GB/T 17518-1998
Replaced
GB/T 3051-2025
Active
National standards
GB/T 3051-2025 General methods for the determination of chloride content in inorganic chemical products—Mercurimetric method and ion chromatography method
GB/T 3051-2025 General methods for the determination of chloride content in inorganic chemical products—Mercurimetric method and ion chromatography method
Basic Information
Standard Code:
GB/T 3051-2025
Standard Type:
National standards
Standard Status:
Active
is_force_gb:
no
CCS Name:
Inorganic chemical raw materials
ICS Name:
Comprehensive Inorganic Chemistry
Publish Date:
2025-08-01
Implement Date:
2026-02-01
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:
16 pages
Scope
本文件给出了无机化工产品中氯化物含量测定的汞量法和离子色谱法的一般规定、试剂或材料、仪器设备，描述了无机化工产品中氯化物含量测定的汞量法和离子色谱法的原理、试验步骤、试验数据处理以及精密度和回收率。
本文件适用于汞量法和离子色谱法测定无机化工产品中氯化物含量。汞量法测定氯化物（以Cl计)含量为0.01 mg～80 mg的试样，当使用的硝酸汞标准溶液浓度小于0.02 mol/L时，滴定在乙醇溶液中进行；离子色谱法测定范围（质量分数)为0.000 1%～1%。
Development Information
Drafting Units:
浙江大洋生物科技集团股份有限公司、浙江华友钴业股份有限公司、湖北兴发化工集团股份有限公司、宁夏瑞泰科技股份有限公司、河南心连心化肥检测有限公司、多氟多新材料股份有限公司、华融化学(成都)有限公司、湖北宜化化工科技研发有限公司、中海油惠州石化有限公司、镇江市富来尔制冷工程技术有限公司、金盛海洋科技股份有限公司、青海恒域丰盐化产业(集团)有限责任公司、青岛盛瀚色谱技术有限公司、浙江天石纳米科技股份有限公司、中海油天津化工研究设计院有限公司
Drafting Persons:
王国平、李艳、刘丽、范长春、朱止利、史小洁、陈太辉、方小娟、任树来、王庆波、张大腾、刘子坤、张锦梅、徐静怡、弓创周、胡滨、李刚、王华、罗彦莉、师若欣、马振发、刘畅、雷延桂、安晓英、丁灵
Replace the following standards
Referenced Standards
GB/T 6379.2-2004 Accuracy(trueness and precision)of measurement methods and results—Part 2:Basic method for the determination of repeatability and reproducibility of a standard measurement method
GB/T 6682-2008 Water for analytical laboratory use—Specification and test methods
GB/T 31197-2014 Inorganic chemicals for industrial use—Determination of impurity anions—Ion chromatography method
HG/T 3696.1-2011 Inorganic chemical products for chemical analysis: Preparation of standard solutions, preparations, and products - Part 1: Preparation of standard titration solutions
HG/T 3696.1-2002 Preparation of standard titration solution for chemical analysis of inorganic chemical products
HG/T 3696.2-2011 Inorganic chemical products - Preparation of standard solutions, preparations and articles for chemical analysis - Part 2: Preparation of impurity standard solutions
HG/T 3696.2-2002 Preparation of Standard Solutions for the Chemical Analysis of Inorganic Chemical Products with Impurities
HG/T 3696.3-2011 Inorganic chemical products for chemical analysis - Preparation of standard solutions, preparations, and articles - Part 3: Preparation of preparations and articles
HG/T 3696.3-2002 The preparation of preparations and products used for chemical analysis of inorganic chemical products
GB/T 31197-2026 Inorganic chemicals for industrial use—Determination of impurity ions—Ion chromatography method
Related Standards
GB/T 19281-2003
Replaced
GB/T 19281-2003 Analytic method for calcium carbonate
GB/T 19282-2003
Replaced
GB/T 19282-2003 Analytic method for lithium hexafluorophosphate
GB/T 21057-2007
Active
GB/T 21057-2007 Inorganic chemicals for industrial use—General method for determination of fluorine content—Ion selective electrode method
GB/T 21058-2007
Active
GB/T 21058-2007 Inorganic chemicals for industrial use—General method for mercury content—Flameless atomic absorption spectrometric method
GB/T 21354-2008
Active