GB/T 45504-2025 Active National standards

GB/T 45504-2025 Nanotechnologies—Nanostructured porous alumina as catalyst support for vehicle exhaust emission control—Characteristics and measurement methods

Publish Date: 2025-04-25 Implement Date: 2025-11-01 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 45504-2025

Standard Type: National standards

Standard Status: Active

is_force_gb: no

CCS Name: Oxides, elemental substances

ICS Name: The experimental conditions and procedures are summarized here

Publish Date: 2025-04-25

Implement Date: 2025-11-01

Pages: 16 pages

Scope

This document specifies the measurement characteristics of nano-structured porous alumina powders used as catalyst carriers for automotive exhaust emission control, and describes the corresponding measurement methods. Based on agreements between the relevant parties, this document includes the key characteristics that need to be measured and additional characteristics recommended for measurement, and recommends measurement methods for each characteristic.
This document is applicable to the measurement of the nano-structured porous alumina characteristics of gasoline-powered vehicles, and is not applicable to the characterization of characteristics related to health, environmental, and safety issues.