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Method for identifying bloodstones

A bloodstone and chicken identification technology is applied in the field of identification of chicken bloodstone, which can solve the problems of poor accuracy, difficulty in finding standard products, and difficulty in completely eliminating particle effects and mineral effects.

Inactive Publication Date: 2018-08-24
曹姝旻
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The existing X-ray powder crystal diffraction method for identifying bloodstone is mainly to grind the bloodstone and then perform X-ray powder crystal diffraction. The disadvantage of this method is that it is difficult to completely eliminate the particle effect and mineral effect, and it is difficult to find a matching standard. Supplies, poor accuracy of analysis

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0042] A method for identifying bloodstone, comprising:

[0043] Two chicken blood stones were purchased from the market in Bahrain and two chicken blood stones were purchased in Changhua chicken blood stone mining area, and they were used as test groups 1-4 respectively.

[0044] Soak the bloodstones of test groups 1-4 in water at 20-35°C for 30-40 minutes, drain and air-dry, and observe under a microscope to remove unqualified bloodstones.

[0045] Among them, the bloodstone in test group 1 was different from the other three groups in terms of luster observed by reflected light. The boundary between the cinnabar crystal and "earth" was obvious, and it was found that there were bubbles in the glue between the cinnabar crystal and "ground". Therefore, the identification test The bloodstone in Group 1 is a fake bloodstone, which should be glued into a whole by gluing the bloodstone that has been split into several pieces, and adding larger cinnabar crystals to the glue when glu...

Embodiment 2

[0051] A method for identifying bloodstone, comprising:

[0052] Three Bahrain chicken blood stones were purchased in the market and used as test groups 5-7 respectively.

[0053] The chicken blood stones of test groups 5-7 were soaked in water at 20-35°C for 30-40 minutes, drained, air-dried, and observed under a microscope. No obvious fraud was found in all three.

[0054] Scrape off 17ug of the bloodstone samples of test group 5-7 on the back of the bloodstone samples of test group 5-7, grind them at -5°C until the particle size of the bloodstone samples after grinding is 12um≤15um, and mix with alcohol respectively Mix according to the volume ratio of 0.8:1.1, ultrasonically disperse for 3s under the condition of ultrasonic wave with a frequency of 27KHz, apply it on a glass sample, and carry out X-ray powder crystal diffraction. Standard X-ray powder crystal diffraction data are compared and identified.

[0055] Wherein, the thickness of the bloodstone sample coated on ...

Embodiment 3

[0059] A method for identifying bloodstone, comprising:

[0060] One piece of Bahrain chicken blood stone was purchased in the market and used as the test group 8 respectively.

[0061] After washing and air-drying the chicken blood stones in test group 8, they were observed under a microscope, and no obvious fraud was found.

[0062] Scrape off 17ug bloodstone samples from the back of test group 8, grind them at -5°C until the particle size of the bloodstone samples after grinding is 12um ≤ 15um, then mix them with alcohol at a volume ratio of 0.8:1.1, After ultrasonic dispersion with a frequency of 27KHz for 3s, it is coated on a glass sample, and X-ray powder crystal diffraction is performed, and the X-ray powder crystal diffraction data of the bloodstone sample are compared with the standard X-ray powder crystal diffraction data of the bloodstone. , identification. The conditions of X-ray powder crystal diffraction are: CuKα radiation, tube voltage 40kV, tube current 33m...

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Abstract

The invention relates to a method for identifying bloodstones and relates to the technical field of detection. The method for identifying the bloodstones comprises the following steps: washing the bloodstones and drying the bloodstones in the air; then carrying out microscopic observation under a microscope; after eliminating unqualified bloodstones, sampling the residual bloodstones; after grinding at -10 to -3 DEG C until the grain diameter is less than or equal to 20mu m, mixing with alcohol; after carrying out ultrasonic dispersion for 2 to 3s, coating in a glass sample wafer; carrying outX-ray powder crystal diffraction; comparing obtained X-ray powder crystal diffraction data of the bloodstone sample with standard X-ray powder crystal diffraction data of the bloodstones, and identifying. The method provided by the invention has the advantages of simple and controllable operation and high analysis accuracy.

Description

technical field [0001] The invention relates to the technical field of detection, and in particular to a method for identifying bloodstone. Background technique [0002] Bloodstone contains cinnabar, (cinnabar), quartz, calcite, stibnite, dickite, kaolinite, dolomite and other minerals, and most of them contain sulfide and silicate minerals with various components such as mercury sulfide. Different origins have different textures and components, but they are all inseparable from the mercury sulfide component. [0003] Soapstone is composed of "earth" and "blood". It is generally believed that the mineral composition of "blood" is mainly cinnabar. The composition of "ground", such as Changhua bloodstone, the mineral composition of "ground" is mainly dickite in clay minerals, and also contains a considerable amount of kaolinite, alunite, halloysite, quartz, pyrite Wait. In the early days, ancient literati and bureaucrats used chicken blood stone to make seals, and it is a ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N23/20
CPCG01N23/20
Inventor 曹姝旻
Owner 曹姝旻
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