CN2748146Y - Digestion/extraction apparatus - Google Patents
Digestion/extraction apparatus Download PDFInfo
- Publication number
- CN2748146Y CN2748146Y CN 200420114392 CN200420114392U CN2748146Y CN 2748146 Y CN2748146 Y CN 2748146Y CN 200420114392 CN200420114392 CN 200420114392 CN 200420114392 U CN200420114392 U CN 200420114392U CN 2748146 Y CN2748146 Y CN 2748146Y
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- casing
- sample
- microwave
- microcontroller
- metal
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- 238000000605 extraction Methods 0.000 title claims abstract description 13
- 230000029087 digestion Effects 0.000 title abstract 3
- 230000010355 oscillation Effects 0.000 claims abstract description 21
- 239000002184 metal Substances 0.000 claims description 31
- 239000013078 crystal Substances 0.000 claims description 21
- 238000009413 insulation Methods 0.000 claims description 12
- 239000011229 interlayer Substances 0.000 claims description 10
- 238000010992 reflux Methods 0.000 claims description 10
- 238000009529 body temperature measurement Methods 0.000 claims description 9
- 239000011324 bead Substances 0.000 claims description 4
- 239000002826 coolant Substances 0.000 claims description 4
- 239000000498 cooling water Substances 0.000 claims description 4
- 238000013016 damping Methods 0.000 claims description 4
- 238000012856 packing Methods 0.000 claims description 4
- 229920000297 Rayon Polymers 0.000 claims description 3
- 239000003292 glue Substances 0.000 claims description 3
- 150000001875 compounds Chemical class 0.000 abstract description 7
- 230000005855 radiation Effects 0.000 abstract description 7
- 238000002203 pretreatment Methods 0.000 abstract description 5
- 230000005672 electromagnetic field Effects 0.000 abstract description 4
- 239000000126 substance Substances 0.000 abstract description 4
- 238000011282 treatment Methods 0.000 abstract description 2
- 230000002195 synergetic effect Effects 0.000 abstract 2
- 230000000149 penetrating effect Effects 0.000 abstract 1
- 238000005516 engineering process Methods 0.000 description 6
- 238000003786 synthesis reaction Methods 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 3
- 239000000284 extract Substances 0.000 description 3
- 238000002207 thermal evaporation Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 241000411851 herbal medicine Species 0.000 description 1
- 230000010358 mechanical oscillation Effects 0.000 description 1
- 238000000120 microwave digestion Methods 0.000 description 1
- 230000007903 penetration ability Effects 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000036632 reaction speed Effects 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 238000002137 ultrasound extraction Methods 0.000 description 1
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Abstract
The utility model discloses a digestion/extraction apparatus, in particular to a chemical pre-treatment apparatus for digesting and extracting the target compound in the sample by using synergistic effect of the hyperacoustic and the microwave; the digestion/extraction apparatus comprises a container, a magnetron, a waveguide, a sample bottle, a microwave source, a reversed flow type condenser, an electronic control system, an ultrasonic transducer, an ultrasonic oscillations circuit and a fixing seat; during use, a sealed microwave radiation electromagnetic field is formed in the microwave radiation cavity by the microwave generated by the magnetron through a waveguide; the sealed microwave radiation electromagnetic field is acted on the sample arranged in the sample bottle, and the high frequency vibration generated by the ultrasonic transducer is also acted on the sample penetrating the sample bottle; under the synergistic effect of the microwave and the ultrasonic, the target compound in the sample can be quickly and efficiently digested or extracted. The utility model has advantage that under the low-temperature normal atmosphere condition, fore treatment or chemosynthesis is done to the larger capacitance sample, and the working efficiency is high.
Description
Technical field:
The present invention relates to a kind of extraction equipment of clearing up, especially utilize ultrasonic and microwave cooperating target compound in the sample to be cleared up the chemical pretreating device of extraction.
Background technology:
In the modern chemistry research field, sample pre-treatments and chemical synthesis process are the keys of decision analysis speed, analysis quality and chemical reaction velocity.Therefore, seek a kind of fast, efficiently, sample pretreatment cheaply and chemical synthesis new method, new technology and new instrument, be one of research field of widely paying close attention to of people always.In many sample pre-treatments and chemical synthesis process, comparatively rapid and extensive with the development and the application of ultrasonic wave and microwave technology.
