CN113640272A - Spectral library establishing and detecting method based on portable Raman spectrometer and application - Google Patents
Spectral library establishing and detecting method based on portable Raman spectrometer and application Download PDFInfo
- Publication number
- CN113640272A CN113640272A CN202110789791.0A CN202110789791A CN113640272A CN 113640272 A CN113640272 A CN 113640272A CN 202110789791 A CN202110789791 A CN 202110789791A CN 113640272 A CN113640272 A CN 113640272A
- Authority
- CN
- China
- Prior art keywords
- raman
- sample
- spectrometer
- spectrum
- library
- 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
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
- G01N21/62—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light
- G01N21/63—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light optically excited
- G01N21/65—Raman scattering
Landscapes
- Health & Medical Sciences (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Physics & Mathematics (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)
- Investigating, Analyzing Materials By Fluorescence Or Luminescence (AREA)
Abstract
The invention belongs to the technical field of jewelry jade detection, and discloses a spectrum library establishing and detecting method based on a portable Raman spectrometer and application thereof, wherein the portable Raman spectrometer is used, and the characteristics of adjustable output laser power and integration time, flexible setting of wave number resolution ratio and the like and high sensitivity are utilized; scanning a test sample by using a large-light-spot detector, exciting Raman scattering light from substances in the sample, and performing wide spectrum acquisition on a spectrum by using a spectrometer; identifying the variety of the jewelry jade through comparison and calculation with an established Raman database; the spectrometer stores the result and transmits the data to the computer equipment through the data line for further management and report. The invention solves the problem that the prior detection technology can not meet the detection difficulty of jewelry jades in various sizes and processing states; the second-level detection rate is particularly suitable for batch detection, and meets the real-time requirement of short test period of the field detection technology.
Description
Technical Field
The invention belongs to the technical field of jewelry and jade detection, and particularly relates to a spectrum library establishing and detecting method based on a portable Raman spectrometer and application thereof.
Background
At present, laser Raman spectroscopy is a microscopic analysis technique for non-destructive determination of molecular components of substances, and the positions, number and intensity of the peaks can directly reflect the molecular structure information of the substance to be measured. The portable Raman spectrometer has the characteristics of small volume, high detection efficiency and the like, is mainly applied to the real-time detection fields of medicines, environment, food, water quality, security inspection and the like, and has no method for rapid nondestructive detection of jewelry jade.
The existing nondestructive testing technology for the pearl jade is mainly focused on infrared spectrum and ultraviolet visible absorption spectrum. The infrared spectrum mainly adopts a reflection method and a direct transmission method, the reflection method is difficult to identify the jewelry jade without a polished surface, the direct transmission method is difficult to implement for the detection of the opaque and bottom-embedded jewelry jade, and the obtained structural information is very limited; the sensitivity of the ultraviolet visible absorption spectrum is low, some weak signals cannot be measured, reference correction is needed, a reference piece is easy to dirty, errors are easy to cause, a measurement light spot is too large, and the small-particle jewelry jade cannot be tested. A jewelry jade detection means which is simple to operate, free from size limitation and high in detection speed is urgently needed.
Through the above analysis, the problems and defects of the prior art are as follows: the existing nondestructive testing technology for the pearl jade is mainly focused on infrared spectrum and ultraviolet visible absorption spectrum. The infrared spectrum mainly adopts a reflection method and a direct transmission method, the reflection method is difficult to identify the jewelry jade without a polished surface, the direct transmission method is difficult to implement for the detection of the opaque and bottom-embedded jewelry jade, and the obtained structural information is very limited; the sensitivity of the ultraviolet visible absorption spectrum is low, some weak signals cannot be measured, reference correction is needed, a reference piece is easy to dirty, errors are easy to cause, a measurement light spot is too large, and the small-particle jewelry jade cannot be tested.
