CN202682842U - Chromatographic column for geochemistry - Google Patents
Chromatographic column for geochemistry Download PDFInfo
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- CN202682842U CN202682842U CN 201220361495 CN201220361495U CN202682842U CN 202682842 U CN202682842 U CN 202682842U CN 201220361495 CN201220361495 CN 201220361495 CN 201220361495 U CN201220361495 U CN 201220361495U CN 202682842 U CN202682842 U CN 202682842U
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Abstract
The utility model discloses a chromatographic column for geochemistry, which comprises a glass tube (1), a bell (2) connected with the top of the glass tube (1), and a conical mouth (3) connected with the bottom of the glass tube (1), wherein at least sand core (4) is arranged at the bottom of the glass tube (1). According to the chromatographic column, the amount of absorbents and organic reagents can be reduced, and the chromatographic column has the characteristics of low cost, simple operation, high separation efficiency, small environmental pollution, good separation effect and easiness in popularization.
Description
Technical field
The utility model relates to petroleum geochemistry experimental technique field, specifically a kind of ground chromatographic column that is used for separating extract family component in crude oil and the sedimentary rock.
Background technology
Extract is comprised of saturated hydrocarbons, aromatic hydrocarbon, nonhydrocarbon, asphalitine four components in crude oil and the sedimentary rock, and it is the important parameter of estimating oil property, hydrocarbon source rock abundance.The chromaticness data of saturated hydrocarbons and aromatic hydrocarbon have important application at aspects such as the maturity of estimating hydrocarbon source rock, depositional environment, thing source, OIL SOURCE CORRELATION, therefore saturated hydrocarbons are separated with aromatic component and thoroughly just seem particularly important.
Conventional chromatographic column uses the 50ml acid buret, internal diameter 0.9cm, and length is about 50cm, during the separating family component, filling a small amount of absorbent cotton in pillar bottom adds 3g silica gel, the 2g aluminium oxide more successively.The method needs more adsorbent and a large amount of organic reagents, one complete requirements of process 4-6 hour, its shortcoming is that cost height, contaminated environment, experimental period are long.In addition, owing to saturated hydrocarbons separates the result who does not thoroughly affect saturated hydrocarbons and aromatic hydrocarbon chromaticness with the monocycle aromatised fraction, even the geochemistry that leads to errors understanding.
The utility model content
The technical problem that cost height, contaminated environment, experimental period are grown when using in order to solve chromatographic column in the prior art, the utility model provides to change a kind ofly uses chromatographic column, this chromatographic column replaces absorbent cotton with core, can reduce the use amount of adsorbent and organic reagent, it is low to have use cost, simple to operate, and separative efficiency is high, environmental pollution is little, the characteristics of good separating effect.
The utility model for the technical scheme that solves its technical problem and adopt is: change a kind ofly and use chromatographic column, comprise glass tube, the bell that is connected with the glass tube top, the tapered mouth that is connected bottom glass tube, the bottom of glass tube is provided with at least one core.
Replace absorbent cotton with core, can reduce the use amount of adsorbent and organic reagent, it is low to have use cost, simple to operate, and separative efficiency is high, and environmental pollution is little, the characteristics of good separating effect.
Preferably along the length direction of glass tube, the bottom of glass tube is provided with at least two cores, and the distance between adjacent two cores is 5mm~15mm.
Be preferably placed at the aperture of core of bottom less than the aperture of superposed core.
The bottom of preferred glass pipe is provided with two cores, and the model that is positioned at the core of bottom is P70.
The bottom of preferred glass pipe is provided with two cores, and the model of superposed core is P100.
The diameter of preferred core and the internal diameter of glass tube are complementary.
Preferred core is cylindrical, and the thickness of core is 1mm~5mm.
Preferred core is welded in the inwall of glass tube.
The beneficial effects of the utility model are: this chromatographic column can reduce the use amount of adsorbent and organic reagent, and it is low to have use cost, and is simple to operate, and separative efficiency is high, and environmental pollution is little, good separating effect, the characteristics that are easy to promote.
Description of drawings
By reference to the accompanying drawings chromatographic column described in the utility model is described in further detail down.
Fig. 1 is the front view of chromatographic column.
Wherein 1. glass tubes, 2. bell, 3. tapered mouth, 4. core.
