CN109856110A - A kind of identification method of ulrichile - Google Patents
A kind of identification method of ulrichile Download PDFInfo
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- CN109856110A CN109856110A CN201711238186.4A CN201711238186A CN109856110A CN 109856110 A CN109856110 A CN 109856110A CN 201711238186 A CN201711238186 A CN 201711238186A CN 109856110 A CN109856110 A CN 109856110A
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- 238000000034 method Methods 0.000 title claims abstract description 31
- 229910052770 Uranium Inorganic materials 0.000 claims abstract description 26
- JFALSRSLKYAFGM-UHFFFAOYSA-N uranium(0) Chemical compound [U] JFALSRSLKYAFGM-UHFFFAOYSA-N 0.000 claims abstract description 26
- 229910001727 uranium mineral Inorganic materials 0.000 claims abstract description 22
- 238000001237 Raman spectrum Methods 0.000 claims abstract description 19
- 238000004458 analytical method Methods 0.000 claims abstract description 17
- 229910052500 inorganic mineral Inorganic materials 0.000 claims abstract description 15
- 239000011707 mineral Substances 0.000 claims abstract description 15
- 238000001069 Raman spectroscopy Methods 0.000 claims abstract description 14
- 239000000203 mixture Substances 0.000 claims abstract description 13
- 238000004611 spectroscopical analysis Methods 0.000 claims abstract description 9
- 238000004519 manufacturing process Methods 0.000 claims abstract description 8
- 238000011065 in-situ storage Methods 0.000 claims abstract description 6
- 238000012545 processing Methods 0.000 claims abstract description 6
- 230000003595 spectral effect Effects 0.000 claims description 12
- 238000012360 testing method Methods 0.000 claims description 10
- 230000033558 biomineral tissue development Effects 0.000 claims description 5
- 238000001530 Raman microscopy Methods 0.000 claims description 4
- 238000011835 investigation Methods 0.000 claims description 3
- 239000000126 substance Substances 0.000 claims description 2
- 238000005516 engineering process Methods 0.000 abstract description 7
- 238000002360 preparation method Methods 0.000 abstract description 5
- 230000035945 sensitivity Effects 0.000 abstract description 3
- 230000000694 effects Effects 0.000 abstract description 2
- 239000000523 sample Substances 0.000 description 24
- 238000004453 electron probe microanalysis Methods 0.000 description 4
- 239000010438 granite Substances 0.000 description 4
- 241001596291 Namibia Species 0.000 description 2
- 238000002050 diffraction method Methods 0.000 description 2
- 238000005188 flotation Methods 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000005272 metallurgy Methods 0.000 description 2
- 238000002310 reflectometry Methods 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 239000011435 rock Substances 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 1
- -1 alaskite Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- IKNAJTLCCWPIQD-UHFFFAOYSA-K cerium(3+);lanthanum(3+);neodymium(3+);oxygen(2-);phosphate Chemical compound [O-2].[La+3].[Ce+3].[Nd+3].[O-]P([O-])([O-])=O IKNAJTLCCWPIQD-UHFFFAOYSA-K 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 229910000169 coffinite Inorganic materials 0.000 description 1
- 239000000571 coke Substances 0.000 description 1
- 238000010835 comparative analysis Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000012850 discrimination method Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 235000021321 essential mineral Nutrition 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 229910052949 galena Inorganic materials 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- XCAUINMIESBTBL-UHFFFAOYSA-N lead(ii) sulfide Chemical compound [Pb]=S XCAUINMIESBTBL-UHFFFAOYSA-N 0.000 description 1
- 239000003077 lignite Substances 0.000 description 1
- 230000035800 maturation Effects 0.000 description 1
- 229910052590 monazite Inorganic materials 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 239000002367 phosphate rock Substances 0.000 description 1
- OJMIONKXNSYLSR-UHFFFAOYSA-N phosphorous acid Chemical compound OP(O)O OJMIONKXNSYLSR-UHFFFAOYSA-N 0.000 description 1
- 229910052683 pyrite Inorganic materials 0.000 description 1
- NIFIFKQPDTWWGU-UHFFFAOYSA-N pyrite Chemical compound [Fe+2].[S-][S-] NIFIFKQPDTWWGU-UHFFFAOYSA-N 0.000 description 1
- 239000011028 pyrite Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- ZCUFMDLYAMJYST-UHFFFAOYSA-N thorium dioxide Chemical compound O=[Th]=O ZCUFMDLYAMJYST-UHFFFAOYSA-N 0.000 description 1
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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/24—Earth materials
