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A kind of detection method of iron ion in drinking water

A detection method and technology for drinking water, applied in chemical instruments and methods, measuring devices, fluorescence/phosphorescence, etc., can solve the problems of high cost and high cost, and achieve the effects of low cost, real-time detection, and fast measurement method.

Active Publication Date: 2021-07-13
GUIZHOU UNIV
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Problems solved by technology

These methods have high accuracy and sensitivity, but require expensive instruments and professional detection technicians, and the cost is high

Method used

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  • A kind of detection method of iron ion in drinking water
  • A kind of detection method of iron ion in drinking water
  • A kind of detection method of iron ion in drinking water

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Embodiment 1

[0024] A fluorescent probe T for detecting iron ions in drinking water: It is made of eight-membered melon ring Q[8] and palmatine at a molar ratio of 1:2. The molecular formula of the prepared probe T is C 48 h 48 N 32 o 16 @C 21 h 22 ClNO 4 . Structural formula see image 3 .

[0025] The method for detecting iron ions in drinking water with the above-mentioned probe T comprises the following steps:

[0026] (1) Preparation of supramolecular fluorescent probe T standard solution: Prepare fluorescent probe solution: accurately weigh 1 part each of 15.08 mg of common eight-membered melon ring Q[8] and 19.39 mg of patinol (PAL), and use pH Dissolve the secondary aqueous solution of =7 and set the volume to 100mL, then pipette 20mL of common eight-membered melon ring Q[8] solution and 4mL of patinol (PAL) solution to a 100mL volumetric flask with secondary water of pH=7 Constant volume can obtain the standard solution of fluorescent probe T;

[0027] (2) Reagent grade...

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Abstract

The invention discloses a method for detecting iron ions in drinking water. A reagent containing a fluorescent probe T is used as a fluorescent reagent, and drinking water to be tested is added to the fluorescent reagent, then the fluorescent reagent is excited by a laser with a fixed wavelength, and the fluorescence is observed. The change value ΔF of the intensity of the fluorescence emission spectrum before and after the reagent is added to the drinking water to be tested can detect the iron in the drinking water. The probe of the invention can detect iron ions in drinking water. When the probe of the invention is used for detection, it has the characteristics of high sensitivity, simple sample processing, convenient operation, rapid determination and real-time detection, and low cost.

Description

technical field [0001] The invention relates to a method for detecting metal ions in drinking water, in particular to a method for detecting iron ions in drinking water. Background technique [0002] Among transition metals, pure iron is white or silvery white with metallic luster. Iron is widely distributed in daily life. It is used to make iron cores of generators and motors. Iron and its compounds are also used to make magnets, medicines, inks, pigments, abrasives, etc. It is one of the "black metals" in industry. . Iron is an essential trace element in the human body. The total amount of iron in the human body is about 4 to 5 grams, which is an important part of hemoglobin. ), iron itself is not toxic, but it may also cause iron poisoning when excessive intake or excessive iron preparations are taken by mistake. The increase of iron can cause excessive iron storage in the human body, which can lead to potential harmful effects of iron in the body. Excessive iron stora...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01N21/64C09K11/06C08G83/00
CPCC08G83/008C09K11/06C09K2211/1466G01N21/643G01N2021/6432
Inventor 邓鑫玉胥卫涛陶朱吕利宾易贤美
Owner GUIZHOU UNIV
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