GB/T 18711-2025 Active National standards

GB/T 18711-2025 Test methods of magnetite for use in coal preparation

GB/T 18711-2025 Test methods of magnetite for use in coal preparation

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

Basic Information

Standard Code: GB/T 18711-2025

Standard Type: National standards

Standard Status: Active

is_force_gb: no

CCS Name: Coal sorting

ICS Name: \nCoal

Publish Date: 2025-08-29

Implement Date: 2026-03-01

Pages: 12 pages

Scope

This document describes the methods for sampling and sample preparation of magnetite powder used in coal preparation, moisture determination, particle size composition determination, magnetic material content determination, true density determination, total iron content determination, ferrous oxide content determination, and sulfur content determination.
This document is applicable to magnetite powder used in coal preparation.

Development Information

Word Count: 15 Thousand words Pages: 12 pages

Replace the following standards

GB/T 18711-2002 Magnetite for use in coal preparation—Test methods

Referenced Standards

GB/T 6730.2-1986 Methods for chemical analysis of iron ores Gravimetric method for the determination of moisture content GB/T 6730.2-2018 Iron ores—Determination of moisture content—Gravimetric method GB/T 6730.5-1986 Methods for chemical analysis of iron ores The titanium chloride-potassium dichromate volumetric method for the determination of total iron content GB/T 6730.5-2007 Iron ores—Determination of total iron content—Titanium(Ⅲ)chloride reduction methods GB/T 6730.5-2022 Iron ores—Determination of total iron content—Titrimetric methods after titanium(Ⅲ) chloride reduction GB/T 6730.8-1986 Methods for chemical analysis of iron ores The potassium dichromate volumetric method for the determination of iron (Ⅱ) content GB/T 6730.8-2016 Iron ores—Determination of iron(Ⅱ) content—Potassium dichromate titrimetric method GB/T 6730.16-1986 Methods for chemical analysis of iron ores The barium sulfate gravimetric method for the determination of sulfur content GB/T 6730.16-2016 Iron ores—Determination of sulfur content—Barium sulfate gravimetric method 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 10322.7-2004 Iron ore—Determination of size distribution by sieving GB/T 10322.7-2016 Iron ores and direct reduced iron—Determination of size distribution by sieving

Related Standards

GB 5751-1986 Replaced

GB 5751-1986 Classification of Chinese coals

Publish Date: 1986-01-09

GB 481-1993 abolished_transferred

GB 481-1993 Sampling method of coal sample for production

Publish Date: 1993-02-19

GB/T 15223-1994 Replaced

GB/T 15223-1994 Plastics—Liquid resins—Determination of density by the pyknometer method

Publish Date: 1994-09-24

GB/T 15224.1-1994 Replaced

GB/T 15224.1-1994 Classification for quality of coal—Classification for ash yield of coal

Publish Date: 1994-09-24

GB/T 15224.2-1994 Replaced

GB/T 15224.2-1994 Classification for quality of coal—Classification for sulphur content of coal

Publish Date: 1994-09-24

GB/T 15224.3-1994 Replaced

GB/T 15224.3-1994 Classification for quality of coal—Classification for calorific value of coal

Publish Date: 1994-09-24