Ultrasonic technology converts electric energy to high-frequency mechanical vibration by ultrasonic transducer, produce cavitation, blast action and reduce the active force between non-reacted target compound and the sample matrices or quicken reaction speed between the compound, thereby improve Specimen eliminating or extraction efficiency and reaction yield.At present, the widely used ultrasonic extraction instrument in laboratory generally is made of supersonic oscillations circuit, ultrasonic transducer, the container that medium (normally water) is housed and sample bottle.The signal that the supersonic oscillations circuit produces converts ultrasonic vibration to by ultrasonic transducer can and act on sample in the sample bottle by the medium transmission.This is a kind of indirect mode of action, and its deficiency is: mechanical oscillation power is lower on the unit are, is the raising extraction efficiency, the ultrasonic power that necessary use is bigger (〉=300W), but bigger ultrasonic power can cause the noise that makes us doing not feel like oneself again.
Microwave technology is to utilize in the sample object molecule under the effect of microwave electromagnetic field, transfer to from original warm-up movement state and to follow the microwave alternating electromagnetic field and quick oriented, microwave energy is converted into energy in the sample, thereby quicken the stripping of object, perhaps improve chemical reaction velocity and productive rate.The material stronger for polarity, it is a kind of than the more efficiently mode of ultrasonic wave.Adopt the device of microwave technology to generally include closed and open two kinds.Existing micro-wave digestion abstraction instrument generally is made of magnetron, waveguide, microwave radial chamber and sample bottle that sample is housed, and magnetron to microwave radial chamber launched microwave, and acts on sample by waveguide.These devices have the following disadvantages when being used for sample pre-treatments: 1) when sample when the closed device is handled, its high temperature and high pressure environment not only strength of materials and the sealing requirements to sample bottle is very high, and sample bottle is in easily aging, explosion under the high temperature and high pressure environment, make analysis cost increase poor stability.For the sample bottle volume of such device of safety has only 20-50mL usually, thus be difficult to handle the sample that can produce a large amount of gases in the less or processing procedure of proportion, as plastics and Chinese herbal medicine etc.In addition, under high temperature and high pressure environment, also can cause the change or the destruction of some organic component structure in the sample; 2) when sample is handled in open devices (low-temperature atmosphere-pressure), although can overcome the deficiency that the high-pressure sealed ripple that declines extracts to a certain extent, quantity of sample handling also increases greatly, but be subjected to the restriction of microwave penetration ability, the radiation that sample is subjected to is inhomogeneous, the processing time increases, efficient reduces; 3) after sample treatment finishes, inclining to needs the long cooling step-down time before the extract, and this has offset the advantage that its extraction rate is fast, efficient is high to a great extent indirectly.
Summary of the invention:
The purpose of this utility model provides a kind of ultrasonic-microwave and clears up extraction equipment, and it can be under the low-temperature atmosphere-pressure environment, the mode of utilizing supersonic oscillations to combine with the microwave radiation, rapidly and efficiently target compound in the sample is done to clear up extraction.
