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Fast detection method of illegal cooking oil

A detection method and technology for waste oil, applied in the direction of testing food, material inspection products, etc., can solve the problems of cumbersome operation steps, time-consuming, social and food safety hazards, etc., and achieve high detection accuracy, scientific process, and strong practicability. Effect

Active Publication Date: 2015-07-01
郑州炜盛电子科技有限公司
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AI Technical Summary

Problems solved by technology

Unscrupulous speculators use edible oil mixed with waste oil in food, which is difficult to distinguish from the appearance and sense, causing great harm to society and food safety
[0003] Recently, commonly used detection methods include high-performance liquid chromatography, thin-layer chromatography, conductivity measurement, gas chromatography-mass spectrometry, and inductively coupled plasma mass spectrometry. Oil detection brings a lot of inconvenience

Method used

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Embodiment Construction

[0014] The technical solutions of the present invention will be described in further detail below through specific implementation methods.

[0015] A kind of waste oil quick detection method, this method comprises the following steps:

[0016] Step 1. Determine the standard value of qualified edible oil:

[0017] Heat qualified edible oil until volatile gas is generated;

[0018] Detecting the volatile gas through M gas sensors that are only used to detect different types of gas concentrations, to obtain M standard values ​​of gas concentrations of different types of gases;

[0019] Step 2. Detect the edible oil to be tested:

[0020] Heat the edible oil to be tested until the volatile gas to be tested is generated;

[0021] Detecting the volatile gas to be detected by N gas sensors only used to detect different types of gas concentrations, and obtaining N gas concentration parameters of different types of gases;

[0022] Step 3. Choose to compare:

[0023] Among the gas ...

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Abstract

The invention provides a fast detection method of illegal cooking oil. The method comprises the steps of: testing a standard value of qualified edible oil; heating the qualified edible oil till volatilized gas is generated; detecting the volatilized gas by M gas sensors only used for detecting gas concentrations of different types to obtain M gas concentration standard values of gases of different types; detecting the edible oil to be detected: the same as the above method, detecting the edible oil to be detected to obtain N gas concentration parameters of gases of different types; selection and comparison: selecting N gas concentration standard values corresponding to the N gas concentration standard values of gases of different types from the M gas concentration standard values of gases of different types, and comparing the N gas concentration standard values with the N gas concentration parameters of gases of different types to obtain N groups of comparison results; and judging whether the edible oil to be detected is illegal cooking oil or not. The method provided by the invention has the advantages of scientific process, easy implementation, strong practicality and high detection accuracy.

Description

technical field [0001] The invention relates to a grease detection method, in particular to a rapid detection method of waste oil. Background technique [0002] Waste oil is also known as swill oil and swill oil. Its sources mainly include: the oil that is simply processed and extracted from waste oil from catering, or the oil that is reused directly or after adding new oil after frying oil has been used more than the specified number of times, or Oil produced from processing low-quality pork, animal viscera, and animal hides. The heavy metals and toxins in waste oil are seriously over the standard. Long-term intake will cause cell function failure, induce various diseases, and even cause cancer. Unscrupulous speculators use cooking oil mixed with waste oil in food, which is difficult to distinguish from the appearance and sense, causing great harm to society and food safety. [0003] Recently, commonly used detection methods include high-performance liquid chromatography,...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01N33/03
Inventor 钟克创祁明锋刘建钢张娴
Owner 郑州炜盛电子科技有限公司
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