摘要
采用双层安全炉熔炼镁合金和环壁式除渣法清除结晶器中的氧化皮和夹渣等技术,研制了新型镁合金Mg-Al-Zn-Y光谱标准样品。考察了标准样品的均匀性和稳定性,该标准样品有效期为5年。使用先进的数据处理软件(StndMtrl),对多家单位协作分析定值原始数据进行检验和计算,得到标准样品的标准值和标准偏差。用化学法对标准样品进行氧化上色,防止表面氧化腐蚀。
New CRM of magnesium alloy Mg-AI-Zn-Y for spectral analysis was developed and prepared. During its preparation, the technique ＂Double Layer Safety＂ was employed to melt magnesium, and ＂All Around Inner Wail Deslagging Method＂ to remove the oxide skin and slag in the mold. The stability and uniformity of the CRM were investigated and the period of validity of the CRM was 5 years. The newly updated software ＂Data-Processing System （StndMtrl） ＂ was employed to test and compute the original data from cooperation certificating of several laboratories and then the standard certification and deviation were obtained. The prepared CRM was anodized to keep it from surface oxidation corrosion.
出处
《化学分析计量》
CAS
2011年第6期9-12,共4页
Chemical Analysis And Meterage
基金
重庆市科委项目(CSTC.2009AB4007)