For achieving the above object, this device comprises: casing, magnetron, waveguide, sample bottle, microwave power supply, reflux condenser, the condenser sleeve pipe, electronic control system, electronic control system is by microcontroller, A/D converter, control parameter input keyboard, control parameter display, infrared temperature measurement device constitutes, casing is the hexahedron of being made by metallic plate, being equipped with in the front of casing can be by the door of handle switch, form a microwave radial chamber by metal partion (metp) in the casing, sample bottle places the microwave radial chamber, magnetron, waveguide, microwave power supply and the microcontroller that combines in the system line plate, A/D converter is installed in respectively in the interlayer of casing, control parameter input keyboard, control parameter display is fixed on the front plate of casing, infrared temperature measurement device is fixed on the metal partion (metp) that forms the microwave radial chamber, one end of reflux condenser inserts the sample bottle bottleneck by the sleeve pipe that is fixed on the casing top by nut, and be fixed in the casing top by centring ring, have cooling water inlet and coolant outlet on the pipeline outside reflux condenser places casing, the air damping bead is housed in pipeline, the anode current signal of infrared temperature measurement device and magnetron is connected microcontroller by A/D converter, control parameter input keyboard connects microcontroller, microcontroller connects control parameter display respectively, microwave power supply, microwave power supply connects magnetron, it is characterized in that: also comprise ultrasonic transducer, the supersonic oscillations circuit, holder and nut, ultrasonic transducer is by the trapezoidal cylinder of metal, electrode slice, last piezo-electric crystal, the lower piezoelectric crystal, insulation sleeve, the metal contact pilotage, metal contact pilotage insulation sleeve, cover plate and bolt constitute, electrode slice is installed in, between the lower piezoelectric crystal, the trapezoidal cylinder of metal is installed on the piezo-electric crystal, the trapezoidal cylinder of metal, electrode slice, last piezo-electric crystal, the lower piezoelectric crystal passes through cover plate, bolt and packing ring fuse and are installed on the holder, on passing, on the body of bolt of lower piezoelectric crystal insulation sleeve is housed, on the outer face of cover plate, have groove, in the holder bottom spring and locking ball are housed, locking ball can embed the groove in the cover plate under the effect of spring force, the centre of metal contact pilotage is connected the holder bottom by metal contact pilotage insulation sleeve, one end contacts with electrode slice, the other end connects an output of supersonic oscillations circuit, another output of supersonic oscillations circuit is connected and fixed seat, holder is fixed in the following interlayer of casing by nut, the supersonic oscillations circuit is installed in the interlayer of casing, microcontroller connects the supersonic oscillations circuit, and sample bottle is fixed on the trapezoidal cylinder of metal of ultrasonic transducer by viscose glue.
Situation of change in the in-service monitoring sample bottle in use is equipped with camera, monitor respectively on casing, camera connects monitor, and microcontroller connects camera and monitor respectively.
The present invention has realized under the low-temperature atmosphere-pressure condition because microwave radiation and two kinds of energy modes of ultra sonic machinery vibration are combined, can finish the pre-treatment or the chemical synthesis process of larger capacity sample (being not less than 200mL).Do not pass through intermediate medium because ultrasonic vibratory energy acts on the transmission of sample again, but directly act on sample, so operating efficiency can improve greatly.
Description of drawings:
Fig. 1, be structure cut-away view of the present invention;
Fig. 2, be schematic top plan view of the present invention
Fig. 3, be electronic control system block diagram among the present invention.
The specific embodiment:
