CN215894186U - Device for extracting inorganic carbon and organic carbon dissolved in trace water sample - Google Patents
Device for extracting inorganic carbon and organic carbon dissolved in trace water sample Download PDFInfo
- Publication number
- CN215894186U CN215894186U CN202121334724.1U CN202121334724U CN215894186U CN 215894186 U CN215894186 U CN 215894186U CN 202121334724 U CN202121334724 U CN 202121334724U CN 215894186 U CN215894186 U CN 215894186U
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- Prior art keywords
- vacuum
- reactor
- acid storage
- carbon
- valve
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- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title claims abstract description 48
- 229910052799 carbon Inorganic materials 0.000 title claims abstract description 48
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 29
- 239000002253 acid Substances 0.000 claims abstract description 39
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 10
- 239000000741 silica gel Substances 0.000 claims abstract description 10
- 229910002027 silica gel Inorganic materials 0.000 claims abstract description 10
- 238000000605 extraction Methods 0.000 claims description 12
- 229910052751 metal Inorganic materials 0.000 claims description 6
- 239000002184 metal Substances 0.000 claims description 6
- 239000011148 porous material Substances 0.000 claims description 2
- 238000006243 chemical reaction Methods 0.000 abstract description 4
- 239000000284 extract Substances 0.000 abstract description 2
- 238000005070 sampling Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 7
- 230000008569 process Effects 0.000 description 6
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 4
- 239000003344 environmental pollutant Substances 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- 231100000719 pollutant Toxicity 0.000 description 4
- LCPVQAHEFVXVKT-UHFFFAOYSA-N 2-(2,4-difluorophenoxy)pyridin-3-amine Chemical compound NC1=CC=CN=C1OC1=CC=C(F)C=C1F LCPVQAHEFVXVKT-UHFFFAOYSA-N 0.000 description 3
- 238000003915 air pollution Methods 0.000 description 3
- CHQMHPLRPQMAMX-UHFFFAOYSA-L sodium persulfate Substances [Na+].[Na+].[O-]S(=O)(=O)OOS([O-])(=O)=O CHQMHPLRPQMAMX-UHFFFAOYSA-L 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 229910000147 aluminium phosphate Inorganic materials 0.000 description 2
- 238000004177 carbon cycle Methods 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 239000002803 fossil fuel Substances 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000005086 pumping Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
- 239000000809 air pollutant Substances 0.000 description 1
- 231100001243 air pollutant Toxicity 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 239000005457 ice water Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 229910017464 nitrogen compound Inorganic materials 0.000 description 1
- 150000002830 nitrogen compounds Chemical class 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000002957 persistent organic pollutant Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000010792 warming Methods 0.000 description 1
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- Sampling And Sample Adjustment (AREA)
- Investigating Or Analyzing Non-Biological Materials By The Use Of Chemical Means (AREA)
Abstract
The utility model provides a device for extracting inorganic carbon and organic carbon dissolved in a trace water sample, which comprises a reactor arranged at the bottom, a connecting pipe arranged on the side surface of the reactor, a vacuum connecting valve arranged above the reactor, and an acid storage device arranged on the connecting pipe, wherein an acid storage device valve is arranged at the bottom of the acid storage device, the acid storage device valve is connected with the connecting pipe through a connector II, the outlet end of the vacuum connecting valve is connected with the reactor through a connector I, a silica gel plug is arranged at the inlet end of the vacuum connecting valve, a fine needle and a vacuum pipe are inserted in the silica gel plug, and the vacuum pipe is connected with a vacuum pump. The utility model extracts inorganic carbon and organic carbon by dissolving a precious sample with small volume, adopts a joint with good tightness, avoids trace sample pollution caused by air leakage in the reaction process, simultaneously reduces the volume of the reactor, reduces the possibility of air leakage, increases a fine needle at a vacuum joint, can effectively control the water quantity entering a vacuum system, has simple structure, is convenient for sampling and saves time.
Description
Technical Field
The utility model belongs to the technical field of inorganic carbon and organic carbon extraction, and particularly relates to an inorganic carbon extraction device for dissolving a trace amount of water sample.
Background
Along with the acceleration of industrialization and urbanization processes in China, the consumption of fossil fuels is continuously increased in recent years, and a large amount of fossil fuels are combusted and industrial pollutants are discharged, so that a large amount of CO is generated2The product is discharged into the atmosphere, thus aggravating the serious environmental problems such as greenhouse effect, global warming and the like; on the other hand, the total amount of the air pollutant emission in China is increased sharply due to the tiny dust particles and the like generated by large-scale buildings, the problem of air pollution characterized by PM2.5 is increasingly prominent, heavy haze pollution weather is frequent in a large range in many places in China, and the air pollution not only causes serious environmental problems, but also greatly influences the daily life and health of people.
