CN101368887B - Gel sampling method of oil-field water and bittern used for X-ray fluorescence spectrum analysis - Google Patents
Gel sampling method of oil-field water and bittern used for X-ray fluorescence spectrum analysis Download PDFInfo
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- CN101368887B CN101368887B CN2008101510932A CN200810151093A CN101368887B CN 101368887 B CN101368887 B CN 101368887B CN 2008101510932 A CN2008101510932 A CN 2008101510932A CN 200810151093 A CN200810151093 A CN 200810151093A CN 101368887 B CN101368887 B CN 101368887B
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- gel
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- field water
- ray fluorescence
- bittern
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Abstract
The invention provides an oil field water and brine gel sample preparation method for X-ray fluorescence spectral analysis, which takes konjac gum as the gel and makes the oil field water and brine with high salinity into high-hardness gel; and the gel still has better gel properties and water-holding capacity at a high temperature of 70-90 DEG C. When the gel is used for X-ray fluorescence spectral test, the gel can avoid the risk of liquid leakage and effectively prevent the liquid sample damaging the X-ray tubes; in addition, the gel sample can be directly tested in the vacuum instead of helium atmosphere so as to greatly reduce the test cost.
Description
Technical field
The invention belongs to the spectral analysis field, relate to the method for making sample in the X-ray fluorescence spectra analysis, be specifically related to a kind of gel method for making sample that X-ray fluorescence spectra is analyzed oil-field water, bittern that is used for.
Technical background
1895, Germany scientist roentgen at first found X ray.Successively the characteristic of X ray had gained some understanding thereafter.1908, Barkla found that each material all can launch X ray separately.He is called the X ray characteristic spectrum of this element with this.1912, people such as Friedrich infer when X ray by crystal may produce interference, and confirmed by experiment X ray the same with light all be ripple.At the year ends 1913, people such as Bragg have proposed famous Bragg formula simultaneously: n λ=2dsin θ, thus the interference of X ray by crystal there has been quantitative description.In the same year, Moseley has proposed the Moseley law, and this law has been established the basis of x-ray fluorescence analysis.1948, Friedman and Birks used the fluorescence spectrophotometer that the Geiger counter is at first developed commodity.
Along with development of computer, Xray fluorescence spectrometer is developed greatly, plays a significant role in the development of the national economy gradually.In the XRF application, numerous scientific workers is for bringing into play Xray fluorescence spectrometer in the function aspect the analysis liquid, expand the XRF application, through constantly explore, experiment, research summary, it is perfect that the X-ray fluorescence spectra analytical approach is obtained constantly.
Utilizing Xray fluorescence spectrometer liquid substance to be carried out in the process of quantitative test, because Xray fluorescence spectrometer is to shine the formula fluorescence spectrophotometer down, the danger that will emit leak of liquid during test will damage the X-ray pipe just in case leak of liquid takes place; Simultaneously need to feed helium in test process, testing cost is high.For the danger of stopping a leak, reduce testing cost, gel sample preparation method has just been arranged.Gel sample preparation method had both had the advantage of solwution method, had the advantage of solid process again, and had avoided both intrinsic to lack: element is evenly distributed, no granularity effect, and the danger of no solution leakage, simple to operate.Adopt at present maximum gel sample preparation methods, be sample liquid under the situation of pH8～14, be the complexing buffering agent with sodium citrate-EDTA mixed solution, as gel, make the rock sample liquid curing be solid shape print with agarose, be used for XRF and measure.But because the salinity of bittern, oil-field water is very high, mean value reaches 220g/L, is to make the solution casting agglutination as agarose, agar isocolloid.Up to the present, also the gel sample preparation is not used for the measurement of oil-field water, bittern.
Summary of the invention
The object of the present invention is to provide a kind of oil-field water of X-ray fluorescence spectra analysis, gel method for making sample of bittern of being used for.
The method for making sample of oil-field water of the present invention, bittern gel, be that the oil-field water that pipettes certain mass, halogen aqueous humor are in container, the konjac glucomannan that adds oil-field water, halogen aqueous humor quality 2～8%, after mixing, be heated to 70～90 ℃, be incubated 10～30 seconds, make the liquid fluid performance reach better, natural cooling promptly got gel in 2～4 hours in air, and the machine of going up is then measured and got final product.
