methods—Flame emission, atomic absorption and atomic fluorescence—Vocabulary
DL/T 1151.2-2012 Combustion Plant Scale-up and Corrosion Product Analysis Method - Part 2: Sampling and Processing of Samples for Scale and Corrosion Products
HG/T 3530-2012 Collecting and preparing samples of sludge and corrosion products from industrial circulating cooling water
HG/T 3530-2003 Investigation, collection, and preparation of samples of industrial circulating cooling water scale and corrosion products
GB/T 602-2026 Chemical reagent—Preparations of standard solutions for impurity
Adopt standards
ISO 7980:1986
Related Standards
GB/T 4472-1984
Replaced
GB/T 4472-1984 General rule for determination of density and relative density for chemical products
GB/T 4946-1985
Replaced
GB/T 4946-1985 Terms of gas chromatography
GB/T 5274-1985
Replaced
GB/T 5274-1985 Gas analysis—Preparation of calibration gas mixtures—Weighing methods
GB/T 5831-1986
Replaced
GB/T 5831-1986 Determination of trace oxygen in the gases—Colorimetric method
GB/T 5832.2-1986
Replaced