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Fluorescence detection method for content of bisphenol S

A fluorescence detection and content technology, applied in the field of chemical analysis and detection, can solve problems such as complex operation of bisphenol S

Pending Publication Date: 2021-10-22
CHANGZHOU INST OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0006] In order to solve the technical problem of complex operation of bisphenol S detection by chromatography in the prior art, a fluorescence detection method for bisphenol S content is provided

Method used

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  • Fluorescence detection method for content of bisphenol S
  • Fluorescence detection method for content of bisphenol S
  • Fluorescence detection method for content of bisphenol S

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Embodiment 1

[0039] A fluorescence detection method for the content of bisphenol S, the present embodiment is a fluorescence quenching system detection of bisphenol S, comprising the following steps:

[0040] (1) Prepare a series of bisphenol S solutions with different standard concentrations: weigh 0.0425g of bisphenol S, add 5mL of absolute ethanol to dissolve, then transfer to a 100mL volumetric flask, add deionized water to the mark, shake well, Prepare a stock solution of 425 μg / mL, and then prepare a series of bisphenol S solutions with different standard concentrations: 0 μg / mL, 0.3 μg / mL, 0.4 μg / mL, 0.6 μg / mL, 0.8 μg / mL, 1 μg / mL.

[0041] (2) Drawing of bisphenol S standard curve:

[0042] The fluorescence characteristics of each substance in the fluorescence quenching system are as follows: figure 1 As shown, where curve 1 represents acid fuchsin+CTMAB, curve 2 represents bisphenol S+acid fuchsin+CTMAB, curve 3 represents acid fuchsin, curve 4 represents acid fuchsin+bisphenol S,...

Embodiment 2

[0049] A fluorescence detection method for the content of bisphenol S, the present embodiment is a fluorescent sensitization system for detection of bisphenol S, comprising the following steps:

[0050] (1) Prepare a series of bisphenol S solutions with different standard concentrations: weigh 0.0100g bisphenol S, add 5mL ethanol to dissolve, transfer to a 50mL volumetric flask, add deionized water to the mark, shake well, and make 200μg / mL stock solution, and then prepare bisphenol S solutions with different standard concentrations.

[0051] (2) Drawing of bisphenol S standard curve:

[0052] The fluorescence characteristics of each substance in the fluorescence sensitization system are as follows: Figure 4 As shown, where curve 1 represents bisphenol S, curve 2 represents CTMAB, curve 3 represents borax, curve 4 represents acid fuchsin + borax, curve 5 represents acid fuchsin, curve 6 represents acid fuchsin + borax + bisphenol S, Curve 7 represents acid fuchsin+CTMAB, c...

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Abstract

The invention relates to a fluorescence detection method for bisphenol S content. The fluorescence detection method comprises the following steps: (1) preparing a series of bisphenol S solutions with different standard concentrations; (2) mixing the fluorescence sensitization system or the fluorescence quenching system with a series of bisphenol S solutions with different standard concentrations to form a reaction solution, reacting at room temperature, measuring the fluorescence intensity of the reaction solution by adopting a fluorescence method, and drawing by taking the concentration of the bisphenol S solution as a horizontal coordinate and the difference value of the fluorescence intensity as a vertical coordinate to obtain a bisphenol S standard curve, wherein the fluorescence sensitization system comprises an acid fuchsin solution, a hexadecyl trimethyl ammonium bromide solution and a borax solution, and a fluorescence quenching system comprises an acid fuchsin solution and a hexadecyl trimethyl ammonium bromide solution; and (3) mixing a to-be-detected sample with the fluorescence sensitization system or the fluorescence quenching system, reacting at room temperature, measuring the fluorescence intensity, and calculating the content of bisphenol S in the to-be-detected sample according to the bisphenol S standard curve. The detection system has the characteristics of normal temperature, simplicity, convenience, sensitivity and low detection limit.

Description

technical field [0001] The invention relates to the technical field of chemical analysis and detection, in particular to a fluorescence detection method for bisphenol S content. Background technique [0002] The chemical name of bisphenol S (Bisphenol S, referred to as BPS) is 4,4'-dihydroxydiphenyl sulfone, and the molecular formula is C 12 h 10 o 4 S, white powder. Bisphenol S is an important chemical raw material, which is widely used in the production of various chemical products. Bisphenol S is mainly used as a color fixing agent, which has excellent physical and chemical properties such as heat resistance, light resistance and oxidation resistance. It can be used as a substitute of bisphenol A and used as a raw material for the production of epoxy resin, phenolic resin, polysulfone and polyethersulfone. At the same time, bisphenol S, as an important additive, can be added to plastics such as polyethylene, polypropylene, and high-impact polystyrene to improve their...

Claims

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Application Information

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IPC IPC(8): G01N21/64
CPCG01N21/6428G01N21/643G01N2021/6432
Inventor 姚成龙刘宝亮张震威翟翔熊陈正玲
Owner CHANGZHOU INST OF TECH
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