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- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- General Physics & Mathematics (AREA)
- Pathology (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Immunology (AREA)
- Physics & Mathematics (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Environmental & Geological Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Remote Sensing (AREA)
- Food Science & Technology (AREA)
- Medicinal Chemistry (AREA)
- Investigating, Analyzing Materials By Fluorescence Or Luminescence (AREA)
Abstract
The invention belongs to uranium ore identification technology fields, and in particular to a kind of identification method of ulrichile, method includes the following steps: step 1: acquisition ore sample；Step 2: the production of light thin slice and rock-mineral determination are carried out to acquisition sample ore；Step 3: Laser Roman spectroscopic analysis of composition is carried out to ulrichile in situ；Step 4: the Raman spectrum figure of ulrichile is made in data processing.The present invention gives full play to effect of the advanced technology means of laser Raman spectroscopy on analysis berryllium mineral, main Economic Uranium Minerals ulrichile is decomposited from complicated paragenetic association of minerals, the not complicated sample preparation procedure of this method, the generation of error in preparation process is avoided, while having easy to operate, minute short and sensitivity advanced analysis advantage.
Description
Technical field
The invention belongs to uranium ore identification technology fields, and in particular to a kind of identification method of ulrichile.
Background technique
So far, in the world it has been found that uranium mineral and about 500 kinds of uranium bearing mineral, wherein more than uranium mineral 200, but true
Just with industrial value, can be used as only more than 20 of uranium ore resource development and utilization.Ulrichile is main Economic Uranium Minerals, is
At present refine uranium essential mineral raw material, it is seen that in many huge uranium deposits in the world, as the U.S., Namibia, Canada,
The states such as Australia, Brazil, South Africa, the Niger, Russia and Kazakhstan.In China Qinling area, Nanling mountains, Tianshan Mountains
Area, Yanshan-Liaoning area all have output in some large and medium-sized uranium deposits in West Yunnan.
Currently, uranium deposit is divided into granite type, sandrock-type, Volcanic-type, not whole by International Atomic Energy Agency (IAEA)
Conjunction face type, more metal ferriferous oxide dust complex types, Gu Shiying-pebble conglomerate type, Metamorphic Rock Type, intrusion lithotype, explanation lithotype,
Table gives birth to type, Carbonate Type, collapse breccia type, phosphorite type, lignite and coal petrography type and Black Shale-type etc. totally 15 major class.Respectively
Class uranium deposit all contains ulrichile substantially, but with granite type, Volcanic-type, intrusion lithotype, plane of unconformity type, Gu Shiying-
Based on pebble conglomerate type and Carbonate-type uranium deposit.
Ulrichile mainly originates in granite, alaskite, granite peamatite, syenite-pegmatite and conglomerate.Often with coffinite,
Broggerite, thorianite, pyrite, monazite, columbite and galena etc. are total to association.Ulrichile is accessory mineral, in rock mass
Content it is seldom, and most of particle is also very tiny, at several microns to several hundred microns, therefore, it is difficult to the naked eye identify.Separately
Outside, ulrichile is melanocratic mineral, often together with other metal melanocratic minerals, is difficult to be identified under the microscope, and
The reflectivity of ulrichile and the reflectivity of other uranium minerals are very nearly the same, it is difficult to distinguish.Currently, common discrimination method is logical
X diffraction analysis and electron probe microanalysis (EPMA) are crossed, this method is practical, but process is more, and expense is relatively expensive, be to sample
Product carry out broken sample, slice, rock-mineral determination, spray carbon, then analyze again.And now local laser Raman spectrum analysis technology is very
Maturation is widely used in petroleum, Ore Deposits, petrology, inclusion enclave etc. research, but but never relates to the identification of uranium mineral
And.The not complicated preparation process of the measuring technology, avoids the generation of some errors, at the same it is in situ, in real time, economic, operation
Simplicity, minute is short and therefore sensitivity advanced analysis advantage reflects to ulrichile with local laser Raman spectrum
Be not very it is necessary to.
