CN205067182U - Ultrasonic atomization extracts volatile organic compounds's in water online and off -line monitoring device - Google Patents
Ultrasonic atomization extracts volatile organic compounds's in water online and off -line monitoring device Download PDFInfo
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- CN205067182U CN205067182U CN201520824688.5U CN201520824688U CN205067182U CN 205067182 U CN205067182 U CN 205067182U CN 201520824688 U CN201520824688 U CN 201520824688U CN 205067182 U CN205067182 U CN 205067182U
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- 239000012855 volatile organic compound Substances 0.000 title claims abstract description 48
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 41
- 239000000284 extract Substances 0.000 title claims description 7
- 238000000889 atomisation Methods 0.000 title abstract description 17
- 238000012806 monitoring device Methods 0.000 title 1
- 238000001514 detection method Methods 0.000 claims abstract description 50
- 239000007921 spray Substances 0.000 claims abstract description 42
- 239000012159 carrier gas Substances 0.000 claims abstract description 36
- 239000007788 liquid Substances 0.000 claims abstract description 16
- 239000005416 organic matter Substances 0.000 claims description 10
- 239000000463 material Substances 0.000 claims description 8
- 238000002347 injection Methods 0.000 claims description 6
- 239000007924 injection Substances 0.000 claims description 6
- 239000011521 glass Substances 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims 1
- 239000011148 porous material Substances 0.000 claims 1
- 230000003595 spectral effect Effects 0.000 claims 1
- 238000005070 sampling Methods 0.000 abstract description 23
- 238000000605 extraction Methods 0.000 abstract description 15
- 238000010438 heat treatment Methods 0.000 abstract description 9
- 239000003595 mist Substances 0.000 abstract description 5
- 239000000523 sample Substances 0.000 description 35
- 238000000034 method Methods 0.000 description 9
- 238000004458 analytical method Methods 0.000 description 5
- 239000007789 gas Substances 0.000 description 5
- 238000004949 mass spectrometry Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 238000012360 testing method Methods 0.000 description 4
- 230000004044 response Effects 0.000 description 3
- 238000001179 sorption measurement Methods 0.000 description 3
- 238000010790 dilution Methods 0.000 description 2
- 239000012895 dilution Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000012528 membrane Substances 0.000 description 2
- -1 polytetrafluoroethylene Polymers 0.000 description 2
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 2
- 239000004810 polytetrafluoroethylene Substances 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 229920000742 Cotton Polymers 0.000 description 1
- 239000012472 biological sample Substances 0.000 description 1
- 210000001124 body fluid Anatomy 0.000 description 1
- 239000010839 body fluid Substances 0.000 description 1
- 230000000711 cancerogenic effect Effects 0.000 description 1
- 231100000315 carcinogenic Toxicity 0.000 description 1
- 238000004113 cell culture Methods 0.000 description 1
- 238000004587 chromatography analysis Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007865 diluting Methods 0.000 description 1
- 238000000642 dynamic headspace extraction Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000000622 liquid--liquid extraction Methods 0.000 description 1
- 230000003446 memory effect Effects 0.000 description 1
- 230000004060 metabolic process Effects 0.000 description 1
- 230000002906 microbiologic effect Effects 0.000 description 1
- 231100000219 mutagenic Toxicity 0.000 description 1
- 230000003505 mutagenic effect Effects 0.000 description 1
- 238000002414 normal-phase solid-phase extraction Methods 0.000 description 1
- 150000002894 organic compounds Chemical class 0.000 description 1
- 230000002085 persistent effect Effects 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000010926 purge Methods 0.000 description 1
- 238000002470 solid-phase micro-extraction Methods 0.000 description 1
- 238000000638 solvent extraction Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 231100000378 teratogenic Toxicity 0.000 description 1
- 230000003390 teratogenic effect Effects 0.000 description 1
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Abstract
本实用新型提出一种超声雾化提取水体中挥发性有机物的在线和离线检测装置,包括在线进样口、离线进样口、喷雾筒、加热恒温套件、挥发性有机物检测装置、上微孔超声雾化片和下微孔超声雾化片;所述的在线进样口包括液体进样接口和液体出样接口;所述喷雾筒包括载气入口和载气出口;所述上微孔超声雾化片密封压于离线进样口与喷雾筒之间;所述下微孔超声雾化片密封压于在线进样口与喷雾筒之间;所述加热恒温套件包裹在喷雾筒周围;所述喷雾筒的载气出口与挥发性有机物检测装置相连。本实用新型可以实现微量水样中挥发性有机物的超高效提取,以及在线和离线检测。
The utility model proposes an on-line and off-line detection device for extracting volatile organic compounds in water by ultrasonic atomization, including an online sample inlet, an off-line sample inlet, a spray cylinder, a heating constant temperature kit, a volatile organic compound detection device, and an upper micropore ultrasonic The atomizing sheet and the lower microporous ultrasonic atomizing sheet; the online sample inlet includes a liquid sampling interface and a liquid sample outlet interface; the spray cylinder includes a carrier gas inlet and a carrier gas outlet; the upper microporous ultrasonic mist The atomized sheet is sealed and pressed between the off-line sample inlet and the spray tube; the lower microporous ultrasonic atomization sheet is sealed and pressed between the online sample inlet and the spray tube; the heating thermostat kit is wrapped around the spray tube; the The carrier gas outlet of the spray tube is connected with the volatile organic compound detection device. The utility model can realize ultra-high-efficiency extraction and on-line and off-line detection of volatile organic compounds in trace water samples.