Effective control of atmospheric pollution must be based on an understanding of the main sources and chemical composition of the atmospheric pollutants. The air pollution sources are various and the causes are complex in China, the emission of organic pollutants and various nitrogen compounds accounts for a large proportion, and the rainfall process has the effect of removing the pollutants in the air. Some recent studies have shown that the content of Dissolved Organic Carbon (DOC) and Dissolved Nitrogen (DN) tends to rise in rainfall in different regions of the world, and has become the main dissolution chemical component in rainfall. The carbon transport during rainfall not only has a significant impact on land and marine ecosystems, but also becomes an important component of the global carbon cycle. Therefore, analyzing the concentration change and source of DOC, DIC and TN in rainwater is an important way to help people to know the source and composition of pollutants in the atmosphere, and is an effective method to know the role and mechanism of rainfall process in regional and global carbon cycle.
Inorganic carbon and organic carbon (C:)14C) The extraction and test of (2) are important links, the traditional extraction device for dissolving inorganic carbon and organic carbon has large volume, and is very easy to cause pollution to the precious samples such as rainwater, snow water and ice with small volume, and the device is not beneficial to operation due to overlarge volume. In addition, the extraction process needs to be carried out in vacuum, and a large amount of water is pumped into a vacuum line in the vacuum pumping process, so that the vacuum pumping speed is reduced, and the whole extraction of the inorganic carbon and the organic carbon is influenced.
SUMMERY OF THE UTILITY MODEL
The utility model provides a device for extracting inorganic carbon and organic carbon dissolved in a trace amount of water sample, which can realize the rapid extraction of the inorganic carbon and the organic carbon dissolved in rainwater, snow water and ice so as to carry out14C, year measurement, and then researching the circulation process of carbon in water.
The technical scheme of the utility model is as follows: the utility model provides a trace amount of water sample dissolves inorganic carbon and organic carbon extraction element, is including arranging the reactor of bottom in, setting up connecting pipe, the vacuum junction valve of setting in the reactor top, the acid storage ware of setting on the connecting pipe in the reactor side in, the bottom of acid storage ware is equipped with the acid storage ware valve, the acid storage ware valve is connected with the connecting pipe through connecting II, the vacuum junction valve includes entrance point and exit end, the exit end of vacuum junction valve is connected with the reactor through connecting I, be equipped with the silica gel stopper on the entrance point of vacuum junction valve, insert on the silica gel stopper and be equipped with fine needle and vacuum tube, the vacuum tube is connected with the vacuum pump.
Preferably, the reactor is of a conical configuration.
Preferably, the side of the reactor is provided with a scale.
Preferably, the acid adding device further comprises an acid liquor dropper which is used for carrying out acid adding operation on the acid storage device.
Preferably, the joint I and the joint II are metal joints with the same pore diameter at two ends.
Preferably, the fine needle has a diameter of 10 mm.
The utility model has the advantages that: the utility model aims at the water sample of a rare sample with small volume to rapidly extract inorganic carbon and organic carbon by dissolving, adopts a vacuum metal joint with good tightness to avoid air leakage in the reaction process and pollution to trace samples, simultaneously reduces the volume of the reactor, increases the possibility of air leakage when the container is bigger, adds a thin needle about 10mm inserted into a silica gel plug at the vacuum joint, can effectively control the water volume entering a vacuum system without influencing the speed of vacuumizing, adopts a conical design to avoid heavy head and foot, and is convenient to stably place in a water bath.
The utility model has simple integral structure, small volume, easy operation, convenient sampling and time saving.
Drawings
FIG. 1 is a schematic view showing the structure of an apparatus for extracting inorganic carbon and organic carbon by dissolving a trace amount of water sample according to the present invention;
wherein: 1. the device comprises a reactor, 2, connectors I and 3, a vacuum connecting valve, 4, a silica gel plug, 5, an acid liquor dropper, 6, an acid storage device, 7, an acid storage device valve, 8, connectors II and 9 and a connecting pipe.
Detailed Description
The present invention will now be described more fully hereinafter with reference to the accompanying drawings, in which a person skilled in the art can, without any creative effort, fully implement the present invention.
The specific implementation mode of the utility model is as follows: as shown in fig. 1, a trace water sample dissolves inorganic carbon and organic carbon extraction element, including arranging reactor 1 of bottom in, setting up connecting pipe 9 in reactor 1 side, setting up vacuum connection valve 3 in reactor 1 top, setting up acid storage device 6 on connecting pipe 9, the bottom of acid storage device 6 is equipped with acid storage device valve 7, acid storage device valve 7 is connected with connecting pipe 9 through joint II 8, vacuum connection valve 3 includes entrance point and exit end, the exit end of vacuum connection valve 3 is connected with reactor 1 through joint I2, be equipped with silica gel plug 4 on the entrance point of vacuum connection valve 3, vertical thin needle and the vacuum tube of having inserted on silica gel plug 4, the vacuum tube is connected with the vacuum pump.
