GB/T 22879-2008
ActivePaper and board - Determination of CIE whiteness, C/2°( indoor illumination conditions)
纸和纸板 CIE白度的测定，C/2°(室内照明条件)
Application Summary AI generated
GB/T 22879-2008 specifies the method for measuring the CIE whiteness of paper and board under C/2° indoor illumination conditions. It is applied in the paper manufacturing and quality testing industry to evaluate the optical brightness of white or near-white paper products, such as printing paper, office paper, and packaging board, under standardized indoor lighting. This standard ensures consistent whiteness assessment for product specification, quality control, and commercial transactions.
Related Standards
GB/T 20810-2006
Bathroom Tissue (Including Bathroom Tissue Base Paper)
GB/Z 24987-2010
Paper, board and pulps - Estimation of uncertainty for test methods
GB/T 20216-2006
Determination of effective residual ink
GB/T 20811-2006
Waste paper recycled requirements
GB/T 7977-2007
Paper,board and pulps - Determination of conductivity of aqueous extracts
GB/T 1539-2007
Paperboard - Determination of bursting strength
GB/T 10339-2007
Testing method of light scattering and absorption coefficient for paper，board and pulps
GB/T 4687-2007
Paper, board, pulps and related terms - Vocabulary
Transparency note: The application summary and key sentences on this page were automatically generated by AI from the standard's original text. This content has not been human-verified and should not be used for compliance or regulatory purposes. Always refer to the official standard document from the issuing authority.