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络合萃取法提取6-硝基-1 2-重氮氧萘-4-磺酸
引用本文:谭世语,罗建富,周铭,任竞争. 络合萃取法提取6-硝基-1 2-重氮氧萘-4-磺酸[J]. 重庆大学学报(自然科学版), 2009, 32(10): 1193-1196
作者姓名:谭世语  罗建富  周铭  任竞争
作者单位:重庆大学化学化工学院,重庆,400030;重庆大学化学化工学院,重庆,400030;重庆大学化学化工学院,重庆,400030;重庆大学化学化工学院,重庆,400030
摘    要:用络合萃取法对6-硝生产母液中的6-硝基-1,2-重氮氧萘-4-磺酸进行了萃取研究.在室温下,以体积分数30%的三辛胺(N-235)氯仿溶液为萃取剂,萃取荆与母液体积比1:1,萃取60Min,萃取可率达96.1%;以质量分数12%的NaOH溶液为反萃取剂反萃有机相,有机相与NaOH溶液体积比2:1,反萃取60 Min,反萃取率可达94.3%.

关 键 词:络合萃取  提取  6-硝基-1  2-重氮氧萘-4-磺酸  三辛胺  氯仿
收稿时间:2009-04-20

Complexometric extraction based technique for the extraction of 6 Nitro 1 and 2 Azoxynaphthalene 4 Sulfonic acid
TAN Shi yu,LUO Jian fu,ZHOU Ming and REN Jing zheng. Complexometric extraction based technique for the extraction of 6 Nitro 1 and 2 Azoxynaphthalene 4 Sulfonic acid[J]. Journal of Chongqing University(Natural Science Edition), 2009, 32(10): 1193-1196
Authors:TAN Shi yu  LUO Jian fu  ZHOU Ming  REN Jing zheng
Abstract:A complexometric extraction method of extracting 6 nitro 1 and 2 azoxynaphthalene 4 sulfonic acid in its mother solution is studied. At the room temperature, taking 30(v) trioctylamine(N 235) chloroform solution as an extractant, when the extractant and mother solution volume ratio is 1:1 and extracting 60 minutes, the extraction yield can reach 96.1. Using 12(m) NaOH solution as a strip agent, when the organic phase and strip agent volume ratio is 2:1 and stripping 60 minutes, the strip yield can reach 94.3.
Keywords:complexometric extraction  extract  6-nitro-l,2-azoxynaphthalene-4-sulfonic acid  trioctylamine  chloroform
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