Is limited by the characteristics of an infrared spectrometer and an ultraviolet-visible spectrophotometer, and is difficult to solve the detection problem of the jewelry jade sample which is opaque, has a bottom embedded and has a small volume. And the portable Raman spectrometer can effectively make up for the defects. The jewelry jade is detected rapidly in batches by a small-sized and suitcase-type Raman spectrometer without sample preparation, and the state of the sample such as size, shape, transparency and the like is not required. The requirements of jewelry professional laboratories, customs port inspection, customs bureau of customs enforcement and other related use units and technical personnel on rapidness, convenience, no damage, effectiveness and the like for the field detection of jewelry and jade can be well met.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides a spectral library establishing and detecting method based on a portable Raman spectrometer and application thereof.
The invention is realized in such a way, and provides a spectral library establishing and detecting method based on a portable Raman spectrometer, which comprises the following steps:
the method comprises the following steps that firstly, a portable Raman spectrometer is used, and the characteristics of adjustable output laser power and integration time, flexible setting of wave number resolution ratio and the like and high sensitivity of the portable Raman spectrometer are utilized;
scanning a test sample by using a large-light-spot detector, exciting Raman scattering light from substances in the sample, and performing wide spectrum acquisition on a spectrum by using a spectrometer;
thirdly, identifying the jewelry jade variety by comparing and calculating with the established Raman database;
and fourthly, storing the result by the spectrometer, and transmitting the data to computer equipment through a data line for further management and report.
Further, in the first step, the portable Raman spectrometer is of an Shimadzu RM-3000 type, the wavelength is 785 +/-0.5 nm, the maximum output laser power is 450mW, and the wave number resolution is 5-9 cm-1.
Further, in the second step, the large light spot probe scans the wide spectrum with the diameter of 0.2-2 mm and the wave number range of 200-3000 cm < -1 >.
Further, in the third step, the method for establishing the raman database includes:
preparing a jewelry jade standard sample, and cleaning the sample to prevent the pollution of other substances from misleading the result;
the portable Raman spectrometer calibrates the performance of the instrument by using a standard calibration cap, enters a database class creation interface after successful calibration, respectively inputs five class libraries of gems, jades, organic gems, rare gems and artificial gems, selects a corresponding class library according to the class of the gems and jades to which the standard sample belongs, and enters the class library;
entering an interface for acquiring a Raman spectrum, inputting the name of a standard sample, setting the laser level and the integration time, aligning a laser probe to the standard sample, and acquiring the Raman spectrum of the standard sample;
laser irradiates a sample through a spectrometer, after the test is finished, molecular structure information of the sample is displayed in a touch display screen of an operating handle in a Raman spectrogram mode, the highest peak intensity of a Raman spectrum is enabled to be larger than 3000, otherwise, the laser power and the integration time are increased, the laser power is preferentially adjusted, and if Raman spectrum signals are saturated, the laser power and the integration time are reduced;
and adding the Raman spectrums of the standard samples into the library classification, and sequentially completing the establishment of the Raman spectrum libraries of all the standard samples.
Further, in the third step, the specific process for detecting the jewelry jade variety is as follows:
sample preparation, cleaning the sample to prevent contamination of other substances from misleading the result;
the performance of the portable Raman spectrometer is calibrated by using a standard calibration cap, after the calibration is successful, the similarity of the matching degree HQI is input after the analysis main interface is entered, and the laser level and the integration time are set;
the sample is placed at the correct position of the probe and accurately positioned on the focus of the laser to generate the strongest Raman signal and emit the laser;
laser irradiates a sample through a spectrometer, after the test is finished, molecular structure information of the sample is displayed in a touch display screen of an operating handle in a Raman spectrogram mode, the highest peak intensity of a Raman spectrum is enabled to be larger than 3000, otherwise, the laser power and the integration time are increased, the laser power is preferentially adjusted, and if Raman spectrum signals are saturated, the laser power and the integration time are reduced;
and selecting a target library in library classification, analyzing and judging the Raman spectrogram of the sample by the instrument, and searching the selected classification library to obtain the spectrogram of the jewelry jade variety which is most matched with the sample, thereby realizing the analysis of the sample.
