GB/T 47098-2026 Active National standards

GB/T 47098-2026 Refractory products—Determination of reduced species in carbon containing refractories by XRD

GB/T 47098-2026 Refractory products—Determination of reduced species in carbon containing refractories by XRD

Publish Date: 2026-01-28 Implement Date: 2026-08-01 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 47098-2026

Standard Type: National standards

Standard Status: Active

is_force_gb: no

CCS Name: Fire-resistant materials

ICS Name: Fire-resistant materials

Publish Date: 2026-01-28

Implement Date: 2026-08-01

Pages: 20 pages

Scope

This document describes a method for determining the mineral phases of reducing substances, such as common additives or reaction products, in carbon-containing refractory materials using X-ray diffraction (XRD) with a Bragg-Brentano diffractometer.
This document is applicable to the determination of reducing substances in carbon-containing refractory materials.
This document is not applicable to the determination of reducing substances in refractory materials primarily composed of silicon carbide. For the detection method of such materials, please refer to EN 12698-2.

Development Information

Word Count: 19 Thousand words Pages: 20 pages

Referenced Standards

GB/T 4513.2-2017 Monolithic(unshaped) refractory products—Part 2:Sampling for testing GB/T 10325-2001 Shaped refractory products—Sampling and acceptance testing GB/T 10325-2012 Shaped refractory products—Rule of acceptance,sampling and inspection GB/T 16555-2008 Chemical analysis of refractories containing carbon and silicon carbide or nitride GB/T 16555-2017 Chemical analysis of refractories containing carbon and silicon carbide or nitride GB/T 16555-2025 Chemical analysis of refractories containing carbon,silicon carbide or nitride GB/T 16555.1-1996 Chemical analysis for silicon carbide refractories—Determination of silicon carbide—Absorb gravimetric method GB/T 16555.2-1996 Chemical analysis for silicon carbide refractories—Determination of silicon carbide—Gas volumetric method GB/T 16555.3-1996 Chemical analysis for silicon carbide refractories—Determination of free silicon—Gas volumetric method GB/T 16555.4-1996 Chemical analysis for silicon carbide refractories—Determination of alumina—EDTA gas volumetric method GB/T 16555.5-1996 Chemical analysis for silicon carbide refractories—Determination of ferric oxide—o-phenanthroline photometric method GB/T 16555.6-1996 Chemical analysis for silicon carbide refractories—Determination of silicon dioxide GB/T 17617-1998 Refractory products—Sampling of raw materials and unshaped products GB/T 17617-2018 Rule of sampling and inspection for refractory raw materials GB/T 18930-2002 Terminology for refractories GB/T 18930-2020 Terminology for refractories

Adopt standards

ISO 23071:2021

Related Standards

GB/T 3002-1982 Replaced

GB/T 3002-1982 Test method for modulus of rupture of refractory products at elevated temperatures

Publish Date: 1982-03-29

GB/T 3994-1983 Replaced

GB/T 3994-1983 Shaped insulating refractory products—Fireclay bricks

Publish Date: 1983-12-12

GB/T 3995-1983 Replaced

GB/T 3995-1983 Shaped insulating refractory products—High alumina bricks

Publish Date: 1983-12-12

GB/T 3996-1983 Abolished

GB/T 3996-1983 Shaped thermal insulating products—Diatomite bricks and shapes

Publish Date: 1983-12-12

GB/T 4984-1985 Replaced

GB/T 4984-1985 Chemical analysis methods of zirconia-alumina refractories

Publish Date: 1985-03-06

GB/T 6900.9-1986 Replaced

GB/T 6900.9-1986 Fireclay and high-alumina refractories—Determination of potassium oxide and sodium oxide content—Atomic absorption spectrophotometric method

Publish Date: 1986-08-26