GB/T 6730.13-2007 Replaced National standards

GB/T 6730.13-2007 Iron ores—Determination of calcium and magnesium content—EGTA-CyDTA titrimetric method

GB/T 6730.13-2007 Iron ores—Determination of calcium and magnesium content—EGTA-CyDTA titrimetric method

Publish Date: 2007-08-14 Implement Date: 2008-03-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

Basic Information

Standard Code: GB/T 6730.13-2007

Standard Type: National standards

Standard Status: Replaced

is_force_gb: no

CCS Name: Iron ore

ICS Name: Iron ore

Publish Date: 2007-08-14

Implement Date: 2008-03-01

Pages: 12 pages

Scope

This part of GB/T 6730 specifies the determination of calcium and magnesium content by the EGTACyDTA titration method. This part is applicable to the determination of calcium and magnesium content in natural iron ores, iron concentrates, sintered ores, and pellet ores; the determination range (mass fraction): calcium content: 1.5% to 15.0%, magnesium content: >1.0%.

Development Information

Word Count: 15 Thousand words Pages: 12 pages

Same series standard

GB/T 6730.5-2007 Iron ores—Determination of total iron content—Titanium(Ⅲ)chloride reduction methods GB/T 6730.11-2007 Iron ores—Determination of aluminium content—EDTA titrimetric method GB/T 6730.64-2007 Iron ores—Determination of water soluble chloride content—Ion-selective electrode method

Replace the following standards

GB/T 6730.13-1986 Methods for chemical analysis of iron ores The potassium permanganate volumetric method for the determination of calcium content GB/T 6730.15-1986 Methods for chemical analysis of iron ores The complexometric method for the determination of magnesium content

Superseded by the following standards

GB/T 6730.13-2025 Iron ores—Determination of calcium and magnesium content—EGTA-CyDTA titrimetric method

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 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 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