Summary of the invention
It is an object of the invention to solve to prepare in existing X diffraction analysis and electron probe microanalysis (EPMA) ulrichile technology
Process is also easy to produce the defect of identification error, provides a kind of identification method of ulrichile.
The technical scheme adopted by the invention is that:
A kind of identification method of ulrichile, method includes the following steps:
Step 1: acquisition ore sample；
Step 2: the production of light thin slice and rock-mineral determination are carried out to acquisition sample ore；
Step 3: Laser Roman spectroscopic analysis of composition is carried out to ulrichile in situ；
Step 4: the Raman spectrum figure of ulrichile is made in data processing.
Step 1 as described above: acquisition ore sample, comprising: field on-the-spot investigation, system acquisition uranium mineralization alaskite
Sample, sample specification are 3 × 6 × 9cm, and sample is 5 pieces.
Step 2 as described above: the production of light thin slice and rock-mineral determination are carried out to acquisition sample ore, comprising: to the sample ore of acquisition into
Row slice, is fabricated to the light thin slice of 0.3mm, the uranium mineral composition of ore is observed on microscope, and will likely be uranium mineral
The circle of position comes out, and is used for next step Laser Roman spectroscopic analysis of composition.
Step 3 as described above: Laser Roman spectroscopic analysis of composition is carried out to ulrichile in situ, comprising: setting LR laser raman
Analyze Laser-Raman microspectroscopy used, wavelength 532nm, 100~4200cm of scanning range-1, the temperature of test is 25 DEG C,
Humidity is 50%；Smooth thin slice to be measured is placed on microobject platform, to opaque uranium mineral, using transillumination light-seeking,
Laser is focused on the more uniform position of dark-coloured uranium mineral, is quickly scanned with dynamically taking spectral model to carry out a wide scope, root
Select corresponding slit/pin hole wide according to the susceptibility of the power of spectral peak, the demand of spectral resolution and sample to laser power
Degree, grating line and laser power；Respective scanned range, CCD time for exposure are set according to test request and ulrichile situation
And scanning times, it is automatically controlled by a computer system and completes scanning.
Step 4 as described above: the Raman spectrum figure of ulrichile is made, comprising: to ulrichile in data processing
It analyzes the data measured to be handled, the Raman spectrogram of ulrichile is made, verifies the accuracy of spectrogram, in different samples
In select 5-10 ulrichile and carry out Raman spectrum analysis so that finally determining the Raman spectrum figure of ulrichile.
The beneficial effects of the present invention are:
(1) identification method for a kind of ulrichile that the present invention designs, gives full play to the advanced technology of laser Raman spectroscopy
Effect of the means on analysis uranium mineral, decomposites main Economic Uranium Minerals crystalloid uranium from complicated paragenetic association of minerals
Mine.The not complicated sample preparation procedure of this method, avoids the generation of error in preparation process, at the same have it is easy to operate, survey
It fixes time short and sensitivity advanced analysis advantage.
(2) the present invention is based on the analyses and processing, alaskite to Namibia's joy Canyon uranium ore sample experiments data
It the research achievement of uranium mineral and is developed on the basis of being compared with known more than 10 alaskite type uranium deposits in type uranium ore
Come, covers that wide, validity is good, strong applicability, accuracy are good.
(3) the method for the present invention identifies ulrichile using laser Raman spectroscopy, and test accuracy is high, easy to operate, uses
When it is short, it not only avoids complicated sample pretreatment process, while it is main on Raman spectrogram also to disclose ulrichile
Spectral peak position provides thinking for the process mineralogy and flotation and metallurgy method of uranium deposit, for inquiring into the origin cause of formation and guidance of uranium deposit
Flotation and metallurgy method all has very important significance.
