T/CSTM 00198-2021 Graphene quantum dots enzyme-like activity determination UV/visible spectrophotometry
T/CSTM 00198-2021 Graphene quantum dots enzyme-like activity determination UV/visible spectrophotometry
Basic Information
Scope
Scope: This document specifies the terms and definitions, measurement principles, instruments, reagents and equipment, sample pretreatment, measurement conditions and steps, data processing and calculation, uncertainty source analysis, and test reports for determining the enzymatic activity of graphene quantum dots by UV/Vis spectrophotometry. This document is applicable to characterizing the enzymatic activity of graphene quantum dots using UV/Vis spectrophotometry, with the substrate being o-phenylenediamine and a substrate concentration of 9.74 mmol/L. The characterization of enzymatic activity of other nanoparticles can also be carried out with reference to this document. Main technical content: This document specifies the terms and definitions, measurement principles, instruments, reagents and equipment, sample pretreatment, measurement conditions and steps, data processing and calculation, uncertainty source analysis, and test reports for determining the enzymatic activity of graphene quantum dots by UV/Vis spectrophotometry. This document is applicable to characterizing the enzymatic activity of graphene quantum dots using UV/Vis spectrophotometry, with the substrate being o-phenylenediamine and a substrate concentration of 9.74 mmol/L. The characterization of enzymatic activity of other nanoparticles can also be carried out with reference to this document.