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Application of 1-naphthyl-3, 4, 5-tri(hexadecyloxyl) benzoyl hydrazone as sensor in fluorescent identification of silver ions

A kind of technology of hexadecyloxy group and benzoyl hydrazone

Inactive Publication Date: 2014-05-28
NORTHWEST NORMAL UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, so far, 1-naphthalene-3,4,5-tris(hexadecyloxy)benzoylhydrazone has not been reported as a sensor molecule for the detection of cations

Method used

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  • Application of 1-naphthyl-3, 4, 5-tri(hexadecyloxyl) benzoyl hydrazone as sensor in fluorescent identification of silver ions
  • Application of 1-naphthyl-3, 4, 5-tri(hexadecyloxyl) benzoyl hydrazone as sensor in fluorescent identification of silver ions
  • Application of 1-naphthyl-3, 4, 5-tri(hexadecyloxyl) benzoyl hydrazone as sensor in fluorescent identification of silver ions

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Embodiment Construction

[0025] The method for detecting anions of the present invention will be further described below through specific examples.

[0026] 1. Identify silver ions

[0027] Dissolve 1-naphthalene-3,4,5-trihexadecyloxybenzoylhydrazone in ethanol (2.0 × 10 -5 ~2.0×10 -4 mol / L), adding Ag to it + , Mg 2+ , Ca 2+ , Cr 3+ , Fe 3+ ,Co 2+ , Ni 2+ , Cu 2+ , Zn 2+ , Cd2+ , Hg 2+ and Pb 2+ For cationic solution, under the ultraviolet lamp with a wavelength of 366nm, if the solution emits strong blue fluorescence, it is Ag + solution, if the fluorescence of the solution does not change significantly, it is the cationic solution that was added.

[0028] two, Determination of silver ions in drinking water

[0029] Dissolve 1-naphthalene-3,4,5-tris(hexadecyloxy)benzoylhydrazone in ethanol solution (2.0×10 -5 ~2.0×10 -4 mol / L), adding drinking water to it, under the ultraviolet lamp with a wavelength of 366nm, if the solution emits strong blue fluorescence, it means that Ag in dr...

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Abstract

The invention discloses an application of 1-naphthyl-3, 4, 5-tri(hexadecyloxyl) benzoyl hydrazone as a silver ion sensor in fluorescent identification of silver ions in an aqueous solution, and belongs to the technical field of cationic detection. Experiments show that 1-naphthyl-3, 4, 5-tri(hexadecyloxyl) benzoyl hydrazone can realize single response of the silver ions in an ethanol solution and can be used for highly selective fluorescence colorimetric identification of the silver ions, furthermore the identification process is not interfered by other ions. The lower limit of detection for the silver ions can reach 1.2*10<-7>mol / L, the sensitivity and selectivity are high, and the detection time can be shortened and the detection process is simplified. Therefore, the 1-naphthyl-3, 4, 5-tri(hexadecyloxyl) benzoyl hydrazone has good application prospect in the detection of the silver ions.

Description

technical field [0001] The invention belongs to the technical field of cation detection and relates to a specific application of using 1-naphthalene-3,4,5-tris(hexadecyloxy)benzoylhydrazone as a silver ion sensor to fluorescently identify silver ions in aqueous solution. Background technique [0002] Silver ion is a cation with a wide range of applications, for example in pharmaceuticals, photography, electronics, spectroscopy and production of jewellery, coins, batteries, photocells, bearings, catalysis, topical gels, professional bandages, implantable Prosthesis, preparation of ureter and disinfection of drinking water and other fields. About 2,500 tons of silver are discharged into the environment from industrial waste every year, of which 150 tons come from sediments of wastewater and 80 tons come from surface water. Silver ions are not as toxic to the human body as other heavy metal ions, but when the concentration of silver ions reaches 1.6nM, they are toxic to organi...

Claims

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Application Information

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IPC IPC(8): G01N21/64G01N21/78
Inventor 林奇杨青平孙斌张有明魏太保
Owner NORTHWEST NORMAL UNIVERSITY
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