Home / Standards / GB 11067.7-89 GB 11067.7-89 Silver — Methods for chemical analysis — Determination of copper, bismuth, iron, lead, gold and antimony contents by emission spectrometry 银化学分析方法 发射光谱法测定铜、铋、铁、铅、金和锑量 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