络合萃取法提取6-硝基-1,2-重氮氧萘-4-磺酸罗建富,谭世语,任竞争,周铭(重庆大学化学化工学院,重庆,400044)摘要本论文通过对母液中用络合萃取法提取6-硝基-1,2-重氮氧萘-4-磺酸的研究,得出最佳萃取条件和反萃取条件:在室温下,以30%N-235+70%氯仿(v:v)为萃取剂,萃取剂与母液体积比1:1,萃取60分钟,萃取率达96
1%;以质量分数12%(m:v)的NaOH溶液为反萃取剂,反萃取络合物,萃取有机相与NaOH溶液反萃取剂相比为2:1,反萃取60分钟,反萃取率达94
从而成功地将6-硝有机物分离出来
关键词络合萃取萃取剂络合剂分离Complexometricextraction-basedTechniquefortheExtractionof6-Nitro-1,2-Azoxynaphthalene-4-sulfonicacidLUOJian-fu,TANShi-yu,RENJing-zheng,ZHOUMing(SchoolofChemistryandChemicalEngineering,ChongqingUniversity,Chongqing400030,China)AbstractThispaperstudiesthecomplexometricextractionoftheorganicin6-Nitro-1,2-Azoxynaphthalene-4-sulfonicacidmothersolution,concludingtheoptimumextractionconditionsandstrip-extractionconditions,thatis,attheroomtemperature,30%N-235+70%chloroform(volumetovolume)asextractingagent,whentheextra