Method for determining content of chemical composition of lignocellulose plant by adopting thermogravimetric analysis meter
A technology of lignocellulose and thermogravimetric analysis, applied in the direction of measuring devices, analysis materials, instruments, etc., can solve the problems of increasing analysis costs and the burden of analysis and testing personnel, inability to analyze a small amount of samples, and untimely analysis results, etc., to achieve the test The effect of low cost, simple operation and low manpower requirement
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[0062] Example 1
[0063] Take wood raw materials as an example
[0064] Sixty parts of wood raw materials were selected, of which: 25 parts were from Linyi, Shandong, 15 parts were from Guiyang, Guizhou, and 20 parts were from Changsha, Hunan; samples were made separately, each weighing 50g.
[0065] All samples were dried at 105°C, crushed, passed through a 40-mesh sieve to obtain sample powder, each sample is about 30g, and then divided into two parts, one part (20mg) for thermogravimetric analysis, the other (30g) for wet chemical analysis ;
[0066] Such as figure 1 As shown, the calibration sample set and the thermogravimetric curve collection of the sample to be tested: Weigh about 20mg of the sample, put it into the thermogravimetric analyzer for thermogravimetric analysis, and collect the thermogravimetric curve. The heating program is set as follows: the sample starts at room temperature 20℃ , The temperature is raised at 5°C / min, the temperature is raised to 900°C to stop ...
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[0080] Example 2
[0081] Taking the kenaf plant as an example, 80 parts of kenaf raw materials are selected, among which 40 parts are produced in Hunan, 20 parts are produced in Shandong, and 20 parts are produced in Xinjiang; samples are made separately, and each sample weighs 50g.
[0082] All samples were dried at 105°C, crushed, passed through a 40-mesh sieve to obtain sample powder, each sample is about 30g, and then divided into two parts, one part (20mg) for thermogravimetric analysis, the other (30g) for wet chemical analysis ;
[0083] Such as figure 1 As shown, the calibration sample set and the thermogravimetric curve collection of the sample to be tested: Weigh about 20mg of the sample, put it into the thermogravimetric analyzer for thermogravimetric analysis, and collect the thermogravimetric curve. The heating program is set as follows: the sample starts at room temperature 20℃ , The temperature is raised at 5°C / min, the temperature is raised to 900°C to stop the temp...
Example Embodiment
[0088] Example 3
[0089] Taking corn plants as an example, 120 parts of corn stalk raw materials are selected, among which 40 parts are produced in Gaomi, Shandong, 40 parts are produced in Liaocheng, Shandong, and 40 parts are produced in Dezhou, Shandong; samples are made separately, and the weight of each sample is 50g.
[0090] All samples were dried at 105°C and crushed and passed through a 40-mesh sieve to obtain sample powder. Each sample is about 30g, and then divided into two parts, one part (20mg) for thermogravimetric analysis, and the other (30g) for wet chemical analysis ;
[0091] Such as figure 1 As shown, the calibration sample set and the thermogravimetric curve collection of the sample to be tested: Weigh about 20mg of the sample, put it into the thermogravimetric analyzer for thermogravimetric analysis, and collect the thermogravimetric curve. The heating program is set as follows: the sample starts at room temperature 20℃ , The temperature is raised at 5°C / min,...
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