Preferably, the reactor 1 is of a conical structure, so that the reactor can be conveniently placed in a water bath.
Preferably, the side of the reactor 1 is provided with a scale.
Preferably, the acid adding device further comprises an acid liquor dropper 5, and acid adding operation is carried out on the acid storage device 6, so that acid adding can be carried out more accurately.
Preferably, the joint I2 and the joint II 8 are metal joints with two consistent apertures, and the metal joints can avoid air leakage.
Preferably, the fine needle has a diameter of 10 mm.
The using process of the utility model is as follows: pouring 50ml of rainwater, snow water and ice water into a 100ml reactor 1, sleeving a metal joint, closing a vacuum connecting valve 3 and an acid storage device valve 7, connecting the vacuum connecting valve 3 into a vacuum line, starting to extract vacuum, stopping vacuumizing when bubbles appear in a water sample, closing the vacuum connecting valve 3, and dripping 10ml of 85% phosphoric acid into an acid storage device 6 to extract inorganic carbon; dripping 10ml of sodium persulfate of 0.04g/ml into the organic carbon extraction, slowly opening an acid storage device valve 7 between an acid storage device 6 and a reactor 1, slowly introducing phosphoric acid (sodium persulfate) into the reactor 1, closing the acid storage device valve 7 when the liquid level of the acid reaches the bottommost part of the acid storage device 6, shaking the reactor 1 to uniformly mix the acid (sodium persulfate) with a water sample, and then putting the inorganic carbon extraction into a 75 ℃ water bath for heating for 15 minutes for reaction; the organic carbon was reacted by heating in a water bath at 95 ℃ for 60 minutes. Then putting the mixture into a water bath at the temperature of 75 ℃ to heat for 15 minutes for reaction; then the reactor 1 is connected into a vacuum system for vacuumizing, the vacuum connecting valve 3 is opened again, and CO begins to be collected2A gas.
While the preferred embodiments of the utility model have been described, it is to be understood that the utility model is not limited to the precise embodiments described, and that equipment and structures not described in detail are understood to be practiced as commonly known in the art; any simple modification, equivalent change and modification of the above embodiments according to the technical essence of the present invention by those skilled in the art can be made without departing from the technical scope of the present invention, and still fall within the protection scope of the technical solution of the present invention.
Claims (6)
1. The utility model provides a trace water sample dissolves inorganic carbon and organic carbon extraction element, its characterized in that, including the reactor of arranging the bottom in, set up connecting pipe, the vacuum connection valve of setting in the reactor top, the acid storage ware of setting on the connecting pipe in the reactor side, the bottom of acid storage ware is equipped with the acid storage ware valve, the acid storage ware valve is connected with the connecting pipe through connecting II, the vacuum connection valve includes entrance point and exit end, the exit end of vacuum connection valve is connected with the reactor through connecting I, be equipped with the silica gel stopper on the entrance point of vacuum connection valve, insert on the silica gel stopper and be equipped with fine needle and vacuum tube, the vacuum tube is connected with the vacuum pump.
2. The apparatus for extracting dissolved inorganic carbon and organic carbon from trace amount of water sample as claimed in claim 1, wherein the reactor has a conical structure.
3. The apparatus for extracting dissolved inorganic carbon and organic carbon from trace amount of water as claimed in claim 2, wherein the side of the reactor is provided with a scale.
4. The device for extracting inorganic carbon and organic carbon dissolved in trace water samples as claimed in claim 3, further comprising an acid dropper for adding acid to the acid storage device.
5. The apparatus for extracting inorganic carbon and organic carbon dissolved in trace amount of water sample as claimed in claim 4, wherein the first and second connectors are metal connectors with uniform pore diameters at both ends.
6. The apparatus for extracting dissolved inorganic carbon and organic carbon from trace amount of water sample as claimed in claim 5, wherein the diameter of the fine needle is 10 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121334724.1U CN215894186U (en) | 2021-06-16 | 2021-06-16 | Device for extracting inorganic carbon and organic carbon dissolved in trace water sample |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121334724.1U CN215894186U (en) | 2021-06-16 | 2021-06-16 | Device for extracting inorganic carbon and organic carbon dissolved in trace water sample |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215894186U true CN215894186U (en) | 2022-02-22 |
Family
ID=80346411
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121334724.1U Expired - Fee Related CN215894186U (en) | 2021-06-16 | 2021-06-16 | Device for extracting inorganic carbon and organic carbon dissolved in trace water sample |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215894186U (en) |
-
2021
- 2021-06-16 CN CN202121334724.1U patent/CN215894186U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220222 |