CN109187587A - A kind of microwave spectrometer measuring solution concentration - Google Patents
A kind of microwave spectrometer measuring solution concentration Download PDFInfo
- Publication number
- CN109187587A CN109187587A CN201810744214.8A CN201810744214A CN109187587A CN 109187587 A CN109187587 A CN 109187587A CN 201810744214 A CN201810744214 A CN 201810744214A CN 109187587 A CN109187587 A CN 109187587A
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- Prior art keywords
- solution
- polarization
- tube
- receiver
- concentration
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- 230000010287 polarization Effects 0.000 claims abstract description 26
- 238000012360 testing method Methods 0.000 claims abstract description 19
- 230000003287 optical effect Effects 0.000 claims abstract description 15
- 239000007788 liquid Substances 0.000 claims abstract description 9
- 239000002184 metal Substances 0.000 claims description 11
- 238000000429 assembly Methods 0.000 claims description 6
- 230000000712 assembly Effects 0.000 claims description 6
- 238000013461 design Methods 0.000 claims description 6
- 238000002474 experimental method Methods 0.000 claims description 5
- 239000011521 glass Substances 0.000 claims description 3
- 230000002459 sustained effect Effects 0.000 claims description 2
- 238000003780 insertion Methods 0.000 claims 1
- 230000037431 insertion Effects 0.000 claims 1
- 230000009466 transformation Effects 0.000 abstract 1
- 238000005259 measurement Methods 0.000 description 4
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 1
- 238000012549 training Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N22/00—Investigating or analysing materials by the use of microwaves or radio waves, i.e. electromagnetic waves with a wavelength of one millimetre or more
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B23/00—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes
- G09B23/06—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for physics
- G09B23/08—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for physics for statics or dynamics
- G09B23/12—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for physics for statics or dynamics of liquids or gases
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B23/00—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes
- G09B23/06—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for physics
- G09B23/22—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for physics for optics
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Mathematical Analysis (AREA)
- Mathematical Optimization (AREA)
- Mathematical Physics (AREA)
- Pure & Applied Mathematics (AREA)
- Business, Economics & Management (AREA)
- Computational Mathematics (AREA)
- Educational Administration (AREA)
- Educational Technology (AREA)
- Algebra (AREA)
- Health & Medical Sciences (AREA)
- Electromagnetism (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Optics & Photonics (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
Abstract
The invention discloses a kind of microwave spectrometers for measuring solution concentration, it is characterized in that traditional microwave spectrometer is improved, to measure the concentration of liquid, it will be mounted on the central platform of microwave spectrometer equipped with the polarization tube of testing liquid, utilize the optical activity of solution and the polarization characteristic of microwave, the angle of rotation of testing liquid in test tube is measured, and then calculates the concentration of liquid.Phenomena such as traditional microwave spectroscope is tested suitable for optical authentication, is generally used to the verifying reflection of light, refraction, polarization, the present invention can measure the concentration of unknown concentration solution using the polarization of microwave and the optical activity of solution by transformation microwave spectrometer.The present invention measures solution concentration using microwave spectrometer, has expanded the function of microwave spectrometer.
Description
Technical field
The present invention relates to a kind of physics experiment teaching instrument fields, in particular to utilize the dense of microwave spectrometer measurement liquid
Degree.
Background technique
In physics experiment teaching, micro-wave optical testing instrument is frequently utilized that complete the reflection of microwave, refraction, diffraction, do
Relate to, polarize, standing wave phenomena such as observation and microwave wavelength the experimental projects such as measurement.But current laboratory apparatus is opened
If experimental project it is outmoded, and be all some confirmatory experimental projects, lack practical experiment project, be unfavorable for training student
Innovation ability.With Optical Rotation measure solution concentration when, it is traditional there are two ways to: first is that being measured using polarimeter, two
It is to provide easy device measurement for oneself.Polarimeter is easy to operate, but at high cost;It is at low cost to provide easy device for oneself, but instrument and operation are multiple
It is miscellaneous.
Summary of the invention
To overcome above-mentioned the deficiencies in the prior art, the present invention improves former micro-wave optical testing instrument, improved
Laboratory apparatus can measure the concentration of liquid, increase practical experiment project.
