Home / Standards / GB/T 4702.14-1988 GB/T 4702.14-1988 Active Methods for chemical analysisof chromium metal--The infrared absorption method for the determination of carbon content 金属铬化学分析方法 红外线吸收法测定碳量 Standard Type GBT ICS 77.120.40 CCS H11 Status 现行 Issue Date 1988-02-21 Implementation 1989-03-01 Responsible Dept 中国钢铁工业协会 Drafting Unit N/A