GB/T 6730.73-2024 Active National standards

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

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

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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

Pages: 20 pages

Scope

This document describes the method of determining the total iron content in iron ore by EDTA photometric titration. This document is suitable for determining the total iron content in natural iron ore, iron concentrate, and artificial lump ore (including sintered ore and pellet ore). The measurement range (mass fraction): 30.0%~72.0%.

Development Information

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