CN107238810B - Experimental system for magnetic susceptibility determination in sample temperature rise process - Google Patents
Experimental system for magnetic susceptibility determination in sample temperature rise process Download PDFInfo
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- CN107238810B CN107238810B CN201710622439.1A CN201710622439A CN107238810B CN 107238810 B CN107238810 B CN 107238810B CN 201710622439 A CN201710622439 A CN 201710622439A CN 107238810 B CN107238810 B CN 107238810B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R33/00—Arrangements or instruments for measuring magnetic variables
- G01R33/12—Measuring magnetic properties of articles or specimens of solids or fluids
- G01R33/16—Measuring susceptibility
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Abstract
The invention discloses an experimental system for measuring the magnetic susceptibility in a sample heating process, which comprises a temperature control magnetic susceptibility sample tube, an analytical balance, two magnetic poles and a temperature control device, wherein the temperature control magnetic susceptibility sample tube is positioned between the two magnetic poles, the temperature control magnetic susceptibility sample tube comprises a tube body with a closed lower end, a tube plug for closing the tube body, a heat insulation sleeve and a heat conductor, the tube opening of the tube body is a frosted opening and is in tapered connection with the tube plug, a semicircular arc hanging ring is arranged at the top of the tube plug and is connected with the analytical balance through a thin wire, a handle is arranged in the middle of the tube plug, the heat insulation sleeve wraps the whole tube body below the tube opening and is made of a diamagnetic heat insulation material, and the heat conductor is arranged in the tube body and is connected with the temperature control device through a power wire; a circle of scale marks are carved at the position of 10cm high of the pipe body. The invention is especially suitable for measuring the magnetic susceptibility of mineral substances at different temperatures, and can measure the magnetic susceptibility of substances with different types, different particle sizes, different temperatures and different magnetic field strengths.
Description
Technical Field
The invention relates to the field of experimental equipment, in particular to an experimental system for measuring the magnetic susceptibility of a sample in a temperature rise process.
Background
In the experiment for measuring the magnetic susceptibility of a substance, as shown in fig. 1, the lower end of a susceptibility sample tube 10 containing a sample is arranged in the center of a magnetic pole, the upper end hook is connected with one end of a balance, the other end of the balance is balanced by a weight, and when the sample is magnetized, a magnetic force is generated in the vertical direction, so that the reading of the balance is changed. The magnetic susceptibility of the sample can be calculated by measuring the height of the sample tube, the intensity of the magnetic field and the reading of the balance. The magnetic susceptibility tube used at present can only measure the magnetic susceptibility of substances at normal temperature, the tube opening is sleeved with the tube plug and fixed by a rubber band, after a sample is put into the magnetic susceptibility sample tube, the height of the sample is measured by a ruler, the steps are complex in use, and the data processing in the later period of the experiment is inconvenient.
Disclosure of Invention
In order to solve the problems, the invention provides an experimental system for measuring the magnetic susceptibility of a sample in the temperature rise process, which is particularly suitable for measuring the magnetic susceptibility of mineral substances at different temperatures and can measure the magnetic susceptibility of substances with different types, different particle sizes, different temperatures and different magnetic field strengths.
In order to achieve the purpose, the invention adopts the technical scheme that:
an experimental system for measuring the magnetic susceptibility in the sample heating process comprises a temperature control magnetic susceptibility sample tube, an analytical balance, two magnetic poles and a temperature control device, wherein the temperature control magnetic susceptibility sample tube is positioned between the two magnetic poles, the temperature control magnetic susceptibility sample tube comprises a tube body with a closed lower end, a tube plug for closing the tube body, a heat insulation sleeve and a heat conductor, a tube opening of the tube body is a frosted opening and is connected with the tube plug in a conical shape, a semicircular arc hanging ring is arranged at the top of the tube plug and is connected with the analytical balance through a thin line, a handle is arranged in the middle of the tube plug and is convenient to move and sleeve the tube plug, and the heat insulation sleeve wraps the whole tube body below the tube opening, is made of a diamagnetic heat insulation material and can be made of a polyurethane material; the heat conductor is arranged in the tube body and is connected with the temperature control device through a power line, so that the magnetic susceptibility of the sample in the temperature rise process can be measured in real time, and the change rule of the magnetic susceptibility of the sample in the heating process can be conveniently researched; a circle of scale marks are carved at the position of 10cm high of the tube body, the reading accuracy is improved compared with that of one scale mark, and the sample loading height reaches the scale marks each time, so that the steps of experimental data processing are simplified, and the experimental efficiency is improved.
