碳化硼微粉中微量硅的测定研究

Journal Title: Science Paper Online - Year 2008, Vol 3, Issue 6

Abstract

本文依照硅钼蓝法原理,以抗坏血酸为还原酸,柠檬酸调节酸度还原硅钼黄,探讨碳化硼微粉中微量硅含量的测定方法,考察研究操作中各步骤的最佳工艺及其对硅含量分析精确度的影响。结果表明:本方法分析精度高且重现性好,适合于碳化硼微粉中微量硅(质量分数:0.01% ~5%)的测定。

Authors and Affiliations

Zhilei ZHANG, Junwei YE, Junqiang LI

Keywords

Related Articles

Effect of aeration on characteristics of the activated sludge and membrane fouling in a submerged membrane bioreactor

Laboratory experiments on submerged MBR were carried out to investigate the influence of aeration on characteristics of the activated sludge and membrane fouling. Results showed that membrane fouling included 2 stages un...

一种方形及矩形同轴线截止波长的实用计算公式

采用有限元数值算法计算出多种横截面尺寸下方形及矩形同轴线的截止波长,对所求数据分析表明,方形及矩形同轴线截止波长与其横截面周长存在一定线性比例关系,再通过Matlab数据拟合,求出比例系数,最终得到截止波长的近似计算公式。经检...

铁磁体/共振隧穿二极管复合器件中的<br /> 自旋注入研究<br />

本文在共振遂穿二极管(RTD)的基础上引入自旋,研究了这种铁磁体(FM)/RTD复合结构中的自旋输运行为。结果表明:器件的自旋极化率随着费米能呈现类周期性振荡;这种振荡行为还与器件的尺寸有关系,随着RTD厚度减小,峰宽增大。该器件中的自...

A visualization design option of the jetty mooring monitoring system

The paper illustrates foreign researches and applications in the jetty mooring monitoring system. Furthermore, this paper presents a newly designed jetty mooring monitoring system based on wireless network. In the new sy...

Interface of SiCf/Ti-matrix composites

SiC fiber reinforced Ti-matrix composites are important materials for the application in aerospace. However, the interfacial reaction between fiber and matrix degenerates the mechanical properties of the composites. With...

Download PDF file
  • EP ID EP91376
  • DOI -
  • Views 85
  • Downloads 0

How To Cite

Zhilei ZHANG, Junwei YE, Junqiang LI (2008). 碳化硼微粉中微量硅的测定研究. Science Paper Online, 3(6), 419-422. https://europub.co.uk/articles/-A-91376