www.chinesestandard.net › PDF-EN › GBT12496GB/T 12496.8-2015 - chinesestandard.net
This standard replaces GB/T 12496.8-1999 “Test methods of wooden activated carbon-Determination of iodine number”. ADJUST the ratio of potassium iodide to iodine from 2.0:1 in the original standard to 1.5:1.