The technical solution adopted by the present invention to solve the technical problems is: in former micro-wave optical testing instrument emitter assemblies and
The center position of central platform between receiver assembly designs the metal cylinder body support frame that a diameter is 1cm, round metal
The upper end of post support is a test tube sleeve, and test tube sleeve is that an internal diameter is 5cm, and outer diameter is the metal ring of 5.2cm, annulus
With a thickness of 2cm, the centre-height of annulus is consistent with the height of micro-wave optical testing instrument emitter assemblies and receiver assembly center,
It is 0.5cm in the screw thread hole that one diameter of tip designs of annulus is 1mm, and with a length, the screw that diameter is 1mm is inserted into
In screw thread hole.A polarization tube is designed, the overall diameter of polarization tube is 4.9 cm, and interior diameter is 4.8 cm, length 20cm.Many institutes
Known: the both ends lid of polarization tube is made of K9 glass, has good optical property, while two lids can be removed again,
It can be to liquid be added in polarization tube.Utilize a kind of specific steps of microwave spectrometer measurement strength of fluid for measuring solution concentration
Are as follows: (1) transmitter and receiver are placed on the central platform with goniometer, wherein transmitter is placed on fixed arm,
Receiver is placed on moveable arm;The horn mouth of transmitter and receiver is opposite, and broadside is parallel to the ground;(2) transmitter is adjusted
The distance between receiver.(horn mouth is at a distance of 40cm or so).Adjust the gear on the attenuator and ammeter on transmitter
Switch, makes the instruction of the ammeter on receiver in 2/3 range or so;(3) solution to be measured is filled into polarization tube, polarization tube installation
In the test tube sleeve of pedestal upper end, the both ends capping of polarization tube is opposite with the horn mouth of transmitter, receiver respectively, keeps transmitting
Device, polarization tube and receiver are in sustained height.At this moment the registration that ammeter can be observed reduces;(4) it unclamps above receiver
Manual bolts slowly rotate receiver, and the registration of ammeter is made to reach maximum again, write down the angle [alpha] that receiver rotates through;
Utilize formula, in formula: [α] -- specific rotatory power of solution under conditions of temperature is certain, wavelength of light is certain;α--
The angle of rotation (°) of solution,C-- the concentration (g/100mL) of solution;l-- optically-active length of tube (dm);It is consulted using handbook in this condition
Under solution to be measured specific rotatory power [α], the angle that receiver rotates throughαThe as angle of rotation of solution,lAs optically-active length of tube.
Will [α]、αWithlAbove formula is substituted into, solution S to be measured can be obtained0ConcentrationC;
Detailed description of the invention
Present invention will be further explained below with reference to the attached drawings and examples.
Fig. 1 is structural principle and embodiment schematic diagram of the invention.
In figure: 1, metal cylinder body support frame, 2, test tube sleeve, 3, screw, 4, polarization tube, 5, polarization tube lid.
Specific embodiment
The center position of central platform between former micro-wave optical testing instrument emitter assemblies and receiver assembly is set
The metal cylinder body support frame (1) that a diameter is 1cm is counted, the upper end of metal cylinder body support frame (1) is test tube sleeve (2), test tube sleeve
It (2) is an internal diameter for 5cm, outer diameter is the metal ring of 5.2cm, and the length of annulus is 2cm, the centre-height and microwave of annulus
Optical tester emitter assemblies are consistent with the height at receiver assembly center, are 1mm in one diameter of tip designs of annulus
Screw thread hole, and be 0.5cm with a length, the screw (3) that diameter is 1mm is inserted into screw thread hole.Design a polarization tube
(4), the overall diameter of polarization tube (4) is 4.9 cm, and interior diameter is 4.8 cm, length 20cm.It is known that: polarization tube (4)
Both ends lid is made of K9 glass, has good optical property, while two lids (5) can remove again, can be to optically-active
It manages (2) and replaces liquid.
