南华大学学报（自然科学版）Issue(3)：78-81,4.
硫化汞光散射法检测环境水样中痕量汞
Determination of Trace Mercury in Environmental Water with Mercuric Sulfide by Light Scattering Method
摘要
Abstract
A new Light Sattering ( RLS) method for the determination of trace Mercury in water was established. In alkaline medium,sodium sulphide ( Na2 S) reacted with mercury ions generated mercuric sulfide ( HgS) particles,resulting in the enhancement of light scat-tering intensity. At 468 nm wavelength,the intensity of light scattering was proportional to the concentration of mercury ion in the range of 2. 48 × 10 -10 ~6. 00 × 10 -9 mol/L. The linear regression equation was △I = 34 . 05 c + 14 . 2 with a correlation coefficient of 0. 9988, and the detection limit was 7. 44 × 10 -11 mol/L. The recovery rates were 98 . 80% ~103 . 00%.关键词
硫化汞/汞/光散射Key words
Mercuric Sulphide/Mercury/Light Scattering分类
化学化工引用本文复制引用
杨胜园,于军晖,杨慧仙,徐小娜,陈志英..硫化汞光散射法检测环境水样中痕量汞[J].南华大学学报（自然科学版）,2015,(3):78-81,4.基金项目
国家自然科学基金资助项目(11205085) （11205085）
湖南省自然科学基金资助项目(14JJ3101) （14JJ3101）