The method for making sample of oil-field water of the present invention, bittern gel, utilize konjac glucomannan as gel, oil-field water, the bittern of high salinity are made the gel with high rigidity, this gel still has gel characteristic and water-retaining property preferably under 70～90 ℃ high temperature, when being used for X-ray fluorescence spectra test oil water in field, bittern, can avoid the danger of leak of liquid, effectively prevent the damage of fluid sample the X-ray pipe; And the gel print of making can directly be tested under the condition of vacuumizing, and greatly reduces testing cost.
The present invention is in preparation oil-field water, bittern gel sample liquid process, and fluid loss is controlled at about 0.1%, can guarantee the accuracy of X-ray fluorescence spectra analysis oil-field water, bittern.
Embodiment
X-ray fluorescence spectra is analyzed the gel sample preparation of oil-field water, bittern, carries out according to following steps:
1, the transfer pipet with 20mL moves into the simulated oil water in field in the small beaker of 50ml, and the beaker quality is 37.1588g, and the oil-field water quality is 25.9250g, and gross mass is 63.0838g; The konjac glucomannan that adds 1.0002g sways beaker gently and makes liquid mixing even in small beaker.
2, the beaker that test solution is mixed is placed on the electric furnace and heated 50 seconds, covers surface plate, makes the fluid temperature in the beaker remain on 80 ℃; Be incubated after 12 seconds, rapidly liquid poured in the sample cup that liquid film is housed, the colloid quality that control is poured into, writing down this quality is 16.9962g, the quality of weighing beaker and residue is recorded as 47.0634g simultaneously;
3, gel was placed in the air natural cooling 2～4 hours, the machine of going up is then measured and is got final product.
Calculate fluid loss by following formula:
Fluid loss=(m
1+ m
2++ m
3-m
4-m
5)/m
20.1%
m
1The quality of-beaker,
m
2-_ liquid quality
m
3_-konjac glucomannan quality
m
4-pour the colloid quality in the sample cup into
m
5-colloid is poured the quality of beaker and residue behind the sample cup into
Result of calculation: fluid loss is 0.094%.
Claims (1)
1. one kind is used for the oil-field water of X-ray fluorescence spectra analysis, the gel method for making sample of bittern, it is characterized in that: pipette oil-field water or halogen aqueous humor in container, the konjac glucomannan that adds oil-field water or halogen aqueous humor quality 2～8%, after mixing, be heated to 70～90 ℃, be incubated 10～30 seconds, natural cooling promptly got gel in 2～4 hours then, and the machine of going up is then measured and got final product.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008101510932A CN101368887B (en) | 2008-09-13 | 2008-09-13 | Gel sampling method of oil-field water and bittern used for X-ray fluorescence spectrum analysis |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008101510932A CN101368887B (en) | 2008-09-13 | 2008-09-13 | Gel sampling method of oil-field water and bittern used for X-ray fluorescence spectrum analysis |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101368887A CN101368887A (en) | 2009-02-18 |
| CN101368887B true CN101368887B (en) | 2011-05-25 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008101510932A Expired - Fee Related CN101368887B (en) | 2008-09-13 | 2008-09-13 | Gel sampling method of oil-field water and bittern used for X-ray fluorescence spectrum analysis |
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| CN (1) | CN101368887B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103344658A (en) * | 2013-07-23 | 2013-10-09 | 中国科学院青海盐湖研究所 | Method for measuring X-ray scattering of liquid |
| CN110715947B (en) * | 2019-12-12 | 2020-03-24 | 湖南航天磁电有限责任公司 | Method for measuring barium calcium in industrial strontium carbonate by adopting gel X-ray fluorescence spectrometry |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1249425A (en) * | 1999-08-20 | 2000-04-05 | 北京矿冶研究总院 | Sample preparation method for X-ray spectral analysis |
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2008
- 2008-09-13 CN CN2008101510932A patent/CN101368887B/en not_active Expired - Fee Related
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1249425A (en) * | 1999-08-20 | 2000-04-05 | 北京矿冶研究总院 | Sample preparation method for X-ray spectral analysis |
Non-Patent Citations (2)
| Title |
|---|
| JP平3-216532A 1991.09.24 |
| 王小泉，宋雪峰.魔芋葡甘聚糖弱凝胶研制.油田化学.2003,20(3),258-260. * |
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| Publication number | Publication date |
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| CN101368887A (en) | 2009-02-18 |
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