It is another object of the present invention to provide a program storage medium for receiving user input, the stored computer program causing an electronic device to execute the method for spectrum library establishment and detection based on a portable raman spectrometer, comprising the steps of:
the method comprises the following steps that firstly, a portable Raman spectrometer is used, and the characteristics of adjustable output laser power and integration time, flexible setting of wave number resolution ratio and the like and high sensitivity of the portable Raman spectrometer are utilized;
scanning a test sample by using a large-light-spot detector, exciting Raman scattering light from substances in the sample, and performing wide spectrum acquisition on a spectrum by using a spectrometer;
thirdly, identifying the jewelry jade variety by comparing and calculating with the established Raman database;
and fourthly, storing the result by the spectrometer, and transmitting the data to computer equipment through a data line for further management and report.
It is another object of the present invention to provide a computer program product stored on a computer readable medium, comprising a computer readable program for providing a user input interface to implement the portable raman spectrometer based spectral library establishment and detection method when executed on an electronic device.
By combining all the technical schemes, the invention has the advantages and positive effects that: the invention provides a jewelry jade rapid detection method based on a portable Raman spectrometer, which has no complicated sample preparation process and avoids the generation of errors in the sample preparation process; the design of the movable operating handle and the visual operating interface are realized, the operating method is simple, and the requirements on users are less; the method has no requirements on the size and the shape of the sample, and solves the problem that the existing detection technology can not meet the detection difficulty of the jewelry jade in various sizes and processing states; the second-level detection rate is particularly suitable for batch detection, and meets the real-time requirement of short test period of the field detection technology.
Drawings
Fig. 1 is a flow chart of a spectrum library establishment and detection method based on a portable raman spectrometer provided by an embodiment of the present invention.
Fig. 2 is a flowchart of a method for establishing a raman database according to an embodiment of the present invention.
FIG. 3 is a flow chart of a method for detecting a variety of jewelry jades according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the following embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Aiming at the problems in the prior art, the invention provides a spectral library establishing and detecting method based on a portable Raman spectrometer, and the invention is described in detail below with reference to the accompanying drawings.
The method for establishing and detecting a spectral library based on a portable raman spectrometer provided by the present invention can be implemented by other steps, and the method for establishing and detecting a spectral library based on a portable raman spectrometer provided by the present invention of fig. 1 is only one specific embodiment.
As shown in fig. 1, a spectrum library establishing and detecting method based on a portable raman spectrometer provided by an embodiment of the present invention includes:
s101: a portable Raman spectrometer is used, and the characteristics of adjustable output laser power and integration time, flexible setting of wave number resolution ratio and the like and high sensitivity are utilized;
s102: scanning a test sample by using a large-light-spot detector, exciting Raman scattering light from substances in the sample, and performing wide spectrum acquisition on a spectrum by using a spectrometer;
s103: identifying the variety of the jewelry jade through comparison and calculation with an established Raman database;
s104: the spectrometer stores the result and transmits the data to the computer equipment through the data line for further management and report.
In S101 provided by the embodiment of the invention, the portable Raman spectrometer is of an Shimadzu RM-3000 type, the wavelength is 785 +/-0.5 nm, the output laser power is 450mW at most, and the wave number resolution is 5-9 cm-1.
In the S102 provided by the embodiment of the invention, the scanning diameter of the large-light-spot detecting head is 0.2-2 mm, and the wide spectrum wave number range is 200-3000 cm < -1 >.
In S103 provided by the embodiment of the present invention, the method for establishing a raman database includes:
s201: preparing a jewelry jade standard sample, and cleaning the sample to prevent the pollution of other substances from misleading the result;
s202: the portable Raman spectrometer calibrates the performance of the instrument by using a standard calibration cap, enters a database class creation interface after successful calibration, respectively inputs five class libraries of gems, jades, organic gems, rare gems and artificial gems, selects a corresponding class library according to the class of the gems and jades to which the standard sample belongs, and enters the class library;
s203: entering an interface for acquiring a Raman spectrum, inputting the name of a standard sample, setting the laser level and the integration time, aligning a laser probe to the standard sample, and acquiring the Raman spectrum of the standard sample;
s204: laser irradiates a sample through a spectrometer, after the test is finished, molecular structure information of the sample is displayed in a touch display screen of an operating handle in a Raman spectrogram mode, the highest peak intensity of a Raman spectrum is enabled to be larger than 3000, otherwise, the laser power and the integration time are increased, the laser power is preferentially adjusted, and if Raman spectrum signals are saturated, the laser power and the integration time are reduced;
s205: and adding the Raman spectrums of the standard samples into the library classification, and sequentially completing the establishment of the Raman spectrum libraries of all the standard samples.
