A rapid detection method for forbidden Sudan red dye in lipstick
A detection method, the technology of Sudan Red, is applied in the direction of measuring devices, analyzing materials, and analyzing materials through electromagnetic means, which can solve the health and safety hazards of consumers and other problems, and achieve convenient portability and transportation, convenient production, and good extraction effect Effect
Active Publication Date: 2019-08-20
CHINESE ACAD OF INSPECTION & QUARANTINE
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Problems solved by technology
Sudan red dye is a prohibited component of cosmetics including lipsticks. However, due to its bright color and low cost, some illegal manufacturers may add it to lipstick products in violation of regulations, which may cause serious harm to the health and safety of consumers. Therefore, There is an urgent need to develop relevant detection methods
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[0024] 1. Detection method:
[0025] A kind of rapid detection method that disables Sudan red dye in lipstick, comprises the steps:
[0026] (1) Make a triangular carrier: the triangular carrier is an isosceles triangular paper cut from Whatman Grade 31ET Chr type chromatography paper, and evenly smear the lipstick sample to be tested on the triangular carrier;
[0027] Whatman Grade 31ET Chr chromatography paper: the substrate of the chromatography paper is cellulose, the thickness is 0.50mm, the flow rate is 7.5mm / min, and the basis weight is 192g / m 2 .
[0028] (2) Make the detection device: the detection device includes a metal alligator clip, a metal frame, a high-voltage power supply and an ion trap mass spectrometer, the metal alligator clip is fixed on the metal frame, and the middle part of the bottom edge of the triangular carrier is fixed on the metal alligator clip The rear end is connected with the high-voltage power supply, and the triangular carrier is placed ...
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Abstract
The invention discloses a rapid detection method for banned Sudan red dye in lipstick, which comprises the following steps: (1) making a triangular carrier and evenly applying a lipstick sample to be detected on the surface; (2) making a detection device: the The triangular carrier is placed on the front end of the inlet of the ion trap mass spectrometer; (3) detection: a mixed solution of dichloromethane, ethanol and formic acid is added dropwise on the triangular carrier, and a high-voltage power supply is used to apply 4.0 kW to the metal alligator clip. Volt voltage, the mixed solution extracts the Sudan red dye to be tested in the lipstick sample, and then migrates on the triangular carrier toward its tip, and finally forms a spray at the tip, and uses positive ion mode for detection. The rapid detection method for prohibited Sudan red dyes in lipsticks of the present invention can realize accurate and rapid detection of lipstick samples, and the device used is simple in structure, low in cost and easy to operate.
Description
technical field [0001] The invention relates to the field of cosmetic quality and safety detection, in particular to a rapid detection method for prohibited Sudan red dyes in lipsticks. Background technique [0002] Cosmetics are closely related to human life. With the rapid development of my country's national economy and the continuous improvement of people's living standards, cosmetics have increasingly become an indispensable necessity for daily life. According to the National Bureau of Statistics, in 2014, the total domestic sales of cosmetic products reached 182.47 billion yuan, with an average growth rate of 13.4% in the past three years. Facing the rapid development of the cosmetics industry and the increasing demand for cosmetics, the product quality and safety of cosmetics have attracted more and more attention and attention from consumers. Sudan red dye is a prohibited component of cosmetics including lipsticks. However, due to its bright color and low cost, some...
Claims
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IPC IPC(8): G01N27/62
CPCG01N27/62
Inventor 马强
Owner CHINESE ACAD OF INSPECTION & QUARANTINE