Detailed description of the invention
A kind of Fig. 1: identification method flow chart of ulrichile provided by the present invention；
Fig. 2: in the embodiment of the present invention in certain uranium ore ulrichile laser Raman spectroscopy figure；
Specific embodiment
Invention is further described in detail with reference to the accompanying drawings and examples.
As shown in Figure 1, a kind of identification method of ulrichile, method includes the following steps:
Step 1: acquisition ore sample；Field on-the-spot investigation, system acquisition uranium mineralization alaskite sample, sample specification 3
× 6 × 9cm, sample are 5 pieces.
Step 2: the production of light thin slice and rock-mineral determination are carried out to acquisition sample ore；The sample ore of acquisition is sliced, is fabricated to
The light thin slice of 0.3mm observes the uranium mineral composition of ore on microscope, and will likely be that the circle of position of uranium mineral comes out, and uses
In next step Laser Roman spectroscopic analysis of composition.
Step 3: Laser Roman spectroscopic analysis of composition is carried out to ulrichile in situ；Setting LR laser raman analyzes instrument
LABHR-VIS LabRAM HR800 type Laser-Raman microspectroscopy, wavelength 532nm, 100~4200cm of scanning range-1,
The temperature of test is 25 DEG C, humidity 50%；Smooth thin slice to be measured is placed on microobject platform, to opaque uranium mineral, is adopted
With transillumination light-seeking, laser is focused on the more uniform position of dark-coloured uranium mineral, with dynamically taking spectral model to carry out once
Wide scope quickly scans, and is selected according to the susceptibility of the power of spectral peak, the demand of spectral resolution and sample to laser power
Corresponding slit/pinhole width, grating line and laser power；Respective scanned is set according to test request and ulrichile situation
Range, CCD time for exposure and scanning times are automatically controlled by a computer system and complete scanning.
Step 4: the Raman spectrum figure of ulrichile is made in data processing:
The data measured to ulrichile analysis are handled, and the Raman spectrogram of ulrichile is made, and verify spectrogram
Accuracy, 5-10 ulrichile is selected in different samples and carries out Raman spectrum analysis, so that finally determining ulrichile
Raman spectrum figure.
Other specific embodiments are as follows, and invention is further described in detail by taking certain alaskite type uranium ore as an example.
Step 1: carrying out field study in certain alaskite type uranium ore area, and acquire uranium mineralization alaskite sample, sample is wanted
It looks for novelty fresh, generally 3 × 6 × 9cm, at least 5 pieces of sample size.
Step 2: the production of light thin slice and rock-mineral determination are carried out to the uranium mineralization alaskite of acquisition.Firstly, to the mineralising of acquisition
Alaskite is sliced, the light thin slice of production 0.3mm or so, the uranium mineral composition of ore is then observed on microscope, and will
It may be that the circle of position of ulrichile comes out, be used for next step Laser Roman spectroscopic analysis of composition.
Step 3: analysis test being carried out to ulrichile in petrographic thin section using laser Raman spectroscopy.LR laser raman analyzes institute
It is LABHR-VIS LabRAM HR800 type Laser-Raman microspectroscopy with instrument, wavelength 532nm, scanning range 50~
4200cm-1, the temperature of test is 25 DEG C, humidity 50%.According to JY/T002-1996, " laser Raman spectrum analysis method is logical
Then ", the light thin slice by be measured containing ulrichile is placed on microobject platform, and using indirect illumination light-seeking, laser is gathered
Coke is on the relatively uniform position of ulrichile.First spectral model is taken to carry out the quick scanning an of wide scope with dynamic, according to spectrum
The power at peak, the demand of spectral resolution and ulrichile to the susceptibility of laser power, setting pinhole aperture is 300 μm,
Slit width is 100 μm, grating line is 1200T and laser power≤25% or 10%.According to test request and ulrichile
Situation sets scanning range as 50-1000cm-1, the CCD time for exposure is 10-20s and scanning times are 5-10 times, and by computer
Automatic control system completes scanning.
