摘要
采用无水碳酸钠+硼酸混合溶剂熔融样品,水浸出,加盐酸蒸干后,于盐酸介质中加动物胶凝聚,过滤.沉淀灼烧称重.滤液中的残余SiO2采用电感耦合等离子体发射光谱仪进行测定.按照此实验方法对钢渣样品进行测定,测得SiO2的回收率在98.9%~100.8%,相对标准偏差<1%.实验结果表明,该方法精密度高,结果准确可靠.
The mixture of anhydrous sodium carbonate and boric acid was used to melt the sample,which was leached by water,evaporated by hydrochloric acid,condensed by animal glue in hydrochloric acid medium and filtered.The precipitate is burnt and weighed.The residual silica in the filtrate was determined by ICP-AES.According to the experimental method,the steel slag samples were determined.The recovery of silica is 98.9%~100.8%,and the RSD is less than 1%.The experimental results show that the method is accurate and reliable.
作者
张莉
ZHANG Li(Shandong Metallurgical Research Institute Co.,Ltd.,Jinan 250014,China)
出处
《山东冶金》
CAS
2020年第3期48-49,共2页
Shandong Metallurgy
关键词
钢渣
SIO2
动物胶
重量法
电感耦合等离子体发射光谱法
steel slag
SO2
animal glue
gravimetric method
inductively coupled plasma atomic emission spectrometry
作者简介
张莉,女,1980年生,2006年毕业于北京工业大学材料学专业。现为山东省冶金科学研究院有限公司高级工程师,从事标准样品/标准物质研制与材料分析测试方法的研究与咨询工作。
