摘要
采用NaOH熔融、蒸馏水浸取、盐酸中和并酸化、氟化物解聚和钼酸铵显色测定铁矿石中的二氧化硅。本方法的检出限为0.10%。本实验以测定了国家一级铁矿标样来验证方法的准确度和精密度,测定结果与标准值相符,且测定12次的相对标准偏差(RSD)均小于10%。
This paper introduced determination of SiO： in iron ore using NaOH fusion, distilled water extraction, hydro- chloric acid neutralization and acidification, fluoride deploymerization and ammonium molybdate coloration. This meth- od has detection limit of 0.10%. It was performed on national first-grade iron ore standard to confirm the accuracy and precision of the method. The test results conformed to the standard, with relative standard deviations less than 10% for 12 determinations.
出处
《安徽地质》
2012年第4期305-307,共3页
Geology of Anhui
