GB/T 2679.1-2013
AbolishedPaper―Determination of transmittance―Diffuse reflectance measurement
纸 透明度的测定 漫反射法
Application Summary AI generated
This standard specifies a method for measuring the transparency of paper using diffuse reflectance, where the transmittance is calculated from the reflectance of a paper sample backed by a black cavity versus a white standard. It is applied in the paper manufacturing and testing industry to evaluate the optical properties of papers such as tracing paper, glassine, and other translucent grades. The method is used for quality control and product specification verification in laboratory settings.
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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.