CN102288448A - Reversal type ultrasonic oscillation trace extraction device - Google Patents
Reversal type ultrasonic oscillation trace extraction device Download PDFInfo
- Publication number
- CN102288448A CN102288448A CN2011102076942A CN201110207694A CN102288448A CN 102288448 A CN102288448 A CN 102288448A CN 2011102076942 A CN2011102076942 A CN 2011102076942A CN 201110207694 A CN201110207694 A CN 201110207694A CN 102288448 A CN102288448 A CN 102288448A
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- glass tube
- type
- type glass
- pipe
- baffle plate
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- 238000000605 extraction Methods 0.000 title claims abstract description 55
- 230000010355 oscillation Effects 0.000 title claims abstract description 18
- 239000011521 glass Substances 0.000 claims abstract description 78
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 33
- 238000001914 filtration Methods 0.000 claims abstract description 32
- 239000000706 filtrate Substances 0.000 claims abstract description 15
- 239000000284 extract Substances 0.000 claims description 14
- 230000002441 reversible effect Effects 0.000 claims description 13
- 241000973497 Siphonognathus argyrophanes Species 0.000 claims description 4
- 230000000295 complement effect Effects 0.000 claims description 4
- 230000009514 concussion Effects 0.000 claims description 4
- 238000000034 method Methods 0.000 abstract description 4
- 239000000463 material Substances 0.000 abstract description 3
- 238000005259 measurement Methods 0.000 abstract 1
- 239000007787 solid Substances 0.000 description 3
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 2
- 238000003556 assay Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 238000003828 vacuum filtration Methods 0.000 description 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000004587 chromatography analysis Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 229940029985 mineral supplement Drugs 0.000 description 1
- 238000003822 preparative gas chromatography Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000002798 spectrophotometry method Methods 0.000 description 1
- 235000013619 trace mineral Nutrition 0.000 description 1
- 239000011573 trace mineral Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
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Abstract
The invention relates to a reversal type ultrasonic oscillation trace extraction device. The reversal type ultrasonic oscillation trace extraction device comprises a U-shaped glass tube, a sand core microporous filtration baffle, a plastic cup cover, a glass choke plug, a pressurized air pump and a filtrate collecting cup. The using method of the device comprises the following steps of: placing a sample to be extracted into the U-shaped glass tube; adding an extracting agent; covering the plastic cup cover at one end, with the sand core microporous filtration baffle, of the U-shaped glass tube; plugging the glass choke plug at the other end of the U-shaped glass tube; agitating uniformly; performing ultrasonic oscillation, so that the tested material is dissolved in the extracting agent and is extracted so as to obtain extracting solution; taking off the plastic cup cover and the glass choke plug; completely inverting the U-shaped glass tube; placing the filtrate collecting cup below the sand core microporous filtration baffle; connecting the other end of the U-shaped glass tube to the pressurized air pump; filtering the extracting solution by using the sand core microporous filtration baffle through the pressurized air; and collecting the filtrate into the filtrate collecting cup. Compared with the prior art, the reversal type ultrasonic oscillation trace extraction device has the advantages of reducing the using amount of the extracting agent, improving operability of the test and accuracy of measurement and the like.
Description
Technical field
The present invention relates to extraction element, relate in particular to a kind of extraction element of measuring micro constitutent in the solid, powdery sample.
Background technology
Micro constitutent in the solid sample typically refers to materials such as trace impurity in the sample, trace mineral supplement, and its content even has only several to tens ppm mostly below one of percentage.The mensuration of micro constitutent in the sample, usually adopt a kind of extraction agent such as water, absolute ethyl alcohol, acetone to wait and extract micro substance, micro substance in the sample is dissolved in the extraction agent, again extract is carried out assay determination, measure the method for using and comprise instrumental methods such as spectrophotometric method, atomic absorption method, vapor-phase chromatography, liquid phase chromatography.
