Home / Standards / GB/T 7702.7-2023 GB/T 7702.7-2023 Active Test method for granular activated carbon from coal—Part 7 ： Determination of iodine number 煤质颗粒活性炭试验方法 第7部分：碘吸附值的测定 Standard Type GBT ICS 75.160.10 CCS D24 Status 现行 Issue Date 2023-05-23 Implementation 2023-05-23 Responsible Dept 中国煤炭工业协会 Drafting Unit N/A