By shown in Figure 1, casing 30 is hexahedrons of being made by metallic plate, forms a microwave radial chamber 3 by metal partion (metp) in the casing 30.Commonly used the getting final product of supersonic oscillations circuit 5 no specific (special) requirements choosings, microcontroller is selected MCS-51 for use, and A/D converter is selected ADS1112 for use.Microcontroller and A/D converter combine in the system line plate, and magnetron 1, waveguide 2, microwave power supply 4 are installed in respectively in the interlayer of casing 30.Control parameter input keyboard 29, control parameter display 31, monitor 32 are fixed on the front plate of casing 30.Infrared temperature measurement device 25, camera 26 are fixed on the metal partion (metp) that forms microwave radial chamber 3.One end of reflux condenser 35 inserts sample bottle 24 bottlenecks by the sleeve pipe 33 that is fixed on casing 30 tops by nut 27, and be fixed in casing 30 tops by centring ring 28,34, have cooling water inlet 36 and coolant outlet 38 on the pipeline outside reflux condenser 35 places casing 30, air damping bead 37 is housed in pipeline, is subjected to the substance escaping of thermal evaporation with prevention.Ultrasonic transducer is made of the trapezoidal cylinder 20 of metal, electrode slice 7, last piezo-electric crystal 19, lower piezoelectric crystal 11, insulation sleeve 14, cover plate 15, metal contact pilotage 17, metal contact pilotage insulation sleeve 18 and bolt 12.Electrode slice 7 is installed between the upper and lower piezo- electric crystal 19,11, and the trapezoidal cylinder 20 of metal is installed on the piezo-electric crystal 19.The trapezoidal cylinder 20 of metal, electrode slice 7, last piezo-electric crystal 19, lower piezoelectric crystal 11 fuse by cover plate 15, bolt 12 and packing ring 13 and are installed on the holder 21.Insulation sleeve 14 is housed passing on bolt 12 bodies of upper and lower piezo-electric crystal 19,11.Have groove 16 on the outer face of cover plate 15, holder 21 is equipped with spring 9 and locking ball 10 for its bottom of metallic object, and locking ball 10 can embed the groove 16 in the cover plate 15 under the effect of spring force.The centre of metal contact pilotage 17 is connected holder 21 bottoms by metal contact pilotage insulation sleeve 18, and an end contacts with electrode slice 7, and the other end connects supersonic oscillations circuit 5 outputs, and another output of supersonic oscillations circuit 5 is connected and fixed seat 21.Holder 21 is fixed in the following interlayer of casing 30 by nut 6, supersonic oscillations circuit 5 is installed in the interlayer of casing 30, microcontroller connects supersonic oscillations circuit 5, and sample bottle 24 is fixed on the trapezoidal cylinder 20 of metal of ultrasonic transducer by viscose glue 22.In the use, the sample 23 of in sample bottle 24, packing into, cooling water inlet 36 and coolant outlet 38 are connected water pipe respectively, then by starting power supply after the required parameter of control parameter input keyboard 29 inputs, the microwave that magnetron 1 produces enters microwave radial chamber 3 by waveguide 2, form the microwave radiation field of sealing in microwave radial chamber 3, act on the sample 23 in the sample bottle 24, the dither of ultrasonic transducer generation simultaneously also sees through sample bottle 24 and acts on the sample 23.Under microwave and hyperacoustic synergy, can fast and efficiently target compound in the sample be cleared up or extract.When the sample in the sample bottle 24 23 when being subjected to thermal evaporation, then enter reflux condenser 35, flow back to sample bottle 24 after being cooled again, the air damping bead 37 in the reflux condenser 35 is used for stoping sample 23 to be subjected to the substance escaping of thermal evaporation.In running, reactiveness in the sample bottle 24 is by camera 26 picked-ups, and be shown on the display monitor central monitoring system 32 for operator's observation, infrared temperature measurement device 25 is imported microcontroller with the operating temperature in the measured sample bottle 24 by A/D converter, according to the parameter of operator, control microwave and hyperacoustic power output by microcontroller by 29 inputs of control parameter input keyboard.The running parameter of control parameter display 31 demonstration microwaves and hyperacoustic power output, working time, sample temperature.
By shown in Figure 2, be equipped with in the front of casing 30 can be by the door 40 of hinge 39 switches.System line plate 41 is installed in the interlayer of casing.
By shown in Figure 3, the signal 25 of infrared temperature measurement device and the anode current signal of magnetron 1 are imported microcontroller by A/D converter, control parameter input keyboard 29 connects microcontroller, microcontroller connects control parameter display 31, microwave power supply 4, supersonic oscillations circuit 5 respectively, microwave power supply 4 connects magnetron 1, and supersonic oscillations circuit 5 connects the metal contact pilotage and the holder of ultrasonic transducer.
