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NEK IEC TS 62607-6-30:2024

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Abstract

IEC TS 62607-6-30:2024 establishes a standardized method to determine the chemical key control characteristic- anion concentrationfor powder of graphene-based material by- ion chromatography.In this document, the measured anions are fluoride, chloride, nitrite, bromide, nitrate, sulphate, and phosphate. These anions, present in the extraction solution of graphene-based materials, are separated into distinct elution bands on the ion chromatographic separation column and subsequently measured using a conductivity detector. Quantification of these anions is accomplished by establishing a proportional relationship between the measured signal (peak area or peak height) and the concentration of each anion. This is achieved by calibrating the system using a series of standards containing known amounts of each anion. Subsequently, unknown samples are analysed under the same conditions as the standards to determine their anion concentrations.- Powder of graphene-based material addressed by this document includes graphene oxide, reduced graphene oxide and functionalized graphene, graphene, bilayer graphene, trilayer graphene and few-layer graphene.Note: This document can also be used for other carbonaceous material such as graphite and graphite oxide.- This document targets graphene-based material manufacturers and downstream users to guide their material design, production and quality control.

Document information

  • Standard from NEK
  • Published:
  • Edition: 1.0
  • Version: 1
  • Document type: TS
  • ICS 07.120
  • National Committee NEK/NK113

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  • Adopted from: IEC TS 62607-6-30:2024