Download or read book GB T 26398 2017 Translated English of Chinese Standard GBT26398 2017 written by https://www.chinesestandard.net and published by www.ChineseStandard.net. This book was released on 2021-09-03 with total page 27 pages. Available in PDF, EPUB and Kindle. Book excerpt: This Part of GB/T 24981 specifies the determination method of afterglow brightness of rare earth long afterglow phosphors. This Part applies to the determination of the afterglow brightness of rare earth long afterglow phosphors.