T/JSP 01-2025 Active Group standards

T/JSP 01-2025 Testing and Evaluation of Graphene Materials in Cold Spraying Zinc Coating Using Scanning Electron Microscope-X-Ray Energy Dispersive Spectrometer (SEM-XEDS)

Publish Date: 2025-01-13 Implement Date: 2025-01-17 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: T/JSP 01-2025

Standard Type: Group standards

Standard Status: Active

is_force_gb: no

CCS Name: Chemical reagents

ICS Name: Analysis Chemistry Comprehensive

Publish Date: 2025-01-13

Implement Date: 2025-01-17

Scope

Scope: This document describes the test and determination method for graphene materials in cold spray zinc coatings using a scanning electron microscope-X ray energy spectrometer combination. This document is applicable to the testing of graphene materials in uncured cold spray zinc coatings, where the mass content of graphene materials is not less than 0.03%. Other coatings containing graphene-related two-dimensional materials can also refer to this document for implementation; Main technical content: The use of graphene materials in cold spray zinc coatings can achieve the effect of inhibiting chemical and electrochemical corrosion and prolonging the protective performance of the coating film through the synergistic effects of barrier, cathodic protection, and inhibition of corrosion spread. The existing industry standard "Graphene Zinc Powder Coatings" (HG/T 5573) has a positive significance for the qualitative determination of graphene materials in zinc powder coatings. However, with the diversified development of large-scale preparation technologies for graphene materials and the application of graphene products with certain related parameter characteristics in cold spray zinc coatings, it is necessary to establish detection and determination standards for graphene materials in such cold spray zinc coatings, which is of great significance for the orderly and standardized development of related products. This document uses a scanning electron microscope to confirm the morphological characteristics of graphene materials in cold spray zinc coatings, and simultaneously uses an X-ray energy spectrometer to determine the carbon and oxygen element contents of the graphene materials observed by the scanning electron microscope. Based on the preparation method mechanism of graphene raw materials, the determination of graphene materials and their preparation methods in cold spray zinc coatings is carried out by using the mass ratio of carbon and oxygen elements.