Method for measuring chlorobenzene organic pollutants in leather by gas chromatography-mass spectrometry
A technology of organic pollutants and gas chromatography, applied in the field of leather detection, gas chromatography-mass spectrometry to determine chlorobenzene organic pollutants in leather, can solve problems such as teratogenicity, central nervous system impact, carcinogenicity, etc.
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[0054] Specific embodiments of the present invention such as Figure 1-23 Shown is the method for gas chromatography-mass spectrometry determination of chlorobenzene organic pollutants in leather, which may further comprise the steps:
[0055] Step 1. Preparation of the sample to be tested. Take an appropriate amount of leather samples, cut the samples into pieces, and the sample size range is less than 20mm×20mm, and mix the cut samples evenly;
[0056] Step 2. Sample extraction. Weigh 1.00 g of the sample, place it in a 40 mL reaction bottle, add 30 mL of dichloromethane, and perform ultrasonic extraction for 30 min at room temperature to obtain an ultrasonic extraction solution. Filter the ultrasonic extraction solution into a 100 mL flat-bottomed flask, concentrate with a rotary evaporator at a temperature of 40°C to obtain a 1-2 mL concentrated solution, transfer the concentrated solution to an evaporating tube, wash the flat-bottomed flask with a small amount of dichloro...
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