GB/T 18570.9-2025 Active National standards

GB/T 18570.9-2025 Preparation of steel substrates before application of paints and related products—Tests for the assessment of surface cleanliness—Part 9:Field method for the conductometric determination of water-soluble salts

Publish Date: 2025-08-01 Implement Date: 2026-02-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

Basic Information

Standard Code: GB/T 18570.9-2025

Standard Type: National standards

Standard Status: Active

is_force_gb: no

CCS Name: Material protection

ICS Name: Pre-treatment of the surface

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: 全国涂料和颜料标准化技术委员会(SAC/TC 5)

Pages: 16 pages

Scope

本文件描述了一种在表面处理前后，通过现场电导率的测定来评定钢材表面多种水溶性盐的总表面浓度的方法。
本文件不适用于测定单独的氯化物、硫酸盐或钠盐等的表面浓度。
本文件仅适用于评定代表大部分与水接触时形成电解质（离子)的杂质。

Development Information

Drafting Units:

中国船舶集团有限公司第十一研究所、中国船舶集团有限公司综合技术经济研究院、上海外高桥造船有限公司、沪东中华造船(集团)有限公司、中海油常州涂料化工研究院有限公司、水利部交通运输部国家能源局南京水利科学研究院、淄博大亚金属科技股份有限公司、上海暄洋化工材料科技有限公司、上海应用技术大学

Drafting Persons:

盛楠、牛建民、刘涛、刘伟、程阳、霍晟、贾恒涛、穆志超、彭菊芳、孙红尧、吴烨、韩超、孙新刚、汪国庆、张茗皓、尹文杰、张瑞鹏、彭礼军、石羽泽、方炜

Word Count: 17 Thousand words Pages: 16 pages

Replace the following standards

GB/T 18570.9-2005 Preparation of steel substrates before application of paints and related products—Tests for the assessment of surface cleanliness—Part 9:Field method for the conductometric determination of water-soluble salts

Referenced Standards

ISO 3696 ISO 8502-6

Adopt standards

ISO 8502-9:2020

Related Standards

GB/T 18570.2-2001 Replaced

GB/T 18570.2-2001 Preparation of steel substrates before application of paints and related products—Tests for the assessment of surface cleanliness—Laboratory determination of chloride on cleaned surfaces

Publish Date: 2001-12-13

GB/T 18570.4-2001 Active

GB/T 18570.4-2001 Preparation of steel substrates before application of paints and related products—Tests for the assessment of surface cleanliness—Guidance on the estimation of the probability of condensation prior to paint application

Publish Date: 2001-12-13

GB/T 6807-2001 Active

GB/T 6807-2001 Specifications for phosphating treatment of iron and steel parts before painting

Publish Date: 2001-12-17

GB/T 17850.1-2002 Replaced

GB/T 17850.1-2002 Preparation of steel substrates before application of paints and related products—Specifications for non-metallic blast-cleaning abrasives—General introduction and classification

Publish Date: 2002-09-13

GB/T 18838.1-2002 Active

GB/T 18838.1-2002 Preparation of steel substrates before application of paints and related products—Specifications for metallic blast-cleaning abrasives—General introduction and classification

Publish Date: 2002-09-13

GB/T 18839.1-2002 Active

GB/T 18839.1-2002 Preparation of steel substrates before application of paints and related products—Surface preparation methods—General principles

Publish Date: 2002-09-13