Step 4: the data measured to ulrichile analysis are handled with Excel table, and the Raman light of ulrichile is made
Spectrogram can select 10 ulrichiles in 5 mineralising alaskites and carry out Raman spectrum point to verify the accuracy of spectrogram
Analysis finally determines the Raman spectrum figure of ulrichile using comparative analysis, as shown in Fig. 2, identifying crystalline substance again so as to subsequent
It, can accurate judgement as long as being compared with raman spectrum with the feature spectrogram of ulrichile when matter uranium ore.
The present invention is explained in detail above in conjunction with drawings and examples, but the present invention is not limited to above-mentioned implementations
Example, within the knowledge of a person skilled in the art, can also make without departing from the purpose of the present invention
Various change out.The content being not described in detail in the present invention can use the prior art.
Claims (5)
1. a kind of identification method of ulrichile, it is characterised in that: method includes the following steps:
Step 1: acquisition ore sample；
Step 2: the production of light thin slice and rock-mineral determination are carried out to acquisition sample ore；
Step 3: Laser Roman spectroscopic analysis of composition is carried out to ulrichile in situ；
Step 4: the Raman spectrum figure of ulrichile is made in data processing.
2. a kind of identification method of ulrichile according to claim 1, it is characterised in that: the step one: acquisition
Ore sample, comprising: field on-the-spot investigation, system acquisition uranium mineralization alaskite sample, sample specification are 3 × 6 × 9cm, sample
It is 5 pieces.
3. a kind of identification method of ulrichile according to claim 1, it is characterised in that: the step 2: to acquisition
Sample ore carries out the production of light thin slice and rock-mineral determination, comprising: and the sample ore of acquisition is sliced, the light thin slice of 0.3mm is fabricated to,
The uranium mineral composition of ore is observed on microscope, and will likely be that the circle of position of uranium mineral comes out, and is used for next step LR laser raman
Spectrum analysis.
4. a kind of identification method of ulrichile according to claim 1, it is characterised in that: the step three: to original
Position ulrichile carries out Laser Roman spectroscopic analysis of composition, comprising: setting LR laser raman analyzes Laser-Raman microspectroscopy used, wave
A length of 532nm, 100~4200cm of scanning range-1, the temperature of test is 25 DEG C, humidity 50%；Smooth thin slice to be measured is placed in
On microobject platform, to opaque uranium mineral, using transillumination light-seeking, it is more uniform that laser is focused on into dark-coloured uranium mineral
On position, quickly scanned with dynamically taking spectral model to carry out a wide scope, according to the power of spectral peak, the demand of spectral resolution with
And sample selects corresponding slit/pinhole width, grating line and laser power to the susceptibility of laser power；It is wanted according to test
Ulrichile situation of summing setting respective scanned range, CCD time for exposure and scanning times, it is complete to be automatically controlled by a computer system
At scanning.
5. a kind of identification method of ulrichile according to claim 1, it is characterised in that: the step 4: at data
Reason, is made the Raman spectrum figure of ulrichile, comprising: the data measured to ulrichile analysis are handled, and crystalline substance is made
The Raman spectrogram of matter uranium ore verifies the accuracy of spectrogram, and 5-10 ulrichile is selected in different samples and carries out Raman
Spectrum analysis, so that finally determining the Raman spectrum figure of ulrichile.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201711238186.4A CN109856110A (en) | 2017-11-30 | 2017-11-30 | A kind of identification method of ulrichile |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201711238186.4A CN109856110A (en) | 2017-11-30 | 2017-11-30 | A kind of identification method of ulrichile |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111141734A (en) * | 2019-12-30 | 2020-05-12 | 核工业北京地质研究院 | Method for rapidly positioning thorium mineral and identifying co-associated relationship of thorium mineral |
| CN111399025A (en) * | 2020-03-24 | 2020-07-10 | 东华理工大学 | Hydrothermal uranium ore deep detection method and system |
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| CN111141734A (en) * | 2019-12-30 | 2020-05-12 | 核工业北京地质研究院 | Method for rapidly positioning thorium mineral and identifying co-associated relationship of thorium mineral |
| CN111399025A (en) * | 2020-03-24 | 2020-07-10 | 东华理工大学 | Hydrothermal uranium ore deep detection method and system |
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Application publication date: 20190607 |