GB/T 7973-2003 Active National standards

GB/T 7973-2003 Paper, Board and Pulps-Measurement of diffuse reflectance factor(Diff/ Geometry)

Publish Date: 2003-10-20 Implement Date: 2004-06-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

Basic Information

Standard Code: GB/T 7973-2003

Standard Type: National standards

Standard Status: Active

is_force_gb: no

CCS Name: Paper making

ICS Name: Paper and cardboard

Publish Date: 2003-10-20

Implement Date: 2004-06-01

Pages: 12 pages

Development Information

Word Count: 11 Thousand words Pages: 12 pages

Replace the following standards

GB 7973-1987

Referenced Standards

GB/T 450-2002 Paper and board—Sampling for testing GB/T 450-2008 Paper and board—Sampling for testing and identification of machine and cross direction,wire side and felt side GB/T 740-2003 Pulps—Sampling for testing GB/T 1543-2005 Paper and board—Determination of opacity (paper backing)—Diffuse reflectance method GB/T 2679.1-1993 Paper—Determination of transparent GB/T 2679.1-2013 Paper—Determination of transmittance—Diffuse reflectance measurement GB/T 2679.1-2020 Paper—Determination of transmittance—Diffuse reflectance measurement GB/T 7974-2002 Paper, board and pulp-Measurement of brightness—Diff/Geometry GB/T 7974-2013 Paper,board and pulps—Measurement of diffuse blue reflectance factor—D65 brightness(Diff/ Geometry,Outdoor daylight conditions) GB/T 7975-2005 Paper and board—Determination of color(diffuse reflectance method) GB/T 10339-2007 Testing method of light scattering and absorption coefficient for paper, board and pulps GB/T 10339-2018 Paper,board and pulp—Determination of light scattering and absorption coefficients(Kubelka-Munk method)

Adopt standards

ISO 2469:1994

Related Standards

GB/T 1525-1979 Replaced

GB/T 1525-1979 Drawing paper

Publish Date: 1979-03-05

GB/T 2675-1981 Replaced

GB/T 2675-1981 Paper for drawing land maps

Publish Date: 1981-06-06

GB/T 2676-1981 Replaced

GB/T 2676-1981 Paper for drawing ocean maps

Publish Date: 1981-06-06

GB/T 4687-1984 Replaced

GB/T 4687-1984 Paper, board, pulp terms (Ⅰ)

Publish Date: 1984-09-29

GB/T 4873-1985 Active

GB/T 4873-1985 Continuous forms used for information processing—Sizes and feed holes

Publish Date: 1985-01-17

GB/T 5034-1985 Replaced

GB/T 5034-1985 Corrugated fibreboard for export products

Publish Date: 1985-04-06