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

Publish Date: 2025-08-29 Implement Date: 2026-03-01 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 6730.11-2025

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

Pages: 24 pages

Scope

This document describes the method of determining the aluminum content in iron ore using the EDTA titration method.
This document is suitable for determining the aluminum content in natural iron ore, iron concentrate, sintered ore, and pellet ore. The measurement range (mass fraction): 0.25% to 5.00%.

Development Information

Word Count: 28 Thousand words Pages: 24 pages

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

GB/T 6730.11-2007 Iron ores—Determination of aluminium content—EDTA titrimetric method

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 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