Preferably, the plug is 2-3cm long.
Preferably, the lower end of the pipe body is flat and the height of the pipe body is 13-15cm.
Preferably, the pipe body and the pipe plug are both made of high-temperature-resistant and diamagnetic materials and are made of quartz.
Preferably, the thermal conductor is made of ceramic.
Preferably, the temperature control range of the temperature control device is within 300 ℃.
The invention has the following beneficial effects:
the limitation that the magnetic susceptibility of the substance is measured only at normal temperature is solved, and the method has important practical significance for measuring the magnetic susceptibility of the substance at different temperatures; the magnetic susceptibility testing device is particularly suitable for measuring the magnetic susceptibility of minerals at different temperatures, and can measure the magnetic susceptibility of substances of different types, different particle sizes, different temperatures and different magnetic field strengths.
Drawings
Fig. 1 is a schematic structural diagram of an experimental system for measuring magnetic susceptibility in a sample temperature-increasing process according to an embodiment of the present invention.
FIG. 2 is a schematic structural diagram of a temperature-controlled magnetic susceptibility sample tube according to an embodiment of the present invention.
Detailed Description
In order that the objects and advantages of the invention will be more clearly understood, the invention is further described in detail below with reference to examples. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
As shown in fig. 1-2, an embodiment of the present invention provides an experimental system for measuring magnetic susceptibility in a sample temperature-raising process, which includes a temperature-controlled magnetic susceptibility sample tube, an analytical balance 8, two magnetic poles 9, and a temperature control device 10, where the temperature-controlled magnetic susceptibility sample tube is located between the two magnetic poles 9, the temperature-controlled magnetic susceptibility sample tube includes a tube body 2 with a closed lower end, a tube plug 3 for closing the tube body, an insulating sleeve 1, and a heat conductor 7, a tube opening of the tube body 2 is a frosted opening and is connected to the tube plug 3, a semicircular arc hanging ring 5 is arranged on a top of the tube plug 3, the semicircular arc hanging ring 5 is connected to the analytical balance 8 through a thin wire 11, a handle 4 is arranged in a middle portion of the tube plug 3 to facilitate movement and sleeve joint of the tube plug, the insulating sleeve 1 wraps the entire tube body below the tube opening, is made of a diamagnetic insulating material, and can be made of polyurethane material; the heat conductor 7 is arranged in the tube body 2 and is connected with the temperature control device 10 through a power line, so that the magnetic susceptibility of the sample in the temperature rise process can be measured in real time, and the change rule of the magnetic susceptibility of the sample in the heating process can be conveniently researched; 2 high 10cm departments of body are carved with the round scale mark, and a scale mark has improved the reading accuracy, and the appearance highly reachs the scale mark of dress every turn to simplified the step of experimental data processing, improved experimental efficiency, the length of stopcock 3 is 2-3cm, 2 lower extremes of body are flat, highly are 13-15cm, body 2 is high temperature resistant diamagnetic material with stopcock 3, is made by quartz, heat conductor 7 is ceramic manufacturing, temperature control device 10's temperature control scope is within 300 degrees centigrade.
Wherein, fine rule one end is connected with analytical balance, and the copper is colluded for a short time also can tie up to the other end, then is connected the rings and the copper of stopcock are colluded for a short time.
When the temperature-controlled magnetic susceptibility sample tube is used, after a sample is filled in the temperature-controlled magnetic susceptibility sample tube, the temperature-controlled magnetic susceptibility sample tube is gently shaken up until a circle of scale mark is engraved at the position where the height of the filled sample reaches 10cm of the tube body, so that the sample height is consistent each time, the height is not required to be substituted when the magnetic susceptibility of the sample is calculated, and the calculation formula is simplified; after a sample is loaded, sleeving the tube cover into the temperature-controlled magnetic susceptibility sample tube, and slightly screwing the tube plug clockwise to ensure that the tube opening is firmly connected with the tube plug; then the heat conductor is connected to a temperature control device, a heat insulation sleeve is sleeved on the heat insulation sleeve and is arranged in the center of the two magnetic poles, a semi-arc hanging ring at the upper end of the heat insulation sleeve is connected with an electronic balance through a thin wire, the intensity of the magnetic field is changed by adjusting the magnitude of the current, and the magnetic susceptibility of the sample is measured according to the height of the sample, the magnitude of the magnetic field and the reading of the balance.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and amendments can be made without departing from the principle of the present invention, and these modifications and amendments should also be considered as the protection scope of the present invention.
