Method for determining ethylene glycol monomethyl ether, glycol ether, ethylene glycol ether acetate, glycol and diglycol in food wrap paper

A technology of ethylene glycol ethyl ether acetate and food packaging paper, which is applied in the direction of measuring devices, instruments, scientific instruments, etc., can solve the problems of unknown detection, etc., and achieve easy promotion, satisfactory recovery rate and repeatability, and easy operation Effect
CN102998387BActive Publication Date: 2014-04-09CHINA TOBACCO JIANGSU INDAL
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
CHINA TOBACCO JIANGSU INDAL
Publication Date
2014-04-09

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Abstract

The invention discloses a method for determining ethylene glycol monomethyl ether, glycol ether, ethylene glycol ether acetate, glycol and diglycol in food wrap paper. The method disclosed by the invention comprises the following steps of: weighing and placing shredded food wrap paper into a container, adding a methanol extraction solution containing internal standard substances into the container, carrying out ultrasonic extraction, filtering extract liquor by virtue of a filter membrane, detecting filtrate by adopting a gas chromatography / mass spectrometer, monitoring in a selected ion mode and quantifying, and obtaining the contents of ethylene glycol monomethyl ether, glycol ether, ethylene glycol ether acetate, glycol and diglycol in the food wrap paper. The method disclosed by the invention has the advantages of simple pre-treatment, easiness in operation, good separating effect, accurate determination, short sample analysis time and high determination sensitivity and can realize accurate batch determination on five components in the food wrap paper at the same time.
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Description

technical field

[0001] The invention relates to the technical field of food packaging, in particular to a method for detecting ethylene glycol monomethyl ether, ethylene glycol monoethyl ether, ethylene glycol ether acetate, ethylene glycol and diethylene glycol in food packaging paper. Background technique

[0002] Ethylene glycol monomethyl ether belongs to the low-toxicity class, and can cause anemia, macrocytosis, new granule leukocytes, and central nervous system disorders. Ethylene glycol monoethyl ether is not only irritating to the eyes and respiratory tract, but also can cause damage to the liver, kidney and lung, changes in the blood system, reproductive toxicity and teratogenicity. Ethylene glycol ether acetate is very toxic and may cause reproductive disorders.

[0003] On July 1, 1998, the National Environmental Protection Agency, the Economic and Trade Commission, the Ministry of Foreign Trade and Economic Cooperation, and the Ministry of Public Security issue...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
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