Claims (2)
1, a kind of extraction equipment of clearing up, it comprises: casing (30), magnetron (1), waveguide (2), sample bottle (24), microwave power supply (4), reflux condenser (35), condenser sleeve pipe (33), electronic control system, electronic control system is by microcontroller, A/D converter, control parameter input keyboard (29), control parameter display (31), infrared temperature measurement device (25) constitutes, casing (30) is the hexahedron of being made by metallic plate, the door (40) that can pass through hinge (39) switch is housed in the front of casing (30), form a microwave radial chamber (3) by metal partion (metp) in the casing (30), sample bottle (24) places microwave radial chamber (3), magnetron (1), waveguide (2), microwave power supply (4) and combine in microcontroller in the system line plate (41), A/D converter is installed in respectively in the interlayer of casing (30), control parameter input keyboard (29), control parameter display (31) is fixed on the front plate of casing (30), infrared temperature measurement device (25) is fixed on the metal partion (metp) that forms microwave radial chamber (3), one end of reflux condenser (35) inserts sample bottle (24) bottleneck by the sleeve pipe (33) that is fixed on casing (30) top by nut (27), and be fixed in casing (30) top by centring ring (28) (34), have cooling water inlet (36) and coolant outlet (38) on the pipeline outside reflux condenser (35) places casing (30), air damping bead (37) is housed in pipeline, infrared temperature measurement device (25) is connected microcontroller with the anode of magnetron (1) by A/D converter, control parameter input keyboard (29) connects microcontroller, microcontroller connects control parameter display (31) respectively, microwave power supply (4), microwave power supply (4) connects magnetron (1), it is characterized in that: also comprise ultrasonic transducer, supersonic oscillations circuit (5), holder (21) and nut (6), ultrasonic transducer is by the trapezoidal cylinder of metal (20), electrode slice (7), last piezo-electric crystal (19), lower piezoelectric crystal (11), insulation sleeve (14), metal contact pilotage (17), metal contact pilotage insulation sleeve (18), cover plate (15) and bolt (12) constitute, electrode slice (7) is installed in, between the lower piezoelectric crystal (19) (11), the trapezoidal cylinder of metal (20) is installed on the piezo-electric crystal (19), the trapezoidal cylinder of metal (20), electrode slice (7), last piezo-electric crystal (19), lower piezoelectric crystal (11) is by cover plate (15), bolt (12) and packing ring (13) fuse and are installed on the holder (21), on passing, on bolt (12) body of lower piezoelectric crystal (19) (11) insulation sleeve (14) is housed, on the outer face of cover plate (15), have groove (16), in holder (21) bottom spring (9) and locking ball (10) are housed, the centre of metal contact pilotage (17) is connected holder (21) bottom by metal contact pilotage insulation sleeve (18), one end contacts with electrode slice (7), the other end connects an output of supersonic oscillations circuit (5), another output of supersonic oscillations circuit (5) is connected and fixed seat (21), holder (21) is fixed in the following interlayer of casing (30) by nut (6), supersonic oscillations circuit (5) is installed in the interlayer of casing (30), microcontroller connects supersonic oscillations circuit (5), and sample bottle (24) is fixed on the trapezoidal cylinder of metal (20) of ultrasonic transducer by viscose glue (22).
2, according to the described a kind of extraction equipment of clearing up of claim 1, it is characterized in that: camera (26), monitor (32) are housed respectively on the casing (30), camera (26) connects monitor (32), and microcontroller connects camera (26) and monitor (32) respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420114392 CN2748146Y (en) | 2004-12-17 | 2004-12-17 | Digestion/extraction apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420114392 CN2748146Y (en) | 2004-12-17 | 2004-12-17 | Digestion/extraction apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2748146Y true CN2748146Y (en) | 2005-12-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420114392 Expired - Lifetime CN2748146Y (en) | 2004-12-17 | 2004-12-17 | Digestion/extraction apparatus |
