GB/T 14849.2-1993
Replaced
GB/T 6730.46-2025
Active
National standards
GB/T 6730.46-2025 Iron ores—Determination of arsenic content—Arseno-molybdenum blue spectrophotometric method after the distillation separation
GB/T 6730.46-2025 Iron ores—Determination of arsenic content—Arseno-molybdenum blue spectrophotometric method after the distillation separation
Basic Information
Standard Code:
GB/T 6730.46-2025
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:
20 pages
Scope
本文件规定了用蒸馏分离砷钼蓝分光光度法测定铁矿石中砷含量的方法。
本文件适用于铁矿石、铁精矿、烧结矿和球团矿中砷含量的测定。测定范围：0.000 1%～0.1%（质量分数）（1 μg/g～1 000 μg/g）。
Development Information
Drafting Units:
湖南华菱湘潭钢铁有限公司、中钢集团马鞍山矿山研究总院股份有限公司、衡阳华菱钢管有限公司、宝武资源有限公司、中国检验认证集团河北有限公司、冶金工业信息标准研究院
Drafting Persons:
沈真、杜登福、李柳应、李香梅、贺乐、陈泽仁、汪洋、唐芳、江学、武治峰、李小君、马林林、刘健、郭登元、蔡正鹏、吴振雨、邢武、李培亮、李波、王志、王刚、张晨
Same series standard
GB/T 6730.11-2025 Iron ores—Determination of aluminium content—EDTA titrimetric method
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 6730.90-2025 Iron ores—Determination of gold,silver,platinum,palladium contents—Inductively coupled plasma mass spectrometry method
Replace the following standards
Referenced Standards
GB/T 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 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 7729-2021 Chemical analysis of metallurgical products—General rule for spectrophotometric 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 12806-1991 Laboratory glassware—One-mark volumetric flasks
GB/T 12806-2011 Laboratory glassware—One-mark volumetric flasks
GB/T 12807-1991 Laboratory glassware—Graduated pipettes
GB/T 12807-2021 Laboratory glassware—Graduated pipettes
GB/T 12808-1991 Laboratory glassware—One-mark pipettes
GB/T 12808-2015 Laboratory glassware—One mark pipettes
Adopt standards
ISO 7834:1987
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