CN113390817A - Pretreatment method for near-infrared detection sample of finished tobacco lamina - Google Patents
Pretreatment method for near-infrared detection sample of finished tobacco lamina Download PDFInfo
- Publication number
- CN113390817A CN113390817A CN202110667167.3A CN202110667167A CN113390817A CN 113390817 A CN113390817 A CN 113390817A CN 202110667167 A CN202110667167 A CN 202110667167A CN 113390817 A CN113390817 A CN 113390817A
- Authority
- CN
- China
- Prior art keywords
- sample
- crushing
- tobacco
- finished
- finished product
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 241000208125 Nicotiana Species 0.000 title claims abstract description 60
- 235000002637 Nicotiana tabacum Nutrition 0.000 title claims abstract description 60
- 238000001514 detection method Methods 0.000 title claims abstract description 25
- 238000002203 pretreatment Methods 0.000 title claims abstract description 16
- 238000001035 drying Methods 0.000 claims abstract description 15
- 239000000126 substance Substances 0.000 claims abstract description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 4
- 238000000034 method Methods 0.000 claims description 7
- 238000005070 sampling Methods 0.000 claims description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 238000004904 shortening Methods 0.000 description 2
- SNICXCGAKADSCV-JTQLQIEISA-N (-)-Nicotine Chemical compound CN1CCC[C@H]1C1=CC=CN=C1 SNICXCGAKADSCV-JTQLQIEISA-N 0.000 description 1
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 1
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000460 chlorine Substances 0.000 description 1
- 229910052801 chlorine Inorganic materials 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000002329 infrared spectrum Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229960002715 nicotine Drugs 0.000 description 1
- SNICXCGAKADSCV-UHFFFAOYSA-N nicotine Natural products CN1CCCC1C1=CC=CN=C1 SNICXCGAKADSCV-UHFFFAOYSA-N 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000011591 potassium Substances 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
- G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
- G01N21/31—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry
- G01N21/35—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light
- G01N21/3563—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light for analysing solids; Preparation of samples therefor
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
- G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
- G01N21/31—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry
- G01N21/35—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light
- G01N21/359—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light using near infrared light
Landscapes
- Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Manufacture Of Tobacco Products (AREA)
Abstract
The invention belongs to the technical field of tobacco detection, and particularly relates to a pretreatment method of a near-infrared detection sample of a finished tobacco lamina, which comprises the following steps: selecting a sample; primary crushing: crushing the finished tobacco sheet sample until the granularity is less than 3 mm; drying: drying the finished product tobacco flake sample after primary crushing until the water content is 9.0-10.5%; and (3) secondary crushing: continuously crushing the dried finished product tobacco sheet sample until the granularity is less than or equal to 0.425 mm; sample balancing: and (3) balancing the finished product tobacco sheet sample subjected to secondary crushing at the constant temperature and humidity for 30 minutes at the temperature of 18-26 ℃ and under the environment of 40-60% RH. The pretreatment method has the advantages of short time consumption and high efficiency, and the chemical properties of the prepared sample meet the relevant detection requirements.
Description
Technical Field
The invention belongs to the technical field of tobacco detection, and particularly relates to a pretreatment method of a near-infrared detection sample of a finished tobacco sheet.
Background
At present, the pretreatment method of the near-infrared detection sample of finished tobacco lamina in the tobacco industry has no unified standard, but has the problems of long time consumption, large consumption of manpower and material resources, low efficiency and the like.
Disclosure of Invention
In order to solve the technical problems, the invention provides a near-infrared detection sample pretreatment method for finished tobacco lamina, which is short in time consumption, high in efficiency and capable of meeting detection requirements.
The technical scheme adopted by the invention for solving the technical problems is as follows:
a pretreatment method for a finished product tobacco lamina near-infrared detection sample comprises the following steps:
selecting a sample: selecting finished tobacco sheet samples meeting the detection standard;
primary crushing: crushing the finished tobacco sheet sample until the granularity is less than 3 mm;
drying: drying the finished tobacco sheet sample after primary crushing until the water content is 9.0-10.5%, and ensuring that the chemical property of the finished tobacco sheet sample is not damaged;
and (3) secondary crushing: continuously crushing the dried finished product tobacco sheet sample until the granularity is less than or equal to 0.425 mm;
sample balancing: and (3) balancing the finished product tobacco sheet sample subjected to secondary crushing at the constant temperature and humidity for 30 minutes at the temperature of 18-26 ℃ and in the environment of 40-60% RH.
