中国有色金属工业总公司委托甘肃省冶金厅,对白银矿冶研究所和白银有色金属公司研制的“SDF—1型X荧光分析仪”、“黄药浓度测定仪”、“SX—2型竖井卷扬信号发送器和接收器”等三项科技成果进行技术鉴定。鉴定会于1983年10月28～31日在兰州召开,参加这次鉴定会的有来自全国32个单位的78名代表。白银矿冶研究所研制的SDF—1型多道X荧光光谱仪是实验室用的大型分析仪器,有9个测量道, China Nonferrous Metals Industry Corporation commissioned the Metallurgical Office of Gansu Province, the Institute of Silver Mining and Silver Nonferrous Metals Company developed the “SDF-1 X fluorescence analyzer,” “Xanthate concentrations”, “SX-2-type shaft Winch signal transmitter and receiver ”and other three scientific and technological achievements of technical appraisal. The appraisal meeting was held in Lanzhou from October 28 to October 31, 1983. There were 78 representatives from 32 units nationwide attending this appraisal meeting. SDF-1 multi-channel X-ray fluorescence spectrometer developed by the Institute of Silver Mining and Metallurgy is a large-scale analytical instrument used in the laboratory. There are 9 measurement channels,