The specific embodiment
Describe in detail change with chromatographic column described in the utility modelly by reference to the accompanying drawings down.Change a kind ofly and use chromatographic column, comprise glass tube 1, the bell 2 that is connected with glass tube 1 top, the tapered mouth 3 that is connected with glass tube 1 bottom, the bottom of glass tube 1 is provided with at least one core 4, such as Fig. 1.
The material of the glass tube 1 of chromatographic column is chemical analysis glass, specifically is of a size of external diameter 13mm, internal diameter 10mm, long 14mm, the high 50mm of upper end bell part, bore 60mm, lower end exit portion tapered mouth external diameter 4mm, internal diameter 2mm; Replace absorbent cotton in the common chromatographic column with core, the use amount of adsorbent and organic reagent in the time of can reducing chromatographic column and use, it is low to have use cost, simple to operate, and separative efficiency is high, and environmental pollution is little, the characteristics of good separating effect.
When only having a core 4 in the chromatographic column, the model of core 4 is P100.In order to improve separative efficiency, along the length direction of glass tube, the bottom of glass tube is provided with at least two cores, and the distance between adjacent two cores is 5mm~15mm.Be positioned at the aperture of core 4 of bottom less than the aperture of superposed core 4.Superposed core 4 works to stop neutral alumina, can guarantee simultaneously that liquid is smooth and easy to pass through; The core 4 that is positioned at the bottom plays filter liquide, guarantees the liquid free from admixture of collecting.Be superposed core 4 coarse filtrations, the core 4 that is positioned at the bottom carefully filters, and all compares in a core 4 with thin the filtration with coarse filtration, and the set-up mode of this two cores series connection has reduced disengaging time, has improved separative efficiency.
Specifically the bottom of glass tube is provided with two cores 4, and the model that is positioned at the core 4 of bottom is P70, and the aperture that is positioned at the core of bottom is 50~70 microns, and the model of superposed core 4 is P100, and the aperture of superposed core 4 is 70~100 microns.
The internal diameter of the diameter of core 4 and glass tube 1 is complementary.Core 4 is cylindrical, and the diameter of core 4 equals the internal diameter of glass tube 1.The thickness of core 4 is 1mm~5mm, and the thickness of preferred core 4 is 3mm.Core 4 is with the junction of high-temperature soldering in glass tube inwall bottom and tapered mouth.
Use the process of chromatographic column separating sample described in the utility model as follows:
1, prepare: chromatographic column is successively with clear water flushing, oven dry, organic reagent dichloromethane rinse, strong oxidizer potassium permanganate and concentrated sulfuric acid mixed liquid dipping, distilled water flushing, oven dry, in order to the usefulness of experiment.
2, diasphaltene: take by weighing soluble organic or crude oil sample in 20mg~50mg sedimentary rock, add gradually the 30ml petroleum ether dissolution, sonic oscillation 10 minutes filters asphalitine with the funnel that is plugged with absorbent cotton, and the bottom clear liquid is the diasphaltene sample.
3, absorbent filling: choosing particle diameter is 0.177mm~0.149mm, and namely 80 orders~100 purpose chromatography brick glue to without fluorescence, activate 8h with chloroform extracting 72h in 140 ℃-150 ℃ electrothermal drying, stand-by in the port grinding bottle of packing into after the cooling in drier; Choosing particle diameter is 0.149-0.075mm, and namely 100 orders~200 purpose neutral aluminas behind the activation 4h, move in the port grinding bottle of packing into after the cooling in the drier stand-by in 400 ℃~450 ℃ box high temperature resistance furnace.In chromatographic column, load 0.8g aluminium oxide and 0.8g silica gel successively, rap pillar with rubber pipette bulb, make the adsorbent filling evenly, fill in a small amount of absorbent cotton on brick glue top, add the wetting chromatographic column of 2ml benzinum.
4, component is separated: change the diasphaltene sample over to chromatographic column after being concentrated into 3~5ml under 80 ℃ the condition not being higher than, sample bottle cleans with 3 * 100ml benzinum; With 8 * 1ml benzinum wash-out saturated hydrocarbons, lower and accept with the measuring cup of constant weight; With 6 * 1ml2: 1 carrene-benzinum mixed solvent wash-out aromatic hydrocarbon, flow to fixedly phase time when joining the 1ml mixed solvent for the first time, take off the measuring cup of accepting saturated hydrocarbons, change the measuring cup of accepting aromatic hydrocarbon; With 8 * 1ml absolute ethyl alcohol wash-out nonhydrocarbon, flow to fixedly phase time when joining the 1ml absolute ethyl alcohol for the first time, take off the measuring cup of accepting aromatic hydrocarbon, change the measuring cup of accepting nonhydrocarbon.The saturated hydrocarbons of separator well and aromatic component are not higher than under 40 ℃ of conditions solvent flashing to dry in temperature, and the resin and asphalt component then is not higher than under 60 ℃ of conditions solvent flashing to doing each constituent mass of weight weighing in temperature.