Specifically, the specific process of selecting the samples in the step is as follows: and opening the finished tobacco flake box, and performing three-point sampling along the four halves of the diagonal line of the box.
Specifically, in the step of primary crushing, when crushing, finished product tobacco sheet samples are put into a grinding mill at a constant speed and in an equivalent amount for grinding and crushing.
Specifically, the drying step comprises the following specific processes: and drying the finished tobacco sheet sample subjected to primary crushing at the temperature of 40 ℃ for 30 minutes.
Specifically, in the secondary crushing step, during crushing, the finished product tobacco sheet sample is uniformly and equivalently put into a grinding mill for grinding and crushing, so that the grinding time of the finished product tobacco sheet sample is ensured to be 1.5 minutes.
The invention has the beneficial effects that: by adopting the pretreatment method, the finished tobacco flake sample is firstly crushed to the granularity less than 3mm and then dried, so that the chemical property of the finished tobacco flake sample is not influenced, and the drying time is greatly saved; thereby integrally shortening the pretreatment time; in addition, the sample is balanced by adopting the environmental conditions, the chemical properties of the sample cannot be influenced, and the subsequent near-infrared detection requirements are met.
Drawings
FIG. 1 is a flow chart of an embodiment of the present invention.
Detailed Description
It is understood that within the scope of the present invention, the above-described technical features of the present invention and the technical features specifically described below (e.g., examples) may be combined with each other to constitute a new or preferred technical solution. Not to be reiterated herein, but to the extent of space. All the technologies realized based on the above contents of the present invention belong to the scope of the present invention.
A pretreatment method for a finished product tobacco lamina near-infrared detection sample is shown in figure 1 and comprises the following steps:
and S1 sample selection: selecting finished tobacco sheet samples meeting the detection standard; the specific process is as follows: and opening the finished tobacco flake box, and performing three-point sampling along the four halves of the diagonal line of the box.
S2, smashing for one time: crushing the finished tobacco sheet sample until the granularity is less than 3 mm; in the embodiment, a YMS-96 type grinder is adopted for grinding and crushing, and in other embodiments, grinders of other types can be adopted for grinding and crushing, so that the grinding requirement can be met, and equipment with less time consumption and good crushing effect is selected as much as possible, so that the time is saved.
S3, drying: drying the finished tobacco sheet sample after primary crushing until the water content is 9.0-10.5%, and ensuring that the chemical property of the finished tobacco sheet sample is not damaged; in this embodiment, in order to improve the drying efficiency without affecting the chemical properties of the sample, the temperature was set to 40 ℃ for 30 minutes.
S4 secondary crushing: continuously crushing the dried finished product tobacco sheet sample until the granularity is less than or equal to 0.425 mm; in the embodiment, JXFM110 hammer type cyclone mill is adopted for grinding and crushing, so that the grinding time of the finished product sheet tobacco sample is ensured to be 1.5 minutes; under the condition, the granularity of the crushed sample is less than or equal to 0.425mm, no particles exist, and the chemical property of the sample cannot be influenced; in other embodiments, of course, other types of grinding machines such as the fos CT193 cyclone sample mill may be used to grind and crush, and only the grinding requirement needs to be met, and certainly, the time-consuming equipment is selected as much as possible to save time.
And (3) balancing the S5 sample: and (3) balancing the finished product tobacco sheet sample subjected to secondary crushing at the constant temperature and humidity for 30 minutes at the temperature of 18-26 ℃ and in the environment of 40-60% RH.
According to the pretreatment method for the near-infrared detection sample of the finished tobacco sheet, the finished tobacco sheet sample is firstly crushed to the granularity smaller than 3mm and then dried, so that the chemical property of the finished tobacco sheet sample is not influenced, and the drying time is greatly saved; thereby integrally shortening the pretreatment time, simultaneously reducing the working hours of corresponding workers and saving the production cost.