Claims (1)
1. The experimental system for measuring the magnetic susceptibility of the sample in the temperature rise process is characterized by comprising a temperature-control magnetic susceptibility sample tube, an analytical balance (8), two magnetic poles (9) and a temperature control device (10), wherein the temperature-control magnetic susceptibility sample tube is positioned between the two magnetic poles (9), the temperature-control magnetic susceptibility sample tube comprises a tube body (2) with the lower end closed, a tube plug (3) for closing the tube body, a heat insulation sleeve (1) and a heat conductor (7), a tube opening of the tube body (2) is a frosted opening and is connected with the tube plug (3) in a tapered mode, a semicircular arc lifting ring (5) is arranged at the top of the tube plug (3), the semicircular arc lifting ring (5) is connected with the analytical balance (8) through a thin wire (11), a handle (4) is arranged in the middle of the tube plug (3), and the heat insulation sleeve (1) wraps the whole tube body below the tube opening and is made of a diamagnetic heat insulation material; the heat conductor (7) is arranged in the tube body (2) and is connected with the temperature control device (10) through a power line, and a circle of scale marks are carved at the position of 10cm high of the tube body (2); the length of the pipe plug (3) is 2-3cm; the lower end of the pipe body (2) is flat and the height is 13-15cm; the tube body (2) and the tube plug (3) are both made of high-temperature-resistant diamagnetic materials and are made of quartz; the heat conductor (7) is made of ceramic; the temperature control range of the temperature control device (10) is within 300 ℃.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710622439.1A CN107238810B (en) | 2017-07-24 | 2017-07-24 | Experimental system for magnetic susceptibility determination in sample temperature rise process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710622439.1A CN107238810B (en) | 2017-07-24 | 2017-07-24 | Experimental system for magnetic susceptibility determination in sample temperature rise process |
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| Publication Number | Publication Date |
|---|---|
| CN107238810A CN107238810A (en) | 2017-10-10 |
| CN107238810B true CN107238810B (en) | 2023-02-24 |
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| CN201710622439.1A Active CN107238810B (en) | 2017-07-24 | 2017-07-24 | Experimental system for magnetic susceptibility determination in sample temperature rise process |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101118394A (en) * | 2006-08-01 | 2008-02-06 | 夏普株式会社 | Aggregate dispersant, method of manufacturing aggregate of resin-containing particles, toner, developer, developing apparatus, and image forming apparatus |
| JP2011085547A (en) * | 2009-10-19 | 2011-04-28 | Jeol Ltd | Sample heating method for magnetic resonance apparatus |
| CN201819984U (en) * | 2010-09-08 | 2011-05-04 | 黄山学院 | Magnetisability determination tube |
| JP2013242249A (en) * | 2012-05-22 | 2013-12-05 | Toho Titanium Co Ltd | Magnetic susceptibility measurement specimen container and magnetic susceptibility measurement method |
-
2017
- 2017-07-24 CN CN201710622439.1A patent/CN107238810B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101118394A (en) * | 2006-08-01 | 2008-02-06 | 夏普株式会社 | Aggregate dispersant, method of manufacturing aggregate of resin-containing particles, toner, developer, developing apparatus, and image forming apparatus |
| JP2011085547A (en) * | 2009-10-19 | 2011-04-28 | Jeol Ltd | Sample heating method for magnetic resonance apparatus |
| CN201819984U (en) * | 2010-09-08 | 2011-05-04 | 黄山学院 | Magnetisability determination tube |
| JP2013242249A (en) * | 2012-05-22 | 2013-12-05 | Toho Titanium Co Ltd | Magnetic susceptibility measurement specimen container and magnetic susceptibility measurement method |
Non-Patent Citations (1)
| Title |
|---|
| 磁天平测定微量磁性微球;冼远芳等;《中国组织工程研究与临床康复》;20100917(第38期);全文 * |
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| CN107238810A (en) | 2017-10-10 |
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