In S103 provided by the embodiment of the present invention, the specific process for detecting the jewelry jade variety is as follows:
s301: sample preparation, cleaning the sample to prevent contamination of other substances from misleading the result;
s302: the performance of the portable Raman spectrometer is calibrated by using a standard calibration cap, after the calibration is successful, the similarity of the matching degree HQI is input after the analysis main interface is entered, and the laser level and the integration time are set;
s303: the sample is placed at the correct position of the probe and accurately positioned on the focus of the laser to generate the strongest Raman signal and emit the laser;
s304: laser irradiates a sample through a spectrometer, after the test is finished, molecular structure information of the sample is displayed in a touch display screen of an operating handle in a Raman spectrogram mode, the highest peak intensity of a Raman spectrum is enabled to be larger than 3000, otherwise, the laser power and the integration time are increased, the laser power is preferentially adjusted, and if Raman spectrum signals are saturated, the laser power and the integration time are reduced;
s305: and selecting a target library in library classification, analyzing and judging the Raman spectrogram of the sample by the instrument, and searching the selected classification library to obtain the spectrogram of the jewelry jade variety which is most matched with the sample, thereby realizing the analysis of the sample.
The technical solution of the present invention will be described in detail with reference to the following specific examples.
1. The operation and system requirements of the portable raman analyzer of the present invention are:
the invention uses a portable Raman spectrometer of Shimadzu RM-3000 type, the wavelength is 785 +/-0.5 nm, the output laser power and the integration time of the portable Raman spectrometer are adjustable (maximum 450mW), the wave number resolution is 5-9 cm < -1 > and other characteristics of flexible setting and high sensitivity are utilized, a large light spot detector head is used for scanning a test sample (the diameter is 0.2-2 mm), substances in the sample can be excited to generate Raman scattering light, the spectrometer carries out wide spectrum collection on the spectrum (the wave number range is 200-3000 cm < -1 >), and then the jewelry jade variety is identified by comparing and calculating with an established Raman database. The spectrometer can store the results and transmit the data to a computer device via a data line for further management and reporting. All the comparison samples of the jewelry jades are mainly provided by a centralized gold mining laboratory of the Kbac-Cambodia customs technology.
2. The specific implementation steps for creating the jewelry jade database comprise:
step 1, preparing a jewelry jade standard sample (a standard sample for short), cleaning the sample, and preventing misleading results due to pollution of other substances;
step 2, starting the portable Raman spectrometer, calibrating the performance of the instrument by using a standard calibration cap, clicking a library icon after the calibration is successful, entering a database type creation interface, clicking addition, respectively inputting five type libraries of a gem, a jade, an organic gem, a rare gem and an artificial gem, selecting a corresponding type library according to the type of the jewelry and the jade of the standard sample, clicking entry, and entering the type library;
step 3, clicking 'adding', entering an interface for acquiring a Raman spectrum, inputting the name of the standard sample, setting the laser level and the integration time, aligning the laser probe to the standard sample, and then clicking an 'acquiring' key to acquire the Raman spectrum of the standard sample;
step 4, irradiating the sample with laser through a spectrometer, displaying the molecular structure information of the sample in a Raman spectrogram mode in a touch display screen of an operation handle after the test is finished, ensuring that the maximum peak intensity of a Raman spectrum is greater than 3000, or else, increasing the laser power and the integration time, preferentially adjusting the laser power, and if the Raman spectrum signal is saturated, reducing the laser power and the integration time;
and 5, clicking addition, and adding the Raman spectrum of the standard sample into the library classification. And establishing a Raman spectrum library of all the standard samples in sequence.
