采用靛蓝二磺酸钠分光光度法测定环境空气中的臭氧_O_3_杨丽香.pdfVIP

2007 6 17 6 Chinese Journal ofH ea lth La oratory Technology, Jun 2007; Vol 17 No 6 1029 采用靛蓝二磺酸钠分光光度法测定环境空气中的臭氧( O ) 3 杨丽香, 孙润泰, 杨慧芳 (, 150010) [ ] : : , , : 01 2~ 11 0 Lg /m l, (r = 0199996), 9818% , 214% , 0114~ 1010 L g/ 10 m l, 3 01 015 mg /m ( 20 L): [ ] 靛蓝二磺酸钠; 环境空气; 臭氧 [ ] O657132 [] A [] 1004- 8685( 2007) 06- 1029- 02 Application of indigo disulfonic acid sodium spectrophotometry for determination of o- zone in ambientair Yang L i-x iang, S un R un-ta i, Yang H ui-f ang ( H ar in Center for D isease Control and Prevention, H ar in 150010, China) [Abstract] Objective: Spectrophotom etric m ethod determ ination of ozone in am ien t air y using ind igo disulfonic acid sod ium is aw ell method1Methods: Accord ing to the degree of color change, the ozone in the am ient air causes the indigo d isulfonic acid sodium d iscoloration response a new colorless production1Results:The linear relation w as good ( r = 0199996), the average of o- zone was 9818% and the relative standard deviationw as 214% w hen the concentration of am ien t air of ozone w as in the range of 3 01 2~ 11 0 L g/m l1The lowest detection concentration w as 01015 m g/m ( samp ling 20 L ) w hen the range of determ ination w as 01 14~ 101 0 L g/ 10 m l1Conclusion: It is a smi ple, fastm ethod of h igh selectivity and sensitivity1 [ eywords] Indigo d isu lfonic acid sodium; Am ien t air; O zone ( O ) 95% ~ 104% , 9818% 3 , , , , , , , 1 111 原理 ,