GB/T 6730.5-2022 Active National standards

GB/T 6730.5-2022 Iron ores—Determination of total iron content—Titrimetric methods after titanium(Ⅲ) chloride reduction

Publish Date: 2022-04-15 Implement Date: 2022-11-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

Basic Information

Standard Code: GB/T 6730.5-2022

Standard Type: National standards

Standard Status: Active

is_force_gb: no

CCS Name: Iron ore

ICS Name: Iron ore

Publish Date: 2022-04-15

Implement Date: 2022-11-01

Publisher: 国家市场监督管理总局、国家标准化管理委员会

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

Pages: 15 pages

Scope

本文件规定了三氯化钛还原铁后重铬酸钾滴定法测定全铁含量的方法。
本文件适用于天然铁矿石、铁精矿和造块，包括烧结产品中全铁含量的测定，测定范围（质量分数）：30.00%～72.00%。

Development Information

Drafting Units:

中钢集团马鞍山矿山研究总院股份有限公司、连云港兴鑫钢铁有限公司、华唯金属矿产资源高效循环利用国家工程研究中心有限公司、河北津西钢铁集团股份有限公司

Drafting Persons:

华绍广、徐修平、李波、海冰、郑贵增、苏文星、汪岩、曾申进、杨倩、胥明旺、马永福

Word Count: 30 Thousand words Pages: 15 pages

Same series standard

GB/T 6730.60-2022 Iron ores—Determination of nickel content—Flame atomic absorption spectrometric method GB/T 6730.61-2022 Iron ores—Determination of carbon and sulfur content—High frequency combustion with infrared absorption method GB/T 6730.64-2022 Iron ores—Determination of water soluble chloride content—Ion-selective electrode method GB/T 6730.83-2022 Iron ores—Determination of loss on ignition—Gravimetric method corrected by hygroscopic water

Replace the following standards

GB/T 6730.5-2007 Iron ores—Determination of total iron content—Titanium(Ⅲ)chloride reduction methods

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 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

Adopt standards

ISO 2597-2:2019

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