3. The specific implementation steps for detecting the jewelry jade variety of the invention are as follows:
step 1, preparing a sample, cleaning the sample, and preventing misleading results due to pollution of other substances;
step 2, starting the portable Raman spectrometer, calibrating the performance of the instrument by using a standard calibration cap, clicking an analysis icon after successful calibration, inputting the similarity of the matching HQI (generally, the HQI value is set to be 0.90) after entering an analysis main interface, and setting the laser level (1-10) and the integration time (0.1-30 seconds);
step 3, placing the sample at the correct position of the probe (if necessary, using a probe cap), accurately positioning the sample at the focus of the laser to generate the strongest Raman signal, and then pressing a scanning key to emit the laser;
step 4, irradiating the sample with laser through a spectrometer, displaying the molecular structure information of the sample in a Raman spectrogram mode in a touch display screen of an operation handle after the test is finished, ensuring that the maximum peak intensity of a Raman spectrum is greater than 3000, or else, increasing the laser power and the integration time, preferentially adjusting the laser power, and if the Raman spectrum signal is saturated, reducing the laser power and the integration time;
and 5, clicking classification, selecting a target library in the library classification, clicking search, analyzing and judging the Raman spectrogram of the sample by the instrument, and searching the selected classification library to obtain the spectrogram of the jewelry jade variety which is most matched with the sample, thereby realizing the analysis of the sample.
It should be noted that the embodiments of the present invention can be realized by hardware, software, or a combination of software and hardware. The hardware portion may be implemented using dedicated logic; the software portions may be stored in a memory and executed by a suitable instruction execution system, such as a microprocessor or specially designed hardware. Those skilled in the art will appreciate that the apparatus and methods described above may be implemented using computer executable instructions and/or embodied in processor control code, such code being provided on a carrier medium such as a disk, CD-or DVD-ROM, programmable memory such as read only memory (firmware), or a data carrier such as an optical or electronic signal carrier, for example. The apparatus and its modules of the present invention may be implemented by hardware circuits such as very large scale integrated circuits or gate arrays, semiconductors such as logic chips, transistors, or programmable hardware devices such as field programmable gate arrays, programmable logic devices, etc., or by software executed by various types of processors, or by a combination of hardware circuits and software, e.g., firmware.
The above description is only for the purpose of illustrating the present invention and the appended claims are not to be construed as limiting the scope of the invention, which is intended to cover all modifications, equivalents and improvements that are within the spirit and scope of the invention as defined by the appended claims.
Claims (7)
1. A spectral library establishing and detecting method based on a portable Raman spectrometer is characterized by comprising the following steps:
a portable Raman spectrometer is used, and the characteristics of adjustable output laser power and integration time, flexible setting of wave number resolution ratio and the like and high sensitivity are utilized;
scanning a test sample by using a large-light-spot detector, exciting Raman scattering light from substances in the sample, and performing wide spectrum acquisition on a spectrum by using a spectrometer;
identifying the variety of the jewelry jade through comparison and calculation with an established Raman database;
the spectrometer stores the result and transmits the data to the computer equipment through the data line.
2. The method for building and detecting the spectrum library based on the portable Raman spectrometer as claimed in claim 1, wherein the portable Raman spectrometer is of Shimadzu RM-3000 type, the wavelength is 785 +/-0.5 nm, the output laser power is 450mW at maximum, and the wave number resolution is 5-9 cm-1。
3. The spectrum library establishing and detecting method based on portable Raman spectrometer as claimed in claim 1The method is characterized in that the scanning diameter of the large-light-spot probe is 0.2-2 mm, and the wide spectrum wave number range is 200-3000 cm-1。
4. The spectrum library establishing and detecting method based on the portable Raman spectrometer of claim 1, wherein the Raman database establishing method comprises the following steps:
preparing a jewelry jade standard sample, and cleaning the sample to prevent the pollution of other substances from misleading the result;
the portable Raman spectrometer calibrates the performance of the instrument by using a standard calibration cap, enters a database class creation interface after successful calibration, respectively inputs five class libraries of gems, jades, organic gems, rare gems and artificial gems, selects a corresponding class library according to the class of the gems and jades to which the standard sample belongs, and enters the class library;
entering an interface for acquiring a Raman spectrum, inputting the name of a standard sample, setting the laser level and the integration time, aligning a laser probe to the standard sample, and acquiring the Raman spectrum of the standard sample;
laser irradiates a sample through a spectrometer, after the test is finished, molecular structure information of the sample is displayed in a touch display screen of an operating handle in a Raman spectrogram mode, the highest peak intensity of a Raman spectrum is enabled to be larger than 3000, otherwise, the laser power and the integration time are increased, the laser power is preferentially adjusted, and if Raman spectrum signals are saturated, the laser power and the integration time are reduced;
and adding the Raman spectrums of the standard samples into the library classification, and sequentially completing the establishment of the Raman spectrum libraries of all the standard samples.
