Code of China Chinese Standard Classification Professional Classification ICS Classification Latest
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GB/T 39560.4-2021 Determination of certain substances in electrical and electronic products—Part 4: Mercury in polymers, metals and electronics by CV-AAS, CV-AFS , ICP-OES and ICP-MS $330.00 via email in 1~5 business day valid
GB/T 39560.5-2021 Determination of certain substances in electrical and electronic products—Part 5: Cadmium，lead and chromium in polymers and electronics and cadmium and lead in metals by AAS，AFS，ICP-OES and ICP-MS $510.00 via email in 1~5 business day valid
GB/T 39560.702-2021 Determination of certain substances in electrical and electronic products—Part 7-2:Hexavalent chrome—Determination of hexavalent chrome[Cr(VI)]in polymers and electronics by the colormetric method $225.00 via email in 1~3 business day valid
GB/T 40139-2021 Measuring method for surface areas of materials—Three dimensional area measurement base on hyperspectral imaging $225.00 via email in 1~3 business day valid
GB/T 40196-2021 Method for analysing CCA and ACQ in preservative-treated wood and wood preservatives by X-ray fluorescence spectroscopy $110.00 via email in 1~3 business day valid
GB/T 40244-2021 Chemicals - Liquid or solid identification - Fluidity test method $100.00 via email in 1~3 business day valid
GB/T 42240-2022 Nanotechnology—Measurement of metallic impurities in graphene powder—Inductively coupled plasma mass spectrometry $360.00 via email in 1~5 business day valid
GB/T 42310-2023 Nanotechnology—Measurement for specific surface area of graphene powder—Static volumetric method by argon gas adsorption $405.00 via email in 1~5 business day valid
GB/T 43087-2023 Microbeam analysis—Analytical electron microscopy—Method for the determination of interface position in the cross-sectional image of the layered materials $700.00 via email in 1~5 business day valid
GB/T 43088-2023 Microbeam analysis—Analytical electron microscopy—Measurement of the dislocation density in thin metals $375.00 via email in 1~5 business day valid
GB/T 43341-2023 Nanotechnology—Measurement of defect concentration of graphene—Raman spectroscopy method $465.00 via email in 1~5 business day valid
GB/T 43610-2023 Microbeam analysis—Analytical electron microscopy—Method of determination for apparent growth direction of wirelike crystals by transmission electron microscopy $375.00 via email in 1~5 business day valid
GB/T 43682-2024 Nanotechnology—Measurement methods for carrier mobility and sheet resistance of graphene films of sub-nanometer thickness $315.00 via email in 1~5 business day valid
GB/T 43748-2024 Microbeam analysis—Transmission electron microscopy—Method for measuring the thickness of functional thin films in integrated circuit chips $225.00 via email in 1~3 business day valid
GB/T 43889-2024 Microbeam analysis—Electron probe microanalyser (EPMA)—Guidelines for performing quality assurance procedures $495.00 via email in 1~5 business day valid
GB/T 44007-2024 Nanotechnologies—Measurement of the hydrogen storage capacity of nanoporous materials—Gas adsorption method $285.00 via email in 1~3 business day valid
GB/T 4472-2011 Detemination of density and relative density for chemical products $120.00 immediately valid
GB/T 6488-2022 Single-mode optical fibres for telecommunication—Part 7: Characteristics of a bending loss insensitive single-mode optical fibre $120.00 via email in 1~3 business day valid
GB/Z 35959-2018 General rule for liquid chromatography-mass spectrometry $220.00 via email in 1~3 business day valid
GB/Z 41259-2022 Method for determination of quaternary ammonium compounds in preservative-treated wood and wood preservatives by potentiometric titrator $165.00 via email in 1~3 business day valid
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