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HAP (hydroxyapatite) nano probe for detecting heavy metal ions in water and method for preparing HAP nano probe

A heavy metal ion and nanoprobe technology, applied in the field of material chemistry, can solve the problem of increasing demand for rapid detection technology of environmental pollutants, and achieve the effects of high sensitivity, improved detection efficiency and low cost

Inactive Publication Date: 2012-08-01
EAST CHINA UNIV OF SCI & TECH
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  • Summary
  • Abstract
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AI Technical Summary

Problems solved by technology

With the continuous development of the economy and the improvement of people's living standards, people's requirements for environmental quality have been continuously improved, and the number and types of environmental samples to be tested have increased rapidly. The traditional detection technology has been unable to meet this demand. Therefore, environmental pollutants The demand for rapid detection technology is getting higher and higher

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0016] Measure 20 μL of fluorescein saturated solution and 1980 μL of deionized water, and add them to a 10ml beaker at the same time. After stirring evenly, weigh 2 mg of HAP nanoribbon assembly balls and add them to the beaker, stir for 12 hours, and seal the obtained uniform suspension. The HAP nanoprobe can be obtained.

Embodiment 2

[0018] Measure 20 μL of fluorescein saturated solution and 1980 μL of deionized water, and add them to a 10ml beaker at the same time. After stirring evenly, weigh 10 mg of HAP nanoribbon assembly balls and add them to the beaker, stir for 12 hours, and seal the obtained uniform suspension. The HAP nanoprobe can be obtained.

Embodiment 3

[0020] Measure 40 μL of fluorescein saturated solution and 1960 μL of deionized water, and add them to a 10ml beaker at the same time. After stirring evenly, weigh 2 mg of HAP nanoribbon assembly balls and add them to the beaker, stir for 12 hours, and seal the obtained uniform suspension. The HAP nanoprobe can be obtained.

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PUM

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Abstract

The invention belongs to the technical field of material chemistry, and particularly relates to an HAP (hydroxyapatite) nano probe for detecting heavy metal ions in water and a method for preparing the HAP nano probe. The method includes: using a simple and quick one-step synthetic method to dilute saturated fluorescein solution with deionized water, well mixing, adding HAP nano strip combined balls, well stirring for 12 hours, and hermetically storing the obtained turbid liquid to obtain the HAP nano probe for detecting heavy metal ions in water. The method for preparing the HAP nano probe is simple, low in cost and widely applicable to detection of heavy metal ions in sewage and has the advantages of small usage, wide detection range, low detection limit and the like, and the turbid liquid can be hermetically stored for a long time.

Description

technical field [0001] The invention belongs to the technical field of material chemistry, and in particular relates to a HAP nanoprobe for detecting heavy metal ions in water and a preparation method thereof. Background technique [0002] Certain trace heavy metals are essential trace elements for the human body within a certain concentration range, but if the amount entering the human body exceeds the tolerance limit of the human body, it can cause serious physiological damage and cause various diseases. Therefore, it is very necessary to control environmental wastewater and accurately determine the content of heavy metals and transition metals in polluted water. At present, there have been many technical accumulations on the detection of heavy metal ions at home and abroad. For example, Zou Shaofang et al. developed a new type of heavy metal detection system based on electrochemical stripping voltammetry, which realized the detection of zinc, cadmium, lead, and Automatic...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N21/64
Inventor 刘金库李光明卢怡张乃千王燕
Owner EAST CHINA UNIV OF SCI & TECH
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