Claims (1)
1. a kind of microwave spectrometer for measuring solution concentration, it is characterized in that: in former micro-wave optical testing instrument emitter assemblies and connecing
It is 1cm metal cylinder body support frame (1), metal cylinder that the center position for receiving the central platform between device assembly, which designs a diameter,
The upper end of body support frame (1) is test tube sleeve (2), and test tube sleeve (2) is that an internal diameter is 5cm, and outer diameter is the metal ring of 5.2cm, circle
The length of ring is 2cm, the centre-height of annulus and the height of micro-wave optical testing instrument emitter assemblies and receiver assembly center
It unanimously, in the screw thread hole that one diameter of the tip designs of annulus is 1mm, and is 0.5cm with a length, diameter is the spiral shell of 1mm
It follows closely in (3) insertion screw thread hole;A polarization tube (4) is designed, the overall diameter of polarization tube (4) is 4.9 cm, and interior diameter is 4.8 cm,
Length is 20cm, and the both ends lid of polarization tube (4) is made of K9 glass, has good optical property, while two lids
(5) it can remove again, liquid can be replaced to polarization tube (4), when experiment, solution to be measured be filled polarization tube (4), polarization tube (4)
Be mounted in the test tube sleeve (2) of metal cylinder body support frame (1) upper end, the both ends lid (5) of polarization tube (4) respectively with transmitter,
The horn mouth of receiver is opposite, keeps transmitter, polarization tube (4) and receiver in sustained height;At this moment ammeter can be observed
Registration reduce, unclamp receiver above manual bolts, slowly rotate receiver, the registration of ammeter made to reach very big again
Value, writes down the angle [alpha] that receiver rotates through, utilizes formula, in formula: [α] -- solution is temperature is certain, wave of light
Specific rotatory power under conditions of length is certain;α-- the angle of rotation (°) of solution,C-- the concentration (g/100mL) of solution;l-- polarization tube
Length (dm), using handbook consult with this condition solution to be measured specific rotatory power [α], the angle that receiver rotates throughαAs
The angle of rotation of solution,lAs optically-active length of tube, will [α]、αWithlAbove formula is substituted into, solution S to be measured can be obtained0ConcentrationC。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201810744214.8A CN109187587A (en) | 2018-07-09 | 2018-07-09 | A kind of microwave spectrometer measuring solution concentration |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201810744214.8A CN109187587A (en) | 2018-07-09 | 2018-07-09 | A kind of microwave spectrometer measuring solution concentration |
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CN109187587A true CN109187587A (en) | 2019-01-11 |
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CN201810744214.8A Pending CN109187587A (en) | 2018-07-09 | 2018-07-09 | A kind of microwave spectrometer measuring solution concentration |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110208291A (en) * | 2019-05-21 | 2019-09-06 | 中国人民解放军陆军装甲兵学院 | Purity liquid detection method and purity liquid detector |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103424363A (en) * | 2013-07-31 | 2013-12-04 | 黑龙江大学 | Non-rotary optical rotation solution gauge and method for measuring specific rotation of optical rotation solution through gauge |
CN103712952A (en) * | 2013-12-30 | 2014-04-09 | 四川大学 | Liquid concentration measuring device based on michelson interferometer |
CN104048921A (en) * | 2014-06-09 | 2014-09-17 | 黄河科技学院 | Experimental apparatus for testing specific rotation of optical rotation solution |
-
2018
- 2018-07-09 CN CN201810744214.8A patent/CN109187587A/en active Pending
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103424363A (en) * | 2013-07-31 | 2013-12-04 | 黑龙江大学 | Non-rotary optical rotation solution gauge and method for measuring specific rotation of optical rotation solution through gauge |
CN103712952A (en) * | 2013-12-30 | 2014-04-09 | 四川大学 | Liquid concentration measuring device based on michelson interferometer |
CN104048921A (en) * | 2014-06-09 | 2014-09-17 | 黄河科技学院 | Experimental apparatus for testing specific rotation of optical rotation solution |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110208291A (en) * | 2019-05-21 | 2019-09-06 | 中国人民解放军陆军装甲兵学院 | Purity liquid detection method and purity liquid detector |
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Application publication date: 20190111 |
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