And (3) performing near-infrared detection on the finished tobacco flakes, wherein the detected chemical indexes comprise nicotine, total sugar, reducing sugar, total nitrogen, total potassium and total chlorine.
Randomly extracting 3 boxes of finished tobacco strips in the same batch, processing the tobacco strips by the pretreatment method, and detecting the tobacco strips by a Fourier transform near infrared spectrum analyzer, wherein the detection results are as shown in the following table 1:
TABLE 1
The actual values of the chemical indexes of the selected batches of finished tobacco flakes are shown in table 2 below:
TABLE 2
Comparing the three groups of data in table 1 with the average value data in table 2, it is obvious that the difference between the three groups of data in table 1 and the average value of the standard values in table 2 is within the error range, that is, the chemical property of the sample treated by the pretreatment method meets the detection requirement.
The above description is only a preferred embodiment of the present invention, and it should be understood that the present invention is not limited to the above description, which should be interpreted as a limitation, since modifications can be made to the embodiment and its application range by those skilled in the art in light of the above description.
Claims (5)
1. A pretreatment method for a finished product tobacco lamina near-infrared detection sample is characterized by comprising the following steps:
selecting a sample: selecting finished tobacco sheet samples meeting the detection standard;
primary crushing: crushing the finished tobacco sheet sample until the granularity is less than 3 mm;
drying: drying the finished tobacco sheet sample after primary crushing until the water content is 9.0-10.5%, and ensuring that the chemical property of the finished tobacco sheet sample is not damaged;
and (3) secondary crushing: continuously crushing the dried finished product tobacco sheet sample until the granularity is less than or equal to 0.425 mm;
sample balancing: and (3) balancing the finished product tobacco sheet sample subjected to secondary crushing at the constant temperature and humidity for 30 minutes at the temperature of 18-26 ℃ and in the environment of 40-60% RH.
2. The pretreatment method for the finished product sheet tobacco near-infrared detection sample according to claim 1, characterized in that the specific process of sample selection in the step is as follows: and opening the finished tobacco flake box, and performing three-point sampling along the four halves of the diagonal line of the box.
3. The method for pre-treating the near-infrared detection sample of the finished product tobacco lamina as claimed in claim 1, wherein in the step of crushing, the finished product tobacco lamina sample is put into a grinding mill at a constant speed and in an equal amount for grinding and crushing.
4. The pretreatment method for the finished product sheet tobacco near-infrared detection sample according to claim 1, characterized in that the drying step comprises the following specific processes: and drying the finished tobacco sheet sample subjected to primary crushing at the temperature of 40 ℃ for 30 minutes.
5. The method for pre-treating the near-infrared detection sample of the finished tobacco lamina as claimed in claim 1, wherein in the secondary crushing step, the finished tobacco lamina sample is uniformly and equivalently ground and crushed in a grinding mill during crushing, so as to ensure that the grinding time of the finished tobacco lamina sample is 1.5 minutes.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110398215 | 2021-04-14 | ||
| CN2021103982153 | 2021-04-14 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113390817A true CN113390817A (en) | 2021-09-14 |
Family
ID=77621409
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110667167.3A Pending CN113390817A (en) | 2021-04-14 | 2021-06-16 | Pretreatment method for near-infrared detection sample of finished tobacco lamina |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113390817A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103197032A (en) * | 2013-03-13 | 2013-07-10 | 安徽中烟工业有限责任公司 | Evaluation method for mixing uniformity of threshing and redrying finished sheet tobacco |
| CN105380296A (en) * | 2015-10-27 | 2016-03-09 | 李刚 | Process method for preparing high-quality cigarette filter stick through steam explosion tobacco stems |
