Method for measuring glycol ether substance in package paper for cigarette
A technology of glycol ether and determination method, which is applied in the direction of measuring devices, instruments, scientific instruments, etc., and can solve the problems of lack of qualitative and quantitative detection
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Embodiment 1
[0061] 1. Sample preparation
[0062] Take the cigarette wrapping paper sample and cut it into a certain area, and the cut area should include the main packaging surface. When the cigarette wrapping paper is hard box wrapping paper or strip wrapping paper, the cutting area is length×width=22cm×5.5cm; when the cigarette wrapping paper is soft box wrapping paper, the cutting area is length×width=15.5cm× 10cm. Roll the cut cigarette wrapping paper sample with the printing side inward into a tube and put it into a headspace bottle, add 100-2000 μL of triacetin, preferably 1000 μL, as a test sample, and seal it for testing.
[0063] 2. Preparation of standard samples
[0064] Take the base paper corresponding to the cigarette wrapping paper sample and cut it into a certain area. The cutting area of the base paper of the hard box wrapping paper or the strip wrapping paper is length × width = 22cm × 5.5cm; the cutting area of the base paper of the soft box wrapping paper is len...
Embodiment 2
[0074] As shown in step 2 of embodiment 1, prepare the base paper standard sample of hard box packaging paper, carry out headspace-gas chromatography / mass spectrometry (HS-GC / MS) detection according to step 3 of embodiment 1, glycol ethers in the standard sample Headspace-Gas Chromatography / Mass Spectrometry of a substance such as figure 1 shown. Take the quantitative ion peak area of glycol ethers as the ordinate (Y axis), and its corresponding content (in terms of the mass number of the target compound contained in the hard box wrapping paper per unit area, mg / m 2 ) is the abscissa (X axis), perform linear fitting to establish a standard working curve, and the standard working curve is not forced to pass through the origin. Retention time, standard working curve equation and coefficient (R 2 ), the linear concentration range is shown in Table 2. It can be seen from Table 2 that the coefficient R of the standard working curve 2 ≥0.995, good linearity.
[0075] Table 2...
Embodiment 3
[0078]Take a certain brand of hard box wrapping paper sample and cut it according to step 1 in Example 1 to obtain two parallel samples. Roll the printed side of the cut hard box wrapping paper sample into a tube and put it into a headspace bottle. Add the same volume of glycerol triacetate and seal it for testing. The sample prepared above is carried out headspace-gas chromatography / mass spectrometry according to step 3 in embodiment 1, gets the mean value of two parallel determinations as the analysis result of glycol ether substance in the hard box wrapping paper sample of this brand, retains Two digits after the decimal point, see the specific test results figure 2 . Depend on figure 2 As shown, the carton wrapper sample contained 2-ethoxyethanol and 2-butoxyethanol.
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