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Platinum complex and preparation method and application thereof

A technique for platinum complexes and mixtures, applied in the field of platinum complexes and their preparation, can solve the problems of expensive use of instruments, complicated operation steps, large errors and the like, and achieve the effects of simple synthesis method, good application prospect and simple structure

Pending Publication Date: 2019-07-12
LANZHOU UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, the above-mentioned detection methods are relatively cumbersome in operation steps, expensive in use, require high professional skills of inspectors, and are sometimes interfered by other ions (such as chloride ions and sulfate ions), resulting in relatively large errors. Issues such as not being intuitive and fast enough limit the use of these methods

Method used

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  • Platinum complex and preparation method and application thereof
  • Platinum complex and preparation method and application thereof

Examples

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Effect test

Embodiment 1

[0026] Example 1 (Preparation of Pt-LZU)

[0027] Step 1. Synthesize intermediate dichlorobis(2-phenylpyridine) diplatinum(II): place a mixture of 2-ethoxyethanol and water (40mL, volume ratio 3:1) containing K 2 PtCl 4 (0.208g, 0.5mmol) and 2-phenylpyridine (0.233g, 1.5mmol) in a flask; under the protection of argon, the mixture was stirred at 80°C for 24 hours; after the mixture was cooled to room temperature, 40 mL was slowly added Water, filter the yellow solid precipitate, wash with water and ethanol; Yield: 91%, Yield: 0.19g;

[0028] Step 2. Synthesis of intermediate tetrabutyl dichloro (2-phenylpyridine) platinum (II) acid ammonium: to intermediate dichloro bis (2-phenylpyridine) platinum (II) (0.19g) , 0.45mmol) 20mL of CH 3 Add tetrabutylammonium chloride (0.25g, 0.9mmol) in 10mL CH to the CN solution dropwise 3 CN solution, and the resulting mixture was stirred at room temperature for 30 minutes; the reaction mixture was filtered to remove insolubles, and then excess eth...

Embodiment 2

[0035] Example 2 (using the platinum complex of Example 1 as a probe to detect perchlorate ion in aqueous solution)

[0036] 1. The coloring experiment of platinum complex probe aggregation:

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Abstract

The invention discloses a platinum complex and a preparation method and application thereof, and relates to the technical field of chemical analysis and detection. The preparation method of the platinum complex comprises the steps: using potassium tetrachloroplatinate as a raw material, and performing compound coordination on potassium tetrachloroplatinate with 2-phenylpyridine and 1,10-phenanthroline so as to obtain the platinum complex which is labeled as Pt-LZU. The invention provides a probe for detecting perchlorate ions in an aqueous solution, and the probe comprises the platinum complex. The invention also provides the application of the platinum complex in detection of perchlorate ions in an aqueous solution. Through the platinum complex probe Pt-LZU which is designed and synthesized, the perchlorate ions in the aqueous phase can be recognized with single selectivity and high sensitivity, and furthermore, the platinum complex probe Pt-LZU which is designed and synthesized by using the method has a simple structure, a simple synthesis method and a good application prospect in detection of the perchlorate ions; and the platinum complex has a chemical structure as follows.

Description

Technical field [0001] The invention relates to the technical field of chemical analysis and detection, in particular to a platinum complex and its preparation method and application. Background technique [0002] Perchloric acid and its metal salts are important industrial raw materials. As an important inorganic oxidant, they are widely used in analytical reagents, leather processing, paint production, printing and dyeing, explosives, and rockets used for launching spacecraft, artificial satellites and missiles. Fuel and other fields (Environ. Sci. Technol. 1999, 33(19), 3469-3472). Since most perchlorates have good water solubility and are not easily adsorbed on other substances, once they enter the environment with water, they will easily penetrate into soil, groundwater and irrigation water, and will inevitably begin to spread among various environmental systems. , The formation of persistent and mobile pollution, deteriorating the ecological environment. The charge and io...

Claims

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Application Information

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IPC IPC(8): C07F15/00C09K11/06G01N21/64G01N21/78
CPCC07F15/0086C09K11/06C09K2211/185G01N21/64G01N21/78
Inventor 唐晓亮邱方舟李斌
Owner LANZHOU UNIVERSITY
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