Download or read book GB T 3209 2009 Translated English of Chinese Standard GBT3209 2009 GB T 3209 2009 written by https://www.chinesestandard.net and published by https://www.chinesestandard.net. This book was released on 2021-10-02 with total page 8 pages. Available in PDF, EPUB and Kindle. Book excerpt: This standard specifies the test principles for determining the amount of distillation residual of benzene-type product, specimen collection, reagents, instruments, test procedures, result calculations, precision. This standard applies to the determination of the amount of distillation residual of coking benzene, coking toluene, coking xylene. Petroleum benzene products may also make reference to this standard.