GB/T 223.6-2025 Active National standards

GB/T 223.6-2025 Iron,steel and alloy—Determination of boron content—Neutralization titrimetric method and spectrophotometric method

GB/T 223.6-2025 Iron,steel and alloy—Determination of boron content—Neutralization titrimetric method and spectrophotometric method

Publish Date: 2025-08-29 Implement Date: 2026-03-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

Basic Information

Standard Code: GB/T 223.6-2025

Standard Type: National standards

Standard Status: Active

is_force_gb: no

CCS Name: Analysis methods for steel and iron alloys

ICS Name: Black metal comprehensive

Publish Date: 2025-08-29

Implement Date: 2026-03-01

Publisher: 国家市场监督管理总局、国家标准化管理委员会

Technical Committee: 全国钢标准化技术委员会(SAC/TC 183)

Pages: 28 pages

Scope

本文件描述了用中和滴定法和姜黄素分光光度法测定钢铁及合金中硼含量的方法。
本文件各方法适用范围为：方法一中和滴定法适用于高硼不锈钢中0.50%～2.00%硼含量的测定；方法二甲醇蒸馏-姜黄素光度法适用于碳钢、合金钢、高温合金及精密合金中质量分数为0.000 5%～0.20%硼含量的测定；方法三姜黄素直接光度法适用于钢中0.000 5%～0.012%及非合金钢中0.000 1%～0.000 5%硼含量的测定。

Development Information

Drafting Units:

钢研纳克检测技术股份有限公司、钢铁研究总院有限公司、本钢板材股份有限公司、马鞍山钢铁股份有限公司、中国科学院金属研究所、重庆钢铁股份有限公司

Drafting Persons:

张翠敏、罗倩华、胡修伟、王亚朋、宋祖峰、范小芬、苗文慧、张旭、李辉、靳博颖、王晗、李广杰

Word Count: 41 Thousand words Pages: 28 pages

Same series standard

GB/T 223.8-2025 Iron,steel and alloy—Determination of aluminium content—Titrimetric method and spectrophotometric method GB/T 223.11-2025 Iron, steel and alloy—Determination of chromium content—Titrimetric method and spectrophotometric method GB/T 223.13-2025 Iron,steel and alloy—Determination of vanadium content—Titrimetric method and spectrophotometric method

Replace the following standards

GB/T 223.6-1994 Methods for chemical analysis of iron, steel and alloy—The neutralization titrimetric method for the determination of boron content GB/T 223.75-2008 Iron,steel and alloy—Determination of boron content—Methanol distillation-curcumin photometric method GB/T 223.78-2000 Methods for chemical analysis of iron,steel and alloy—Curcumin spectrophotometric method for the determination of boron content

Referenced Standards

GB/T 6379.1-2004 Accuracy(trueness and precision)of measurement methods and results—Part 1:General principles and definitions 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 6682-1992 Water for analytical laboratory use—Specification and test methods GB/T 6682-2008 Water for analytical laboratory use—Specification and test methods GB/T 7729-2021 Chemical analysis of metallurgical products—General rule for spectrophotometric methods GB/T 20066-2006 Steel and iron—Sampling and preparation of samples for the determination of chemical composition ISO 385-1 ISO 648 ISO 1042 ISO 3696 ISO 5725-1 ISO 5725-2 ISO 5725-3 ISO 14284

Adopt standards

ISO 10153:1997

Related Standards

GB/T 17616-1998 Replaced

GB/T 17616-1998 Unified numbering system for designations of iron,steel and alloy

Publish Date: 1998-12-14

GB/T 5686.4-1998 Replaced

GB/T 5686.4-1998 Methods for chemical analysis of silicomanganese—The phosphomolybdenum blue phtometric method for the determination of phosphorus content

Publish Date: 1998-12-14

GB/T 18255-2000 Replaced

GB/T 18255-2000 Coking viscous oil products—Determination of distillation range

Publish Date: 2000-11-17

GB/T 4223-2004 Replaced

GB/T 4223-2004 Iron and steel scraps

Publish Date: 2004-05-20

GB/T 20066-2006 Active

GB/T 20066-2006 Steel and iron—Sampling and preparation of samples for the determination of chemical composition

Publish Date: 2006-02-05

GB/T 11261-2006 Active

GB/T 11261-2006 Steel and iron—Determination of oxygen content—The pulse heating inert gas fusion-infra-red absorption method

Publish Date: 2006-03-02