5. The spectrum library establishing and detecting method based on the portable Raman spectrometer as claimed in claim 1, wherein the specific process for detecting the jewelry jade variety is as follows:
sample preparation, cleaning the sample to prevent contamination of other substances from misleading the result;
the performance of the portable Raman spectrometer is calibrated by using a standard calibration cap, after the calibration is successful, the similarity of the matching degree HQI is input after the analysis main interface is entered, and the laser level and the integration time are set;
the sample is placed at the correct position of the probe and accurately positioned on the focus of the laser to generate the strongest Raman signal and emit the laser;
laser irradiates a sample through a spectrometer, after the test is finished, molecular structure information of the sample is displayed in a touch display screen of an operating handle in a Raman spectrogram mode, the highest peak intensity of a Raman spectrum is enabled to be larger than 3000, otherwise, the laser power and the integration time are increased, the laser power is preferentially adjusted, and if Raman spectrum signals are saturated, the laser power and the integration time are reduced;
and selecting a target library in library classification, analyzing and judging the Raman spectrogram of the sample by the instrument, and searching the selected classification library to obtain the spectrogram of the jewelry jade variety which is most matched with the sample, thereby realizing the analysis of the sample.
6. A program storage medium for receiving user input, the stored computer program causing an electronic device to execute the method for spectrum library establishment and detection based on portable raman spectrometer of any one of claims 1 to 5, comprising the steps of:
the method comprises the following steps that firstly, a portable Raman spectrometer is used, and the characteristics of adjustable output laser power and integration time, flexible setting of wave number resolution ratio and the like and high sensitivity of the portable Raman spectrometer are utilized;
scanning a test sample by using a large-light-spot detector, exciting Raman scattering light from substances in the sample, and performing wide spectrum acquisition on a spectrum by using a spectrometer;
thirdly, identifying the jewelry jade variety by comparing and calculating with the established Raman database;
and fourthly, storing the result by the spectrometer, and transmitting the data to computer equipment through a data line for further management and report.
7. A computer program product stored on a computer readable medium, comprising a computer readable program for providing a user input interface to implement the portable raman spectrometer based spectral library creation and detection method of any one of claims 1 to 5 when executed on an electronic device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110789791.0A CN113640272A (en) | 2021-07-13 | 2021-07-13 | Spectral library establishing and detecting method based on portable Raman spectrometer and application |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110789791.0A CN113640272A (en) | 2021-07-13 | 2021-07-13 | Spectral library establishing and detecting method based on portable Raman spectrometer and application |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113640272A true CN113640272A (en) | 2021-11-12 |
Family
ID=78417221
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110789791.0A Pending CN113640272A (en) | 2021-07-13 | 2021-07-13 | Spectral library establishing and detecting method based on portable Raman spectrometer and application |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113640272A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115112598A (en) * | 2022-08-23 | 2022-09-27 | 国检中心深圳珠宝检验实验室有限公司 | Modeling method, model and detection method of automatic jade detection model |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20130162989A1 (en) * | 2010-06-25 | 2013-06-27 | Nuctech Company Limited | Method for Automatically Calibrating a Raman Spectrum Detection System and Raman Spectrum Detection System |
| CN104749158A (en) * | 2013-12-27 | 2015-07-01 | 同方威视技术股份有限公司 | Jade jewelry appraisal method and device thereof |
| CN107044973A (en) * | 2017-03-27 | 2017-08-15 | 胡章宏 | A kind of diamond quick determination method and device based on Raman spectrum |
