GB/T 2679.1-2013
Paper.Determination of transmittance.Diffuse reflectance measurement (English Version)
- Standard No.
- GB/T 2679.1-2013
- Language
- Chinese, Available in English version
- Release Date
- 2013
- Published By
- General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China
- Status
- 2021-02
- Replace By
- GB/T 2679.1-2020
- Latest
- GB/T 2679.1-2020
- Replace
- GB/T 2679.1-1993
- Scope
- This standard specifies the method for the determination of transparency by the diffuse reflectance method. This standard applies to white and near-white translucent paper. To measure paper containing optical brighteners, use a UV-cut filter to eliminate fluorescence excitation.
GB/T 2679.1-2013 Referenced Document
- GB/T 450 Paper and board.Sampling for testing and identification of machine and cross direction,wire side and felt side
- GB/T 7973 Paper,board and pulps-Measurement of diffuse reflectance factor(Diff/ Geometry)
GB/T 2679.1-2013 history
- 2020 GB/T 2679.1-2020 Paper—Determination of transmittance—Diffuse reflectance measurement
- 2013 GB/T 2679.1-2013 Paper.Determination of transmittance.Diffuse reflectance measurement
- 1993 GB/T 2679.1-1993 Paper. Determination of transparent
GB/T 2679.1-2013 -All Parts
GB/T 2679.1-2020 Paper—Determination of transmittance—Diffuse reflectance measurement
GB/T 2679.10-1993 paper and board. Compressive strength. Short span test
GB/T 2679.11-2008 Paper and board.Qualitative analysis of mineral filler and mineral coating.SEM/EDAX Method
GB/T 2679.12-2013 Paper and board.Qualitative analysis of mineral filler and mineral coating.Chemical method
GB/T 2679.13-1996 Paper and board--Determination of air permeance (medium range)--Bendtsen method
GB/T 2679.14-1996 Filter paper and filterboard--Determination of maximum pore diameter
GB/T 2679.15-1997 Paper and board--Determination of printing surface strength--Accelerating speed method (electric model)
GB/T 2679.16-1997 Paper and board--Determination of printing surface strength--Accelerating speed method (pendulum or spring model)
GB/T 2679.17-1997 Corrugated fibreboard--Determination of edgewise crush resistance (Edge reinforced method)
GB/T 2679.2-2015 Sheet materials.Determination of water vapour trasmission rate.Gravimetric (Dish) method
GB/T 2679.3-1996 Paper and board--Determination of resistance to bending
GB/T 2679.4-1994 Paper and board-Determination of the roughness(Bendtsen method)
GB/T 2679.5-1995 Paper and board--Determination of folding endurance (MIT tester)
GB/T 2679.6-1996 Corrugating medium--Determination of the flat crush resistance after laboratory fluting
GB/T 2679.7-2005 Board--Determination of puncture resistance
GB/T 2679.8-2016 Paper and board.Determination of compressive strength (Ring crush method)
GB/T 2679.9-1993 Paper and board.Determination of roughness(Print-surface method)