Immobilization of Tetrabutyl Thiuram Disulfide in Chitosan Thin Film for Sensing Zinc Ion Using Surface Plasmon Resonance Spectroscopy

被引：0

作者：

Fen, Yap Wing ^{[1
]}

Yunus, W. Mahmood Mat ^{[1
]}

Talib, Zainal Abidin ^{[1
]}

机构：

[1] Univ Putra Malaysia, Fac Sci, Dept Phys, Upm Serdang 43400, Selangor, Malaysia

来源：

SENSORS AND MATERIALS | 2013年 / 25卷 / 02期

关键词：

surface plasmon resonance; tetrabutyl thiuram disulfide; chitosan; zinc ion; HEAVY-METAL IONS; AQUEOUS-SOLUTIONS; OPTICAL SENSOR; COPPER; ADSORPTION; REMOVAL; MERCURY; NANOPARTICLES; BEADS; LEAD;

D O I：

暂无

中图分类号：

TH7 [仪器、仪表];

学科分类号：

0804 ; 080401 ; 081102 ;

摘要：

Tetrabutyl thiuram disulfide (TBTDS) immobilized in chitosan thin film has been studied as a sensor element for zinc ion, Zn2+, using surface plasmon resonance (SPR). The TBTDS-immobilized chitosan thin film, which acts as an active layer, was coated on a gold film by spin coating. Zn2+ can be detected by measuring the SPR signal when TBTDS-immobilized chitosan thin film contacts with Zn2+ in solution. The sensor produced a linear response for Zn2+ ranging from 0.1 to 1 ppm with a sensitivity of 0.0317 degrees ppm(-1). Using immobilized TBTDS as an active layer, the Zn2+ can also be selectively detected when present in mixtures of heavy metal ions.

引用

页码：99 / 108

页数：10

共 40 条

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