| CN110793957A (en) * | 2019-11-27 | 2020-02-14 | 拱北海关技术中心 | Distributed customs field inspection Raman spectrum system based on cloud platform technology |
| US20200064270A1 (en) * | 2018-08-22 | 2020-02-27 | Paul Bartholomew | Raman Spectroscopy for Minerals Identification |
| CN113008865A (en) * | 2021-03-04 | 2021-06-22 | 北京华泰诺安探测技术有限公司 | Method, device, medium and equipment for identifying jewelry jade |
-
2021
- 2021-07-13 CN CN202110789791.0A patent/CN113640272A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20130162989A1 (en) * | 2010-06-25 | 2013-06-27 | Nuctech Company Limited | Method for Automatically Calibrating a Raman Spectrum Detection System and Raman Spectrum Detection System |
| CN104749158A (en) * | 2013-12-27 | 2015-07-01 | 同方威视技术股份有限公司 | Jade jewelry appraisal method and device thereof |
| CN107044973A (en) * | 2017-03-27 | 2017-08-15 | 胡章宏 | A kind of diamond quick determination method and device based on Raman spectrum |
| US20200064270A1 (en) * | 2018-08-22 | 2020-02-27 | Paul Bartholomew | Raman Spectroscopy for Minerals Identification |
| CN110793957A (en) * | 2019-11-27 | 2020-02-14 | 拱北海关技术中心 | Distributed customs field inspection Raman spectrum system based on cloud platform technology |
| CN113008865A (en) * | 2021-03-04 | 2021-06-22 | 北京华泰诺安探测技术有限公司 | Method, device, medium and equipment for identifying jewelry jade |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115112598A (en) * | 2022-08-23 | 2022-09-27 | 国检中心深圳珠宝检验实验室有限公司 | Modeling method, model and detection method of automatic jade detection model |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US9075015B2 (en) | Universal tool for automated gem and mineral identification and measurement | |
| Sikirzhytskaya et al. | Forensic identification of blood in the presence of contaminations using Raman microspectroscopy coupled with advanced statistics: effect of sand, dust, and soil | |
| US7570357B2 (en) | Visible/near-infrared spectrometry and its device | |
| US9746404B2 (en) | Inspection methods and apparatuses for liquids | |
| WO2019153460A1 (en) | Atr mode-based material composition identification method, device, and computer apparatus | |
| JP6295474B2 (en) | Tagging standards of interest in spectroscopic search applications | |
| CN112461806B (en) | Fluorescence spectrum detection method based on smart phone | |
| CN104007084A (en) | Near-infrared diffuse-reflection rapid nondestructive testing apparatus for organophosphorus pesticide residues | |
| CN110320197A (en) | Microminiature Raman blood specialized analyzer based on Raman spectrum analysis | |
| CN105954257A (en) | Intelligent human body calculus component analyzer and application method thereof | |
| CN113640272A (en) | Spectral library establishing and detecting method based on portable Raman spectrometer and application | |
| RU2739143C1 (en) | Method for identification of diamonds and device for its implementation | |
| CN116399850B (en) | Spectrum detection and identification system for optical signal processing and detection method thereof | |
| CN101021473A (en) | Detector for detecting clothing material composition and content | |
| EP1480751A4 (en) | Method and sampling device for detection of low levels of a property/quality trait present in an inhomogeneously distributed sample substrate | |
| US11408825B2 (en) | Forensic detector and the system thereof | |
| CN108982390B (en) | Water body pesticide residue detection method based on atomic absorption spectrum information | |
| Minnes et al. | Fiber-optic evanescent wave spectroscopy (FEWS) of crystals from a urine sample as a tool for evaluating the chemical composition of kidney stones | |
| RU200181U1 (en) | Device for rapid analysis of molecular structures | |
| CN111380838A (en) | Handheld device for in-situ determination of soil nitrate nitrogen and detection method thereof | |
| CN108132227A (en) | The discrimination method and system of naproxen capsule agent | |
| EP4137797A1 (en) | Anti-interference detection method and sample analyzer | |
| TWI312413B (en) | Inspection system of bio-chip sample and method of grating-type bio-chip inspection | |
| CN112683859B (en) | Component quantitative analysis method, test system and storage medium | |
| KR101361178B1 (en) | Management apparatus about Terahertz spectrum data of food and method for therefor |
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 |