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Abstract:
研究了基于有机杂化硅氧烷的Hg2+光化学传感膜,通过四甲氧基硅烷(TMOS)和二甲基二甲氧基硅烷(DMOS)进行缩聚,将5,10,15,20-四苯基卟啉磺酸钠与十六烷基三甲基溴化铵以离子对的形式包埋于溶胶-凝胶中,获得对Hg2+有灵敏荧光响应的溶胶-凝胶敏感膜.实验考察了传感膜的制备条件和响应性能.结果表明,在pH 8.0的Tris-HCl缓冲溶液中,Hg2+的浓度与传感膜的荧光猝灭比值在1.0×10-5~1.0×10-4mol·L-1范围内呈线性关系,传感膜具有响应时间短,指示剂不泄漏,测定重现性好,其他金属离子干扰小等优点.
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光谱学与光谱分析
ISSN: 1000-0593
CN: 11-2200/O4
Year: 2006
Issue: 7
Volume: 26
Page: 1281-1284
0 . 6 6 6
JCR@2006
0 . 7 0 0
JCR@2023
ESI Discipline: CHEMISTRY;
JCR Journal Grade:4
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WoS CC Cited Count: 0
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ESI Highly Cited Papers on the List: 0 Unfold All
WanFang Cited Count:
Chinese Cited Count:
30 Days PV: 3
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