论文部分内容阅读
用管式炉燃烧分离出硫 ,被过氧化氢水溶液吸收、氧化 ,在 0 0 8～ 0 1mol/L盐酸介质中 ,SO2 - 4与Ba2 + 生成BaSO4悬浮液 ,在 42 0nm处进行比浊。此方法简便 ,结果可靠 ,RSD =7 8%
Sulfur was separated by combustion in a tube furnace and was absorbed and oxidized by aqueous hydrogen peroxide solution. BaSO4 was generated from SO2 - 4 and Ba2 + in a medium of 0 ~ 8 ~ 0 1mol / L hydrochloric acid and turbid at 4200nm. This method is simple and reliable, with RSD = 78%