Home / Standards / GB/T 4702.3-2016 GB/T 4702.3-2016 Active Chromiun metal—The determination of phosphorus content—Bismuth phosphate molybdenum blue spectrophotometric method 金属铬 磷含量的测定 铋磷钼蓝分光光度法 Standard Type GBT ICS 77.100 CCS H11 Status 现行 Issue Date 2016-08-29 Implementation 2017-07-01 Responsible Dept 中国钢铁工业协会 Drafting Unit N/A