GB/T 31590-2025 Active National standards

GB/T 31590-2025 Analytical method of chemical composition for flue gas DeNOx catalysts

GB/T 31590-2025 Analytical method of chemical composition for flue gas DeNOx catalysts

Publish Date: 2025-12-02 Implement Date: 2026-07-01 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 31590-2025

Standard Type: National standards

Standard Status: Active

is_force_gb: no

CCS Name: Basics of catalysts and general methods

ICS Name: Other chemical products

Publish Date: 2025-12-02

Implement Date: 2026-07-01

Pages: 12 pages

Scope

This document describes the method of determining the chemical composition of flue gas denitrification catalysts using X-ray fluorescence spectrometry.
This document is applicable to the determination of vanadium, titanium, tungsten, molybdenum, silicon, aluminum, and calcium components in flue gas denitrification catalysts using the selective catalytic reduction method based on vanadium and titanium systems.

Development Information

Word Count: 17 Thousand words Pages: 12 pages

Replace the following standards

GB/T 31590-2015 Analytical method of chemical composition for flue gas DeNOx catalysts

Referenced Standards

GB/T 603-2002 Chemical reagent—Preparations of reagent solutions for use in test methods GB/T 603-2023 Chemical reagent—Preparations of reagent solutions for use in test methods GB/T 6003.1-1997 Test sieves of metal wire cloth GB/T 6003.1-2012 Test sieves—Technical requirements and testing—Part 1:Test sieves of metal wire cloth GB/T 6003.1-2022 Test sieves—Technical requirements and testing—Part 1:Test sieves of metal wire cloth GB/T 6679-2003 General rules for sampling solid chemical products 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 16597-1996 Analytical methods of metallurgical products General rule for X-ray fluorescence spectrometric methods GB/T 16597-2019 Analytical methods of metallurgical products—General rule for X-ray fluorescence spectrometric methods

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