GB/T 6730.73-2024 Active National standards

GB/T 6730.73-2024 Iron ores—Determination of total iron content—EDTA photometric titration method

Publish Date: 2024-04-25 Implement Date: 2024-11-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

Basic Information

Standard Code: GB/T 6730.73-2024

Standard Type: National standards

Standard Status: Active

is_force_gb: no

CCS Name: Iron ore

ICS Name: Iron ore

Publish Date: 2024-04-25

Implement Date: 2024-11-01

Publisher: 国家市场监督管理总局、国家标准化管理委员会

Technical Committee: 全国铁矿石和直接还原铁标准化技术委员会(SAC/TC 317)

Pages: 20 pages

Scope

本文件描述了EDTA光度滴定法测定铁矿石中全铁含量的方法。本文件适用于天然铁矿、铁精矿和人造块矿（包括烧结矿和球团矿）中全铁含量的测定。测定范围（质量分数）:30.0%~72.0%。

Development Information

Drafting Units:

广州海关技术中心、广东中南钢铁股份有限公司、成都先进金属材料产业技术研究院股份有限公司、防城海关综合技术服务中心、连云港海关综合技术中心、滨州海关、湛江海关技术中心、黄埔海关技术中心、天津海关化矿金属材料检测中心、石家庄海关技术中心、青岛海关技术中心、上海海关工业品与原材料检测技术中心、宁波海关技术中心、冶金工业信息标准研究院、宝山钢铁股份有限公司、武汉钢铁有限公司、鞍钢股份有限公司、龙佰四川矿冶有限公司、中山大学、梅特勒托利多科技(中国)有限公司、瑞士万通中国有限公司

Drafting Persons:

彭速标、肖前、萧达辉、郑建国、罗宇梅、何颖贤、张瑞、禤健文、梁悦锋、张悦、王庆贺、武术、姚洁、罗明贵、黎香荣、姜郁、王英杰、魏纪滨、田琼、黄伟、李权斌、赵超、岳春雷、朱志秀、闵红、应海松、王甜甜、陈海岚、周郑、于录军、于嫒君、陈云鹏、邹小勇、李益乾、王中光

Word Count: 29 Thousand words Pages: 20 pages

Same series standard

GB/T 6730.63-2024 Iron ores—Determination of aluminum,calcium,magnesium,manganese,phosphorus,silicon and titanium content—Inductively coupled plasma atomic emission spectrometric method GB/T 6730.88-2024 Iron ores—Determination of chlorine content—X-ray fluorescence spectrometric method GB/T 6730.89-2024 Iron ores—Determination of thorium content—Arsenazo Ⅲ spectrophotometric method

Replace the following standards

GB/T 6730.73-2016 Iron ores—Determination of total iron content—EDTA photometric titration method

Referenced Standards

GB/T 6730.1-1986 Methods for chemical analysis of iron ores—Preparation of predried test samples for chemical analysis GB/T 6730.1-2016 Iron ores—Preparation of predried test samples for chemical analysis GB/T 6730.3-1986 Methods for chemical analysis of iron ores The gravimetric method for the determination of hygroscopic moisture content in analytical samples GB/T 6730.3-2017 Iron ores—Determination of hygroscopic moisture in analytical samples—Gravimetric,Karl Fischer and mass-loss methods GB/T 8170-1987 Rules for rounding off of numberical values GB/T 8170-2008 Rules of rounding off for numerical values & expression and judgement of limiting values GB/T 10322.1-2000 Iron ores—Sampling and sample preparation procedures GB/T 10322.1-2014 Iron ores—Sampling and sample preparation procedures GB/T 10322.1-2023 Iron ores—Sampling and sample preparation procedures GB/T 12805-1991 Laboratory glassware—Burettes GB/T 12805-2011 Laboratory glassware—Burettes GB/T 12806-1991 Laboratory glassware—One-mark volumetric flasks GB/T 12806-2011 Laboratory glassware—One-mark volumetric flasks GB/T 12808-1991 Laboratory glassware—One-mark pipettes GB/T 12808-2015 Laboratory glassware—One mark pipettes

Related Standards

GB/T 14849.2-1993 Replaced

GB/T 14849.2-1993 Silicon metal—Determination of aluminum content—Chrome azurol S spectrophotometric method

Publish Date: 1993-12-24

GB/T 10322.1-2000 Replaced

GB/T 10322.1-2000 Iron ores—Sampling and sample preparation procedures

Publish Date: 2000-06-05

GB/T 10322.2-2000 Active

GB/T 10322.2-2000 Iron ores—Experimental methods for evaluation of quality variation

Publish Date: 2000-06-05

GB/T 10322.3-2000 Replaced

GB/T 10322.3-2000 Iron ores—Experimental methods for checking the precision of sampling

Publish Date: 2000-06-05

GB/T 10322.4-2000 Replaced

GB/T 10322.4-2000 Iron ores—Experimental methods for checking the bias of sampling

Publish Date: 2000-06-05

GB/T 10322.5-2000 Replaced

GB/T 10322.5-2000 Iron ores—Determination of moisture content of a consignment

Publish Date: 2000-06-05