Download or read book GB T 23774 2009 Translated English of Chinese Standard GBT 23774 2009 GB T23774 2009 GBT23774 2009 written by https://www.chinesestandard.net and published by https://www.chinesestandard.net. This book was released on 2021-02-20 with total page 8 pages. Available in PDF, EPUB and Kindle. Book excerpt: This Standard specifies the terms and definitions, instruments and apparatuses, test procedures and result calculation of the general method for the determination of whiteness of inorganic chemicals for industrial use by the whiteness meter. This Standard applies to the determination of whiteness of powder products in inorganic chemicals for industrial use.