Home / Standards / GB/T 34323-2017 GB/T 34323-2017 Active Carbon black—Determination of light transmittance of water dispersion—Spectrophotometer method 炭黑 水分散体透光率的测定 分光光度计法 Standard Type GBT ICS 83.040.30 CCS G49 Status 现行 Issue Date 2017-09-07 Implementation 2018-04-01 Responsible Dept 中国石油和化学工业联合会 Drafting Unit N/A