浅析库仑滴定法测定全硫准确度的影响因素

鞠艳美(品质保证部):分析了库仑滴定法测定全硫过程中易出现的问题,提出了改进意见和注意事项:库仑滴定法硫准确度Abstract:ThispaperanalyzestheproblemsapttooccurintheprocedureofthedeterminationoftotalSbycoulombtitration,putsforwardimprovementadviceandnoticeproblems.KeyWords:coulombtitration,sulphur,accuracy1,71%,,SO2,SO2H2SO3H2SO4,,,,(),,,,,,221,,,,,,,,SO2,,,,,,22,,,,,;,,,(),23,,,,,24PH,:I2+H2SO3+H2O2I-+H2SO4+2H+,I-,I2,442(122)4I-+O2+4H+2I2+2H2OI2,PH125,,,,:(),,,(5g10mL,,100mL),,2~3,,,,,,,,,,3,,:!;∀;#,,;∃PH1;%,1鹤壁市天龙煤质仪器有限公司编DL400A型快速测硫分析仪使用说明书郑州:河南科学技术出版社,20002杨金和煤质化验仪器的使用与维修,北京:煤炭工业出版社,19983许海玲浅谈库仑法测全硫过程中易出现问题及解决办法煤炭技术,2003:(24),,,,,,,,,,441,,,,,,,,,,,:L-HM46,:L-HM3242,,(O),,(),,,,,,,,,,,,:4520064