Home / Standards / GB 4702.14-88 GB 4702.14-88 Chemical Analysis Methods for Metallic Chromium — Determination of Carbon Content by Infrared Absorption Method 金属铬化学分析方法 红外线吸收法测定碳量 Standard Type GB ICS N/A CCS N/A Status N/A Issue Date N/A Implementation N/A Responsible Dept N/A Drafting Unit N/A