IEC TS 62607-6-18:2022

Nanomanufacturing - Key control characteristics - Part 6-18: Graphene-based material - Functional groups: TGA-FTIR

IEC TS 62607-6-18:2022(E) establishes a standardized method to determine the chemical key control characteristic

• functional groups

for functionalized graphene-based material and graphene oxide by

• thermogravimetry analysis (TGA) coupled with Fourier transform infrared spectroscopy (FTIR), referred to as TGA-FTIR.

The content of functional groups is derived by changes in mass of the sample as a function of temperature using TGA. Materials evolved during these mass changes are then analysed using coupled FTIR to identify functional groups.

• The functional groups determined according to this document will be listed as a key control characteristic in the blank detail specification for graphene IEC 62565-3-1 for graphene powder.
• The method is applicable for functionalized graphene powder and graphene oxide that can be pyrolysed and gasified with elevated temperature during TGA.
• Typical application areas are quality control for graphene manufacturers, and product selection for downstream users.

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