Because the content of micro constitutent is extremely low in the sample, always wishes during analysis that the volume of extraction agent is few more good more, make the concentration of this material in the extract can reach the requirement of instrumental analysis detectability.Use common glass apparatus such as volumetric flask, conical flask,, cause the extracting section agent not bring into play effect, influence extraction effect because its volume is bigger; Because the consumption of extraction agent is little, make troubles for the isolated by filtration operation after extracting in addition; Use vacuum filtration can cause the volatilization of organic extraction agent when filtering in addition, influence detects the accuracy of data.
Summary of the invention
Purpose of the present invention is exactly to provide a kind of consumption that reduces extraction agent in order to overcome the defective that above-mentioned prior art exists, but the reversible type sonic oscillation trace extraction element of the accuracy of the operability of lifting test and mensuration also.
Purpose of the present invention can be achieved through the following technical solutions: a kind of reversible type sonic oscillation trace extraction element, it is characterized in that, this device comprises U type glass tube, core micro porous filtration baffle plate, the plastic cup cover, the glass chock plug, pressure-regulating valve, tensimeter, the supercharging air pump, the filtrate collection cups, described core micro porous filtration baffle plate is arranged on U type glass tube one end, during extraction, the described U type glass tube one end mouth of pipe is stamped the plastic cup cover, the other end mouth of pipe is plugged with the glass chock plug, during filtration, described U type glass tube is inverted, U type glass tube has the end mouth of pipe below of core micro porous filtration baffle plate and places the filtrate collection cups, and the other end mouth of pipe connects tensimeter successively, pressure-regulating valve and supercharging air pump;
Place U type glass tube to add extraction agent test portion to be extracted, the plastic cup cover is covered on an end of U type glass pipe racks core micro porous filtration baffle plate, the U type glass tube other end is the glass chock plug beyond the Great Wall, shake up, ultrasonic then concussion, test portion to be extracted is dissolved in obtains extract in the extraction agent, take off plastic cup cover and glass chock plug then, inclination U type glass tube, until complete inverted u-shaped glass tube, make extract be in core micro porous filtration baffle plate top, the filtrate collection cups is placed core micro porous filtration baffle plate below, and the U type glass tube other end connected tensimeter successively, pressure-regulating valve and supercharging air pump are collected in test portion to be extracted and extraction agent in the filtrate collection cups after core micro porous filtration baffle plate filters by pressurized air.
Described U type glass tube connects the supercharging air pump by the flexible pipe that has the supercharging joint, and described supercharging joint clogs the U type glass tube mouth of pipe, and by the set collar fixing seal, described flexible pipe is provided with pressure-regulating valve and tensimeter.
Described U type glass tube two ends one end height, the other end is low.
The end mouth of pipe that described U type glass tube is high shrinks and is circular platform type, and described core micro porous filtration baffle plate is positioned at the described circular platform type mouth of pipe, and the end mouth of pipe that described U type glass tube is low extends out.
The described plastic cup cover and the U type glass tube mouth of pipe are complementary, and prevent the extraction agent volatilization.
Described glass chock plug and U type glass tube are tightly connected.
Described filtrate collection cups is beaker or graduated cylinder.
Described ultrasonic concussion is that the U type glass tube that will fill test portion to be extracted and extraction agent places oscillator or ultrasonoscope to dissolve the extraction processing.
The addition of described extraction agent is immersed in the extraction agent fully for making test portion to be extracted.
Compared with prior art, the present invention has the following advantages:
1, apparatus of the present invention volume is little, and sample size and extraction agent consumption required when being used for extracting the micro constitutent of solid, powdery sample are little, and sample size can be less than 0.2 gram, and extraction agent can be less than 5 milliliters.
2, the present invention carries core micro porous filtration baffle plate, has improved the operability of filter operation greatly.
3, the present invention adopts positive-pressure type to filter, and effectively prevents the volatilization loss with extraction agent that vacuum filtration causes, thereby has improved the accuracy of measuring.
Description of drawings
Structural representation when Fig. 1 adorns sample for U type glass tube of the present invention;
Structural representation when Fig. 2 extracts for apparatus of the present invention supercharging.
Wherein: 1-core micro porous filtration baffle plate, 2-plastic cup cover, 3-glass chock plug, 4-U type glass tube, 5-dead ring, 6-tensimeter, 7-pressure-regulating valve, 8-supercharging air pump, 9-small beaker.
