GB/T 1663-2001
Active
GB/T 40139-2021
Active
National standards
GB/T 40139-2021 Measuring method for surface areas of materials—Three dimensional area measurement base on hyperspectral imaging
GB/T 40139-2021 Measuring method for surface areas of materials—Three dimensional area measurement base on hyperspectral imaging
Basic Information
Standard Code:
GB/T 40139-2021
Standard Type:
National standards
Standard Status:
Active
is_force_gb:
no
CCS Name:
Basic standards and general methods for synthetic resins and plastics
ICS Name:
Physicochemical analysis methods
Publish Date:
2021-05-21
Implement Date:
2021-09-01
Pages:
12 pages
Scope
This document specifies a method for measuring the surface area of materials based on hyperspectral imaging technology.
This document is applicable to the measurement of the surface area of food contact materials, jewelry, and other materials.
This document is not applicable to porous materials with pore diameters less than 1 mm, as well as materials containing striped textures with diameters less than 1 mm.
Development Information
Related Standards
GB/T 19501-2004
Replaced
GB/T 19501-2004 General guide for electron backscatter diffraction analysis
GB/T 19502-2004
Replaced
GB/T 19502-2004 Surface chemical analysis—Glow discharge optical emission spectrometry(GD-OSE)—Introduction to use
GB/T 6488-2008
Replaced
GB/T 6488-2008 Liquid chemicals—Determination of refrative index at 20℃
GB/T 23243-2009
Replaced
GB/T 23243-2009 Determination of perfluorooctane sulfonates (PFOS) in the food packaging material—High performance liquid chromatography-tandem mass spectrometry
GB/T 24169-2009
Active