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| CN (1) | CN2748146Y (en) |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102580348A (en) * | 2012-02-24 | 2012-07-18 | 安徽科技学院 | Active constituent extractor for natural substance |
| CN101816842B (en) * | 2010-01-20 | 2012-12-12 | 复旦大学 | Far infrared radiation auxiliary extracting system |
| CN104014159A (en) * | 2014-06-20 | 2014-09-03 | 王茜南 | Ultrasonic wave and microwave extraction system and extraction process for traditional Chinese medicines |
| CN104083897A (en) * | 2014-06-20 | 2014-10-08 | 林学芹 | Ultrasonic wave and microwave extraction system for traditional Chinese medicinal materials |
| CN104602778A (en) * | 2012-06-26 | 2015-05-06 | 奥图泰(芬兰)公司 | Solvent extraction settler comprising a foundation |
| US9631254B2 (en) | 2012-06-26 | 2017-04-25 | Outotec (Finland) Oy | Solvent extraction method and solvent extraction settler |
| US9731222B2 (en) | 2012-06-26 | 2017-08-15 | Outotec (Finland) Oy | Solvent extraction settler arrangement |
| US9770847B2 (en) | 2012-06-26 | 2017-09-26 | Outotec (Finland) Oy | Method of manufacturing a separation fence and separation fence |
| US9863017B2 (en) | 2012-06-26 | 2018-01-09 | Outotec (Finland) Oy | Solvent extraction settler arrangement |
| CN107782779A (en) * | 2017-11-28 | 2018-03-09 | 苏州市苏测检测技术有限公司 | Heavy metal component quick detection pre-processing device in food |
| US10220331B2 (en) | 2012-06-26 | 2019-03-05 | Outotec (Finland) Oy | Method of manufacturing a solvent extraction settler and solvent extraction settler |
| US10661199B2 (en) | 2012-06-26 | 2020-05-26 | Outotec (Finland) Oy | Method of manufacturing a launder and launder |
-
2004
- 2004-12-17 CN CN 200420114392 patent/CN2748146Y/en not_active Expired - Lifetime
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101816842B (en) * | 2010-01-20 | 2012-12-12 | 复旦大学 | Far infrared radiation auxiliary extracting system |
| CN102580348A (en) * | 2012-02-24 | 2012-07-18 | 安徽科技学院 | Active constituent extractor for natural substance |
| US9770847B2 (en) | 2012-06-26 | 2017-09-26 | Outotec (Finland) Oy | Method of manufacturing a separation fence and separation fence |
| US10661199B2 (en) | 2012-06-26 | 2020-05-26 | Outotec (Finland) Oy | Method of manufacturing a launder and launder |
| CN104602778A (en) * | 2012-06-26 | 2015-05-06 | 奥图泰(芬兰)公司 | Solvent extraction settler comprising a foundation |
| US10220331B2 (en) | 2012-06-26 | 2019-03-05 | Outotec (Finland) Oy | Method of manufacturing a solvent extraction settler and solvent extraction settler |
| US9863017B2 (en) | 2012-06-26 | 2018-01-09 | Outotec (Finland) Oy | Solvent extraction settler arrangement |
| US9631254B2 (en) | 2012-06-26 | 2017-04-25 | Outotec (Finland) Oy | Solvent extraction method and solvent extraction settler |
| US9731222B2 (en) | 2012-06-26 | 2017-08-15 | Outotec (Finland) Oy | Solvent extraction settler arrangement |
| CN104083897A (en) * | 2014-06-20 | 2014-10-08 | 林学芹 | Ultrasonic wave and microwave extraction system for traditional Chinese medicinal materials |
| CN104083897B (en) * | 2014-06-20 | 2016-02-10 | 金峰 | It is a kind of that Chinese medicine is ultrasonic involves Microwave Extraction system |
| CN104014159B (en) * | 2014-06-20 | 2016-02-03 | 温州乐享科技信息有限公司 | It is a kind of that Chinese medicine is ultrasonic involves Microwave Extraction system and extraction process |
| CN104014159A (en) * | 2014-06-20 | 2014-09-03 | 王茜南 | Ultrasonic wave and microwave extraction system and extraction process for traditional Chinese medicines |
| CN107782779A (en) * | 2017-11-28 | 2018-03-09 | 苏州市苏测检测技术有限公司 | Heavy metal component quick detection pre-processing device in food |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20090327 Address after: Room 202, building 16, Triumph Industrial Park, No. 105, Wu Wu Road, Shanghai, Xuhui District, China: 200232 Patentee after: Shanghai Xintuo Analytical Instruments Co., Ltd. Address before: Room 20, No. 1023, Lane 1804, two South Road, Zhongshan, Shanghai, Xuhui District: 200030 Co-patentee before: Zou Shichun Patentee before: Zhang He Qing |
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| ASS | Succession or assignment of patent right |
Owner name: SHANGHAI XINTUO ANALYTICAL INSTRUMENTS TECHNOLOGY Free format text: FORMER OWNER: ZHANG HEQING Effective date: 20090327 |
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| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |
Expiration termination date: 20141217 Granted publication date: 20051228 |