paper whiteness

paper whiteness, Total:6 items.

The international standard classification for "paper whiteness" includes: Products of the chemical industry in general .

The Chinese standard classification for "paper whiteness" includes: Basic standards and general methods for dye .

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General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China

• GB/T 23979.2-2009 Fluorescent whitening agents—Determination of relative whiteness and shade—Dyeing method for paper

GOST

• GOST 7690-1976 Pulp paper and board. Method of determination of brightness

GSO

• GSO ISO 11475:2007 Paper and board — Determination of CIE whiteness, D65/10° (outdoor daylight)

CZ-CSN

• CSN 50 0367-1962 Surface strength of páper Paper testing
• CSN 50 0318-1961 Paper testing methods —Opacity of páper

IT-UNI

• UNI 7623-1976 Paper and cardboard tests. Determination of blue luminescence index (whiteness). Tungsten lamp method

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