ICP-OES分析轻质石油产品中硅含量的方法  

Determination on Silicon Content in Light Petroleum Products with ICP-OES

作　　者：谭良锋 邹国雁 黄俊源 TAN Liang-feng;ZOU Guo-yan;HUANG Jun-yuan(Guangdong Maoming Quality&Measuring Supervision Testing Institute,Maoming 525000,China)

机构地区：[1]广东省茂名市质量计量监督检测所,广东茂名525000

出　　处：《化工管理》2021年第20期62-64,共3页Chemical Engineering Management

摘　　要：利用电感耦合等离子体发射光谱法建立了轻质石油产品硅含量的分析方法。在预设好的实验条件下采用有机进样系统直接进样分析,以硅含量为横坐标与对应的强度为纵坐标在波长251.611 nm或288.158 nm建立定量校正曲线,稀释倍数为5倍,雾化器温度需设置低于-20℃,石脑油和碳五硅含量的定量相对标准偏差(RSD)不超过7.6%,回收率在96%~102%,能够满足日常分析的需要。A method for the determination of silicon content in light petroleum products by ICP-OES was established.Under the preset experimental conditions,the organic injection system was used for direct injection analysis.A quantitative calibration curve was established at wavelength 251.611 nm or 288.158 nm using silicon content as horizontal coordinate and corresponding strength as longitudinal coordinate,and the dilution factor was 5 times,the atomizer temperature should be set below-20℃.The relative standard deviation(RSD)of Si content in Naphtha and C5 is less than 7.6%,and the recovery is 96%~102%,which can meet the needs of daily analysis.

关 键 词：电感耦合等离子体—发射光谱法 硅含量 轻质石油产品 碳五 石脑油 汽油 

分 类 号：TF533.21[冶金工程—钢铁冶金]