Download or read book GB T 2293 2019 Translated English of Chinese Standard GBT 2293 2019 GB T2293 2019 GBT2293 2019 written by https://www.chinesestandard.net and published by https://www.chinesestandard.net. This book was released on 2019-09-14 with total page 9 pages. Available in PDF, EPUB and Kindle. Book excerpt: This Standard specifies test principle, instruments and reagents, sampling and preparation of sample, test steps, test result calculation and allowable deviation for coal tar and quinoline-insoluble for pitch products of coal carbonization that uses coal tar to produce. This Standard is applicable to determinations of contents of coal tar and quinoline-insoluble for pitch products of coal carbonization that uses coal tar to produce.