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Preparation method of rapid paraquat detection test paper

A paraquat and test paper technology, applied in the field of analytical chemistry, can solve the problems of unsatisfactory analysis and detection results, low measurement sensitivity, expensive equipment and other problems, and achieve the effects of easy mass production, good selectivity, and intuitive detection.

Inactive Publication Date: 2019-01-08
UNIV OF JINAN
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Gas chromatography requires special derivatization or cracking of the sample before detection, and the operation is relatively complicated.
The detection results of mass spectrometry are accurate, reliable and reproducible, but the equipment is expensive, the technical content is high, and it is difficult to popularize and apply
The application of capillary electrophoresis technology in the detection of paraquat poisoning is still relatively small, and the analysis and detection results are not ideal, which needs further research. Due to the strong polarity and high boiling point of paraquat, the HPLC analysis method is the most reported, so HPLC Chromatography has always been the preferred detection instrument for many researchers to determine paraquat
Although UV-Vis spectrophotometry has low sensitivity and many interference factors
Although the "paraquat detection technology" currently used clinically can be qualitative and quantitative, the technology is very complicated, the detection time is long, and the cost is high

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0023] (1) Prepare solution A: In the reactor, add deionized water: 88mL, triisopropanolamine: 10g, betaine: 2.0g, stir and dissolve to obtain solution A;

[0024] (2) Prepare solution B: In the reactor, add deionized water: 82mL, ammonium chloride: 10g, stir and dissolve, then add ammonia water: 9 mL, stir and dissolve to obtain solution B;

[0025] (3) Preparation of solution C: In the reactor, add deionized: 96 mL, soluble starch: 4.0 g, heat to dissolve, cool to room temperature, and obtain solution C;

[0026] (4) Prepare solution D: In the reactor, add deionized water: 82 mL, hydroxylamine sulfate: 10 g, sodium sulfite: 8 g, stir and dissolve to obtain solution D;

[0027] (5) Preparation of test paper for rapid detection of paraquat: Immerse the quantitative filter paper in solution A for 0.5~1.0 min, take it out and dry it, then immerse it in solution B for 1~2 min, take it out and dry it, and then immerse it in solution C: solution D Put in the mixed solution with a ...

Embodiment 2

[0029] (1) Prepare solution A: In the reactor, add deionized water: 90mL, triisopropanolamine: 9g, betaine: 1.0g, stir and dissolve to obtain solution A;

[0030] (2) Prepare solution B: In the reactor, add deionized water: 80mL, ammonium chloride: 12g, stir and dissolve, then add ammonia water: 9 mL, stir and dissolve to obtain solution B;

[0031] (3) Preparation of solution C: In the reactor, add deionized: 95mL, soluble starch: 5.0g, heat to dissolve, cool to room temperature, and obtain solution C;

[0032] (4) Prepare solution D: In the reactor, add deionized water: 81 mL, hydroxylamine sulfate: 9 g, sodium sulfite: 10 g, stir and dissolve to obtain solution D;

[0033] (5) Preparation of test paper for rapid detection of paraquat: Immerse the quantitative filter paper in solution A for 0.5~1.0 min, take it out and dry it, then immerse it in solution B for 1~2 min, take it out and dry it, and then immerse it in solution C: solution D Put in the mixed solution with a vol...

Embodiment 3

[0035] (1) Prepare solution A: In the reactor, add deionized water: 89mL, triisopropanolamine: 18g, betaine: 3.0g, stir and dissolve to obtain solution A;

[0036] (2) Prepare solution B: In the reactor, add deionized water: 84mL, ammonium chloride: 10g, stir and dissolve, then add ammonia water: 7 mL, stir and dissolve to obtain solution B;

[0037] (3) Preparation of solution C: In the reactor, add deionization: 97 mL, soluble starch: 3.0 g, heat to dissolve, cool to room temperature, and obtain solution C;

[0038] (4) Prepare solution D: In the reactor, add deionized water: 82 mL, hydroxylamine sulfate: 12 g, sodium sulfite: 6 g, stir and dissolve to obtain solution D;

[0039] (5) Preparation of test paper for rapid detection of paraquat: Immerse the quantitative filter paper in solution A for 0.5~1.0 min, take it out and dry it, then immerse it in solution B for 1~2 min, take it out and dry it, and then immerse it in solution C: solution D Put in the mixed solution with a...

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PUM

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Abstract

The invention discloses rapid paraquat detection test paper prepared by a preparation method of the rapid paraquat detection test paper. The rapid paraquat detection test paper is characterized by being formed by steeping with hydroxylamine sulphate, sodium sulfite, triisopropanolamine, ammonium chloride, ammonium hydroxide, glycine betaine and starch, and using quantitative filter paper; each square centimeter of filter paper comprises 0.8-3.0 mg of hydroxylamine sulphate, 0.5-2.0 mg of sodium sulfite, 0.1-0.5 mg of triisopropanolamine, 1.0-2.0 mg of ammonium chloride, 0.5-2.0 mg of ammoniumhydroxide, 0.02-0.1 mg of glycine betaine and 0.3-1.0 mg of starch; and the filter paper can be the quantitative filter paper. The test paper is convenient to carry, convenient and rapid to operate, intuitional in detection, good in selectivity and relatively high in detection correctness and sensitivity. In the preparation process of the rapid paraquat detection test paper, the required conditions are easy to control, the energy consumption is low and the operation is simple.

Description

technical field [0001] The invention relates to a detection test paper, which belongs to the field of analytical chemistry, in particular to a preparation method of a rapid detection test paper for paraquat, which is used in the rapid detection of paraquat. Background technique [0002] Paraquat, also known as Paraquat, chemically named 1.1'-dimethyl-4.4'-dichlorodipyridine cation salt, is an organic heterocyclic contact defoliant and herbicide. Paraquat has been used as a quick-acting defoliant since 1962. Natural contact herbicides are widely used. The original drug is a white or yellow solid, easily soluble in water and widely used in agricultural weeding. It has become the most widely used herbicide in the world. However, during the use of herbicides, the environmental water and soil were polluted, and it was found that it had a greater impact on human health. After the human body accidentally ingests or directly contacts with paraquat, it can be absorbed through the ga...

Claims

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Application Information

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IPC IPC(8): G01N21/78
CPCG01N21/78
Inventor 李慧芝许崇娟李冬梅
Owner UNIV OF JINAN
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