GB/Z 124.1-2025 Active National standards

GB/Z 124.1-2025 Nanotechnologies—Structural characterization of graphene—Part 1:Graphene from powders and dispersions

Publish Date: 2025-12-03 Implement Date: 1970-01-01 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/Z 124.1-2025

Standard Type: National standards

Standard Status: Active

is_force_gb: no

CCS Name: Measurement

ICS Name: Optical measurement instruments

Publish Date: 2025-12-03

Implement Date: 1970-01-01

Pages: 48 pages

Scope

This document describes the methods for characterizing the structural properties of graphene, bilayer graphene, and graphene nanosheets in powders and dispersions. The method uses a series of measurement techniques, typically after separating individual flakes on a substrate. The tested indicators include the number of layers/thickness of the flakes, the lateral dimensions of the flakes, disorder, stacking mode, and specific surface area. This document provides measurement specifications, sample preparation procedures, and data analysis for the characterization of graphene powders and dispersions. Note: Graphene powders are also known as graphene particles, and dispersions are also referred to as dispersion solutions.