Different technical characterictic can free choice for use in the present embodiment, also can arbitrarily be combined with.
Claims (8)
1. groundization chromatographic column, it is characterized in that: comprise glass tube (1), the bell (2) that is connected with glass tube (1) top, with the tapered mouth (3) that glass tube (1) bottom is connected, the bottom of glass tube (1) is provided with at least one core (4).
2. chromatographic column according to claim 1, it is characterized in that: along the length direction of glass tube, the bottom of glass tube (1) is provided with at least two cores (4), and the distance between adjacent two cores (4) is 5mm~15mm.
3. chromatographic column according to claim 2 is characterized in that: be positioned at the aperture of core (4) of bottom less than the aperture of superposed core (4).
4. chromatographic column according to claim 3, it is characterized in that: the bottom of glass tube (1) is provided with two cores (4), and the model that is positioned at the core (4) of bottom is P70.
5. chromatographic column according to claim 3, it is characterized in that: the bottom of glass tube (1) is provided with two cores (4), and the model of superposed core (4) is P100.
6. chromatographic column according to claim 1, it is characterized in that: the internal diameter of the diameter of core (4) and glass tube (1) is complementary.
7. chromatographic column according to claim 1 is characterized in that: core (4) is for cylindrical, and the thickness of core (4) is 1mm~5mm.
8. the described chromatographic column of any one according to claim 1~7, it is characterized in that: core is welded in the inwall of glass tube (1).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN 201220361495 CN202682842U (en) | 2012-07-24 | 2012-07-24 | Chromatographic column for geochemistry |
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CN 201220361495 CN202682842U (en) | 2012-07-24 | 2012-07-24 | Chromatographic column for geochemistry |
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
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CN104624265A (en) * | 2013-11-14 | 2015-05-20 | 财团法人工业技术研究院 | Centrifugal test tube kit and centrifugal test tube kit set |
CN104655768A (en) * | 2015-03-11 | 2015-05-27 | 天津博纳艾杰尔科技有限公司 | Automatic crude oil component separating device and application of automatic crude oil component separating device in separation wax and colloid in crude oil |
CN106526139A (en) * | 2016-11-18 | 2017-03-22 | 中国石油大学(北京) | Funnel for analysis of crude oil family components and method for separating asphaltene from crude oil family |
CN106390520B (en) * | 2016-11-18 | 2019-01-25 | 中国石油大学(北京) | The separation method of Various Groups In Crude Oil analysis chromatographic column and Various Groups In Crude Oil |
-
2012
- 2012-07-24 CN CN 201220361495 patent/CN202682842U/en not_active Expired - Fee Related
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104624265A (en) * | 2013-11-14 | 2015-05-20 | 财团法人工业技术研究院 | Centrifugal test tube kit and centrifugal test tube kit set |
CN104624265B (en) * | 2013-11-14 | 2018-02-02 | 财团法人工业技术研究院 | Centrifugal test tube kit and centrifugal test tube kit set |
CN104655768A (en) * | 2015-03-11 | 2015-05-27 | 天津博纳艾杰尔科技有限公司 | Automatic crude oil component separating device and application of automatic crude oil component separating device in separation wax and colloid in crude oil |
CN104655768B (en) * | 2015-03-11 | 2016-08-17 | 天津博纳艾杰尔科技有限公司 | Oil component automatic separation equipment and the application in wax, colloid separation in crude oil thereof |
CN106526139A (en) * | 2016-11-18 | 2017-03-22 | 中国石油大学(北京) | Funnel for analysis of crude oil family components and method for separating asphaltene from crude oil family |
CN106390520B (en) * | 2016-11-18 | 2019-01-25 | 中国石油大学(北京) | The separation method of Various Groups In Crude Oil analysis chromatographic column and Various Groups In Crude Oil |
CN106526139B (en) * | 2016-11-18 | 2019-02-22 | 中国石油大学(北京) | The separation method of Various Groups In Crude Oil analysis funnel and crude oil race studies on asphaltene |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C17 | Cessation of patent right | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130123 Termination date: 20130724 |