GB/T 10339-2018Paper, board and pulp -- Determination of light scattering and absorption coefficients (Kubelka-Munk method) (English PDF)
纸、纸板和纸浆 光散射和光吸收系数的测定(Kubelka-Munk法)
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Issued by
State Administration for Market Regulation, China National Standardization Administration
Level / Type
National · Recommended
Issue date
December 28, 2018
Implementation date
July 1, 2019
Scope
GB/T 10339-2018 is the English-translated version of 纸、纸板和纸浆 光散射和光吸收系数的测定(Kubelka-Munk法).
GB/T 10339-2018 is the Chinese standard "Paper, board and pulp -- Determination of light scattering and absorption coefficients (Kubelka-Munk method)". Its scope clause reads: This standard specifies the method for determining the light scattering and light absorption coefficient of paper, paperboard and pulp based on the Kubelka-Munk theory.
This standard applies to white and near-white uncoated paper or paperboard and pulp with opacity less than 95%. Note. When using this standard to determine samples containing fluorescent whitening agents, use the 420 nm UV cut filter on the instrument to eliminate all fluorescence excitation. Its clauses include terms and definitions.
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Document preview — GB/T 10339-2018
National Standard of the People's Republic of China
- ICS
- 85.010
- Classification
- Y 30
- Replacing
- GB/T 10339-2007
Issued by: State Administration for Market Regulation, China National Standardization Administration
Contents
- 1 Scope
- 2 Normative references
- 3 Terms and definitions
- 3.1 Reflection factor
- 3.2 Luminance factor (D65)
- 3.3 Single layer brightness factor (D65) single-sheetluminancefactor (D65)
1 Scope
This standard specifies the method for determining the light scattering and light absorption coefficient of paper, paperboard and pulp based on the Kubelka-Munk theory.
This standard applies to white and near-white uncoated paper or paperboard and pulp with opacity less than 95%.
Note. When using this standard to determine samples containing fluorescent whitening agents, use the 420 nm UV cut filter on the instrument to eliminate all fluorescence excitation.
2 Normative references
The following documents are indispensable for the application of this document. For dated references, only dated versions apply to this article.
Pieces. For undated references, the latest edition (including all amendments) applies to this document.
GB/T 450 paper and paperboard samples taken and the longitudinal, lateral and frontal measurements of the samples (GB/T 450-2008, ISO 186.
2002, MOD)
GB/T 451.2 Determination of the quantitative determination of paper and paperboard (GB/T 451.2-2002, eqvISO 536.1995)
GB/T 740 pulp sample (GB/T 740-2003, ISO 7213.1981, IDT)
GB/T 1543 Determination of opacity (paper backing) of paper and paperboard (Diffuse reflection method) (GB/T 1543-2005, ISO 2471.
1998, MOD)
GB/T 7973 Determination of diffuse reflection factor of paper, paperboard and pulp (Diffuse/Vertical Method) (GB/T 7973-2003, neq ISO 2469.1994)
GB/T 10739 Standard atmospheric conditions for the treatment and testing of paper, board and pulp samples (GB/T 10739-2002, eqv ISO 187.1990)
GB/T 24324 Preparation of laboratory paper sheets for pulp physics test. Conventional paper sheet former method (GB/T 24324-2009,
ISO 5269-1.2005, MOD)
GB/T 24326 Preparation of laboratory paper sheets for pulp physics test Fast Kaiser method (GB/T 24326-2009,
ISO 5269-2.2004, MOD)
3 Terms and definitions
The following terms and definitions apply to this document.
3.1 Reflection factor
The ratio of the reflected flux of an object to the amount of flux reflected by a fully reflective diffuser under the same conditions, expressed as a percentage.
3.2 Luminance factor (D65)
Ry
Refer to the reflection factor defined by the color matching function y(lambda) under the CIE standard illuminant D65 and CIE 1964 standard observer conditions.
3.3 Single layer brightness factor (D65) single-sheetluminancefactor (D65)
Ry, 0
The brightness factor (D65) of the single-layer sample backing black cylinder (3.2).
GB/T 12911 | GB/T 7979 | GB/T 8942 | GB/T 10342 | GB/T 10337 | […]
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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 17 pages — is available in the English PDF.
Referenced standards
Normative references
- GB/T 450Paper and board -- Sampling for testing and identification of machine and cross direction, wire side and felt side
- GB/T 450-2008Paper and board -- Sampling for testing and identification of machine and cross direction, wire side and felt side
- GB/T 451.2Paper and board - Part 2: Determination of grammage
- GB/T 451.2-2002Paper and board - Part 2: Determination of grammage
- GB/T 740Pulps -- Sampling for testing
- GB/T 740-2003Pulps -- Sampling for testing
ISO 186 · ISO 7213.1981 · ISO 2471 · ISO 187.1990 · ISO 5269
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Related Standards
GB/T 10739-2023 — Paper, board and pulps - Standard atmosphere for conditioning and testing
GB/T 1543-2005 — Paper and board - Determination of opacity(paper backing) - Diffuse reflectance method
GB/T 1543-2026 — Paper and board - Determination of opacity(paper backing) - Diffuse reflectance method
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