GB/T 7974-2013 Active National standards

GB/T 7974-2013 Paper,board and pulps—Measurement of diffuse blue reflectance factor—D65 brightness(Diff/ Geometry,Outdoor daylight conditions)

Publish Date: 2013-10-10 Implement Date: 2014-05-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

Basic Information

Standard Code: GB/T 7974-2013

Standard Type: National standards

Standard Status: Active

is_force_gb: no

CCS Name: Paper making

ICS Name: Comprehensive Paper-making Technology

Publish Date: 2013-10-10

Implement Date: 2014-05-01

Pages: 9 pages

Development Information

Word Count: 16 Thousand words Pages: 9 pages

Replace the following standards

GB/T 7974-2002 Paper, board and pulp-Measurement of brightness—Diff/Geometry

Referenced Standards

GB/T 22880-2008 Paper and board—Determination of CIE whiteness,D65/10°(outdoor daylight) 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 7973-2003 Paper, Board and Pulps-Measurement of diffuse reflectance factor(Diff/ Geometry) GB/T 8940.2-2002 Pulp—Preparation of laboratory sheets for the measurement of brightness GB/T 10739-2002 Paper, board and pulps—Standard atmosphere for conditioning and testing GB/T 10739-2023 Paper,board and pulps—Standard atmosphere for conditioning and testing

Adopt standards

ISO 2470-2:2008

Related Standards

GB/T 12032-1989 Replaced

GB/T 12032-1989 Paper and board—Preparation of a offset print for test gloss

Publish Date: 1989-12-27

GB/T 2677.1-1993 Active

GB/T 2677.1-1993 Fibrous raw material of sampling for analysis

Publish Date: 1993-03-01

GB/T 2677.2-1993 Replaced

GB/T 2677.2-1993 Fibrous raw material—Determination of moisture content

Publish Date: 1993-03-01

GB/T 2677.3-1993 Replaced

GB/T 2677.3-1993 Fibrous raw material—Determination of ash

Publish Date: 1993-03-01

GB/T 2677.4-1993 Active

GB/T 2677.4-1993 Fibrous raw material—Determination of water solubility

Publish Date: 1993-03-01

GB/T 2677.5-1993 Active

GB/T 2677.5-1993 Fibrous raw material—Determination of one percent sodium hydroxide solubility

Publish Date: 1993-03-01