Embodiment
The present invention is described in detail below in conjunction with the drawings and specific embodiments.
Embodiment 1
Shown in Fig. 1～2, a kind of reversible type sonic oscillation trace extraction element, this device comprises core micro porous filtration baffle plate 1, plastic cup cover 2, glass chock plug 3, U type glass tube 4, dead ring 5, tensimeter 6, pressure-regulating valve 7, supercharging air pump 8, small beaker 9.
Described U type glass tube 4 two ends height is different, an end height, and the other end is low, so that operation is used for splendid attire test portion and extraction agent.U type glass tube 4 high end mouths of pipe shrink and are circular platform type, described core micro porous filtration baffle plate 1 is positioned at the described circular platform type mouth of pipe, described plastic cup cover 2 is complementary with the U type glass tube 4 circular platform type mouths of pipe, prevent the extraction agent volatilization, U type glass tube 4 low end mouths of pipe extend out, and be complementary salable connection with glass chock plug 3.
Take by weighing quantity of sample and place the U type glass tube 4 of drying, cleaning, pipetting a certain amount of extraction agent again is placed in one, the addition of extraction agent is dipped in the extraction agent for making test portion to be extracted fully, plastic cup cover 2 on the high end mouthpiece cover of U type glass tube 4, a low end mouth of pipe is glass chock plug 3 beyond the Great Wall, shakes U type glass tube 4 gently test portion is immersed in the extraction agent fully.As shown in Figure 1.
The U type glass tube 4 that fills test portion and extraction agent is placed oscillator or ultrasonoscope, dissolve the extraction processing and obtain extract.
Dissolving is taken off plastic cup cover 2 and glass chock plug 3, the inclination U type glass tube 4 while shaking after extracting and finishing dealing with, until complete inverted u-shaped glass tube 4, make extract be in core micro porous filtration baffle plate 1 top, as the filtrate collection cups, place core micro porous filtration baffle plate 1 below with small beaker 9.
U type glass tube 4 other ends are connected supercharging air pump 8 by the flexible pipe that has the supercharging joint, and the supercharging joint clogs U type glass tube 4 mouths of pipe, and by set collar 5 fixing seals, closing presure variable valve 7 is opened supercharging air pump 8.Slowly opening pressure variable valve 7 is observed tensimeter 6 simultaneously, makes pressurized air enter system, and extract is flowed in the small beaker 9 after core micro porous filtration baffle plate 1 filters, and realization test portion filter residue separates with extract, as shown in Figure 2.Extract after the separation is used for assay determination.
Claims (9)
1. reversible type sonic oscillation trace extraction element, it is characterized in that, this device comprises U type glass tube, core micro porous filtration baffle plate, the plastic cup cover, the glass chock plug, pressure-regulating valve, tensimeter, the supercharging air pump, the filtrate collection cups, described core micro porous filtration baffle plate is arranged on U type glass tube one end, during extraction, the described U type glass tube one end mouth of pipe is stamped the plastic cup cover, the other end mouth of pipe is plugged with the glass chock plug, during filtration, described U type glass tube is inverted, U type glass tube has the end mouth of pipe below of core micro porous filtration baffle plate and places the filtrate collection cups, and the other end mouth of pipe connects tensimeter successively, pressure-regulating valve and supercharging air pump;
Test portion to be extracted is placed U type glass tube and adds extraction agent, the plastic cup cover is covered on an end of U type glass pipe racks core micro porous filtration baffle plate, the U type glass tube other end is the glass chock plug beyond the Great Wall, shake up, ultrasonic then concussion, make test portion in extraction agent, dissolve extraction and obtain extract, take off plastic cup cover and glass chock plug then, inclination U type glass tube, until complete inverted u-shaped glass tube, make extract be in core micro porous filtration baffle plate top, the filtrate collection cups is placed core micro porous filtration baffle plate below, and the U type glass tube other end connected tensimeter successively, pressure-regulating valve and supercharging air pump are collected in extract in the filtrate collection cups after core micro porous filtration baffle plate filters by pressurized air.