| KR101859898B1 (en) * | 2018-02-02 | 2018-05-18 | 최일호 | Fine dust reduction device |
| CN110822829A (en) * | 2019-11-15 | 2020-02-21 | 衡东县金源铝银粉有限公司 | Fireworks aluminite powder drying device |
| CN110897190A (en) * | 2019-11-28 | 2020-03-24 | 中国船舶工业总公司七一五研究所宜昌分部 | Production process of tobacco sheets by rolling method |
| CN111610174A (en) * | 2020-06-04 | 2020-09-01 | 云南省计量测试技术研究院 | Preparation method of heavy metal-containing tobacco matrix standard substance |
-
2021
- 2021-06-16 CN CN202110667167.3A patent/CN113390817A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103197032A (en) * | 2013-03-13 | 2013-07-10 | 安徽中烟工业有限责任公司 | Evaluation method for mixing uniformity of threshing and redrying finished sheet tobacco |
| CN105380296A (en) * | 2015-10-27 | 2016-03-09 | 李刚 | Process method for preparing high-quality cigarette filter stick through steam explosion tobacco stems |
| KR101859898B1 (en) * | 2018-02-02 | 2018-05-18 | 최일호 | Fine dust reduction device |
| CN110822829A (en) * | 2019-11-15 | 2020-02-21 | 衡东县金源铝银粉有限公司 | Fireworks aluminite powder drying device |
| CN110897190A (en) * | 2019-11-28 | 2020-03-24 | 中国船舶工业总公司七一五研究所宜昌分部 | Production process of tobacco sheets by rolling method |
| CN111610174A (en) * | 2020-06-04 | 2020-09-01 | 云南省计量测试技术研究院 | Preparation method of heavy metal-containing tobacco matrix standard substance |
Non-Patent Citations (1)
| Title |
|---|
| 段焰青 等: ""烟样水分质量分数对其常规化学成分近红外测定的影响"", 《云南大学学报(自然科学版)》, vol. 27, no. 5, pages 424 - 428 * |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107894408B (en) | Edible oil multi-element adulteration identification method based on near-infrared spectrometer | |
| Liu et al. | Assessing the specific energy consumption and physical properties of comminuted Douglas-fir chips for bioconversion | |
| CN103852441A (en) | Method for quantitative detection of tobacco lignin by adopting mid-infrared spectroscopy | |
| CN113390817A (en) | Pretreatment method for near-infrared detection sample of finished tobacco lamina | |
| CN106018321A (en) | Establishment method for single corn seed protein detection model and application of establishment method | |
| CN111157462A (en) | Method for evaluating quality stability degree between finished tobacco sheet boxes | |
| CN103344598B (en) | The decision method of a kind of stem and cigarette leaf group compatibility | |
| Chen et al. | Qualitative identification of tea by near infrared spectroscopy based on soft independent modelling of class analogy pattern recognition | |
| CN102128875A (en) | Direct chemical ionization mass spectrometry detection method for illegal cooking oil | |
| Bitra et al. | Knife mill operating factors effect on switchgrass particle size distributions | |
| CN102103074A (en) | Method for identifying source of chondroitin sulfate | |
| CN111838742A (en) | Formula threshing method based on classified use of tobacco flakes of different specifications | |
| CN106442390A (en) | Transgenic soybean classification and identification method based on PCA-SVM algorithm | |
| CN111337448B (en) | Method for identifying cosmetics based on infrared spectrum technology | |
| CN110628043A (en) | Water-based extraction method of dandelion rubber | |
| CN106827303A (en) | A kind of rubber powder grinding aid production method | |
| CN113310943A (en) | Lotus root starch adulteration identification method based on machine learning | |
| CN103222535B (en) | The preparation method of the de-aflatoxin rice protein that a kind of functional character is improved | |
| CN105352909A (en) | Method for rapid determination of pulping material extraction matter content on basis of near infrared spectroscopy technology | |
| CN102253192B (en) | Quality detection method for tobacco leaves and application thereof | |
| CN105866060A (en) | Method for quickly measuring content of thickener in milk beverage through near-infrared spectrometry | |
| Moore et al. | Analysis of plant cell walls using high-throughput profiling techniques with multivariate methods | |
| CN113092304B (en) | Method for detecting content of coal in gear oil of coal mine in-use equipment | |
| CN109443873A (en) | A method of extracting raw long-life noodles brown stain product | |
| Sajdak et al. | Selection of mineralised methods to analyse different types of matrices. Applying the Box-Cox transformation to chemometrics study the coexistence of heavy metals in natural samples |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |