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对磺酸基苯亚甲基若丹宁固相萃取光度法测定水中的汞
Solid phase extraction spectrophotometric determination of mercury in water with p-sulfobenzylidene-rhodanine</p> <span class="by"></span>
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<p class='class'><strong>文献类型：</strong>期刊文章</p><p class='author'><strong>作 者：</strong><b class='type_ico_id'></b>胡秋芬[1] <b class='type_ico_id'></b>杨光宇[1] <b class='type_ico_id'></b>尹家元[2] </p><p class='en'> </p><p class='organ'><strong>机构地区：</strong><b class='type_ico_id'></b>[1]玉溪师范学院化学系,玉溪653100 <b class='type_ico_id'></b>[2]云南大学化学系,昆明650091 </p><p class='from'><strong>出 处：</strong><a target='_blank'><b class='type_ico_id'></b></a>《分析试验室》</p><p class='fund'><strong>基 金：</strong>.NULL.</p><p class='class'><strong>年 份：</strong>2002</p><p class='class'><strong>卷 号：</strong>21</p><p class='class'><strong>期 号：</strong>4</p><p class='class'><strong>起止页码：</strong>93-95</p><p class='class'><strong>语 种：</strong>中文</p><p class='class'><strong>收录情况：</strong>BDHX、BDHX2000、CAS、CSA、CSA-PROQEUST、CSCD、CSCD2011_2012、JST、PROQUEST、RCCSE、RSC、ZGKJHX、核心刊</p><p class='abstrack'><strong>摘 要：</strong>研究了对磺酸基苯基亚甲基若丹宁(SBDR)与汞的显色反应,在pH4.0的HAc NaAc缓冲介质中,吐温 80存在下,SBDR与汞反应生成2∶1稳定络合物,该络合物可被WatersPorapak Sep Park C18固相萃取小柱萃取,用乙醇洗脱后在乙醇介质中λmax=520nm,可用分光光度法测定,体系ε=1.16×105L/mol·cm。汞含量在0μg/mL～1.5μg/mL内符合比尔定律,方法可用于水样中汞含量的测定。</p><p class='subject'><strong>关 键 词：</strong>对碘酸基苯亚甲基若丹宁 <b class='type_ico_id'></b>固相萃取光度法 测定 <b class='type_ico_id'></b>汞 <b class='type_ico_id'></b>饮用水 </p><p class='class'><strong>分 类 号：</strong>TU991.21] R123.1] </p>
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