2. a kind of reversible type sonic oscillation trace extraction element according to claim 1, it is characterized in that, described U type glass tube connects the supercharging air pump by the flexible pipe that has the supercharging joint, described supercharging joint clogs the U type glass tube mouth of pipe, and by the set collar fixing seal, described flexible pipe is provided with pressure-regulating valve and tensimeter.
3. a kind of reversible type sonic oscillation trace extraction element according to claim 2 is characterized in that, described U type glass tube two ends one end height, and the other end is low.
4. a kind of reversible type sonic oscillation trace extraction element according to claim 3, it is characterized in that, the end mouth of pipe that described U type glass tube is high shrinks and is circular platform type, and described core micro porous filtration baffle plate is positioned at the described circular platform type mouth of pipe, and the end mouth of pipe that described U type glass tube is low extends out.
5. a kind of reversible type sonic oscillation trace extraction element according to claim 1 is characterized in that the described plastic cup cover and the U type glass tube mouth of pipe are complementary, and prevents the extraction agent volatilization.
6. a kind of reversible type sonic oscillation trace extraction element according to claim 1 is characterized in that described glass chock plug and U type glass tube are tightly connected.
7. a kind of reversible type sonic oscillation trace extraction element according to claim 1 is characterized in that described filtrate collection cups is beaker or graduated cylinder.
8. a kind of reversible type sonic oscillation trace extraction element according to claim 1 is characterized in that, described ultrasonic concussion is that the U type glass tube that will fill test portion to be extracted and extraction agent places oscillator or ultrasonoscope to dissolve the extraction processing.
9. a kind of reversible type sonic oscillation trace extraction element according to claim 1 is characterized in that the addition of described extraction agent is dipped in the extraction agent fully for making test portion to be extracted.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110207694A CN102288448B (en) | 2011-07-22 | 2011-07-22 | Reversal type ultrasonic oscillation trace extraction device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110207694A CN102288448B (en) | 2011-07-22 | 2011-07-22 | Reversal type ultrasonic oscillation trace extraction device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102288448A true CN102288448A (en) | 2011-12-21 |
| CN102288448B CN102288448B (en) | 2012-10-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110207694A Expired - Fee Related CN102288448B (en) | 2011-07-22 | 2011-07-22 | Reversal type ultrasonic oscillation trace extraction device |
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| Country | Link |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1993004753A1 (en) * | 1991-09-02 | 1993-03-18 | Richter Gedeon Vegyészeti Gyár Rt. | Equipment for contacting a solid with a liquid, particularly for extracting a solid with a liquid |
| CN101322885A (en) * | 2007-06-15 | 2008-12-17 | 中国科学院沈阳应用生态研究所 | Soil anaerobic leaching method and device thereof |
| CN201735211U (en) * | 2010-08-12 | 2011-02-09 | 云南省烟草农业科学研究院 | Microscale extracting and purifying device |
-
2011
- 2011-07-22 CN CN201110207694A patent/CN102288448B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1993004753A1 (en) * | 1991-09-02 | 1993-03-18 | Richter Gedeon Vegyészeti Gyár Rt. | Equipment for contacting a solid with a liquid, particularly for extracting a solid with a liquid |
| CN101322885A (en) * | 2007-06-15 | 2008-12-17 | 中国科学院沈阳应用生态研究所 | Soil anaerobic leaching method and device thereof |
| CN201735211U (en) * | 2010-08-12 | 2011-02-09 | 云南省烟草农业科学研究院 | Microscale extracting and purifying device |
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| Publication number | Publication date |
|---|---|
| CN102288448B (en) | 2012-10-03 |
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| SE01 | Entry into force of request for substantive examination | ||
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Address after: 200062 Shanghai city Putuo District Yunling Road No. 345 Patentee after: Shanghai Chemical Research Institute Co., Ltd. Address before: 200062 Shanghai city Putuo District Yunling Road No. 345 Patentee before: Shanghai Research Institute of Chemical Industry |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121003 Termination date: 20200722 |