GB/T 14849.2-1993
Replaced
GB/T 6730.11-2025
Active
National standards
GB/T 6730.11-2025 Iron ores—Determination of aluminium content—EDTA titrimetric method
GB/T 6730.11-2025 Iron ores—Determination of aluminium content—EDTA titrimetric method
Basic Information
Standard Code:
GB/T 6730.11-2025
Standard Type:
National standards
Standard Status:
Active
is_force_gb:
no
CCS Name:
Iron ore
ICS Name:
Iron ore
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:
全国铁矿石与直接还原铁标准化技术委员会(SAC/TC 317)
Pages:
24 pages
Scope
本文件描述了用EDTA滴定法测定铁矿石中铝含量的方法。
本文件适用于天然铁矿石、铁精矿、烧结矿和球团矿中铝含量的测定。测定范围（质量分数）：0.25%～5.00%。
Development Information
Drafting Units:
中钢集团马鞍山矿山研究总院股份有限公司、中国检验认证集团河北有限公司、宝武资源有限公司、衡阳华菱钢管有限公司、阳春新钢铁有限责任公司、冶金工业标准信息研究院、铜陵有色金属集团控股有限公司技术中心
Drafting Persons:
华绍广、李香梅、李波、陈海林、李培亮、汪洋、贺乐、樊尧桂、周卫平、张晓艳、刘欠、江学、杨倩、唐芳、夏向伟、龙海山、马林林、宣楠、万立力、林圣森、张小蕊、张文娟、粱峥、张晨、袁启东、高春庆
Same series standard
GB/T 6730.13-2025 Iron ores—Determination of calcium and magnesium content—EGTA-CyDTA titrimetric method
GB/T 6730.23-2025 Iron ores—Determination of titanium content—The ferric ammonium sulfate titrimetric method
GB/T 6730.24-2025 Iron ores—Determination of total rare earth contents—Arsenazo Ⅲ spectrophotometric method
GB/T 6730.45-2025 Iron ores—Determination of arsenic content—Arseno-molybdenum blue spectrophotometric method after hydrogen arsenide separation
GB/T 6730.46-2025 Iron ores—Determination of arsenic content—Arseno-molybdenum blue spectrophotometric method after the distillation separation
GB/T 6730.90-2025 Iron ores—Determination of gold,silver,platinum,palladium contents—Inductively coupled plasma mass spectrometry method
Replace the following standards
Referenced Standards
GB/T 601-2002 Chemical reagent Preparations of standard volumetric solutions
GB/T 601-2016 Chemical reagent—Preparations of reference titration solutions
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 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 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
Adopt standards
ISO 6830:1986
Related Standards
GB/T 10322.1-2000
Replaced
GB/T 10322.1-2000 Iron ores—Sampling and sample preparation procedures
GB/T 10322.2-2000
Active
GB/T 10322.2-2000 Iron ores—Experimental methods for evaluation of quality variation
GB/T 10322.3-2000
Replaced
GB/T 10322.3-2000 Iron ores—Experimental methods for checking the precision of sampling
GB/T 10322.4-2000
Replaced
GB/T 10322.4-2000 Iron ores—Experimental methods for checking the bias of sampling
GB/T 10322.5-2000
Replaced