Description
技术领域technical field
本实用新型属于分析检测领域,具体涉及一种超声雾化提取水体中挥发性有机物的在线和离线检测装置。The utility model belongs to the field of analysis and detection, in particular to an on-line and off-line detection device for extracting volatile organic compounds in water by ultrasonic atomization.
背景技术Background technique
挥发性有机物是水体中的一大类重要污染物,具有持久性、迁移性,以及致癌、致畸、致突变的特性,所以水体中挥发性有机物在线检测在环境保护领域尤为受重视,另外,水体中挥发性有机物在线检测在体液代谢分析、细胞培养过程分析等生物医学研究和化学制备等领域同样具有重要意义。Volatile organic compounds are a large class of important pollutants in water bodies, which are persistent, mobile, and carcinogenic, teratogenic, and mutagenic. Therefore, online detection of volatile organic compounds in water bodies is particularly important in the field of environmental protection. In addition, The online detection of volatile organic compounds in water is also of great significance in the fields of biomedical research and chemical preparation such as body fluid metabolism analysis and cell culture process analysis.
目前水体中挥发性有机物提取方法有固相萃取、固相微萃取法、液液萃取、顶空技术(含吹扫捕集法)、膜进样法、动态气体提取法、直接液体进样法等,被提取的挥发性有机物可以利用色谱或色谱质谱等有机物检测技术进行检测。其中前四种有机物提取方法均为离线富集取样方法,不满足在线检测需求,后三种虽可以在线提取挥发性有机物,但膜进样法的记忆效应导致响应较慢,动态气体提取法所需样品量大,直接液体进样法通过加热的载气对待测液体吹扫气化,通入的大量载气对目标有机物具有稀释作用。At present, the extraction methods of volatile organic compounds in water include solid-phase extraction, solid-phase microextraction, liquid-liquid extraction, headspace technology (including purge and trap), membrane sampling method, dynamic gas extraction method, and direct liquid sampling method. etc., the extracted volatile organic compounds can be detected by organic detection techniques such as chromatography or chromatography-mass spectrometry. Among them, the first four organic compound extraction methods are offline enrichment sampling methods, which do not meet the needs of online detection. Although the latter three methods can extract volatile organic compounds online, the memory effect of the membrane sampling method leads to slow response. A large amount of sample is required, and the direct liquid sampling method uses heated carrier gas to purge and vaporize the liquid to be measured, and a large amount of carrier gas introduced has a diluting effect on the target organic matter.
为此,发明专利“一种水中挥发性有机物喷雾提取的在线检测装置及检测方法”(ZL201210264400.4)中提出了一种水中挥发性有机物喷雾提取的在线检测装置及检测方法,利用加压喷雾的方式对水样进行雾化,利用质谱在线检测,实现了水中痕量挥发性有机物的在线提取和质谱检测。然而,该发明专利仅适合少量或大量样品的在线检测分析,不适合微量样品在线和离线检测分析。此外,该发明专利中的加压喷雾没有采用雾化气辅助雾化,避免了雾化气对有机物的稀释作用,但直接加压雾化的雾化效果有待提高,对有机物的提取效率和响应时间存在一定的影响。For this reason, the invention patent "On-line detection device and detection method for spray extraction of volatile organic compounds in water" (ZL201210264400.4) proposes an online detection device and detection method for spray extraction of volatile organic compounds in water. The method is used to atomize water samples, and online detection by mass spectrometry is used to realize the online extraction and mass spectrometry detection of trace volatile organic compounds in water. However, this invention patent is only suitable for on-line detection and analysis of small or large samples, and is not suitable for on-line and off-line detection and analysis of trace samples. In addition, the pressurized spray in this invention patent does not use atomizing gas to assist atomization, which avoids the dilution effect of atomizing gas on organic matter, but the atomization effect of direct pressurized atomization needs to be improved, and the extraction efficiency and response to organic matter Time has some influence.
实用新型内容Utility model content
本实用新型的技术解决问题:克服现有水体中挥发性有机物提取检测的不足,提供一种超声雾化提取水体中挥发性有机物的在线和离线检测装置,可以实现对痕量水体中挥发性有机物进行超高效提取,并实现在线或离线的高灵敏检测。The technical solution of the utility model is to overcome the shortcomings of the existing extraction and detection of volatile organic compounds in water bodies, and provide an online and offline detection device for extracting volatile organic compounds in water bodies by ultrasonic atomization, which can realize the detection of trace volatile organic compounds in water bodies Perform ultra-efficient extraction and achieve high-sensitivity detection online or offline.
本实用新型技术解决方案:一种超声雾化提取水体中挥发性有机物的在线和离线检测装置,包括在线进样口、离线进样口、喷雾筒、加热恒温套件、挥发性有机物检测装置、上微孔超声雾化片和下微孔超声雾化片;所述在线进样口包括液体进样接口和液体出样接口;所述喷雾筒上开有载气入口和载气出口;所述上微孔超声雾化片密封压于离线进样口与喷雾筒的一端之间;所述下微孔超声雾化片密封压于在线进样口与喷雾筒的另一端之间;所述加热恒温套件包裹在喷雾筒周围;所述载气出口与挥发性有机物检测装置相连。The technical solution of the utility model: an online and offline detection device for extracting volatile organic compounds in water by ultrasonic atomization, including an online sample inlet, an offline sample inlet, a spray cylinder, a heating constant temperature kit, a volatile organic compound detection device, an upper A microporous ultrasonic atomizing sheet and a lower microporous ultrasonic atomizing sheet; the online sample inlet includes a liquid sample inlet port and a liquid sample outlet port; the spray tube is provided with a carrier gas inlet and a carrier gas outlet; the upper The microporous ultrasonic atomizing sheet is sealed and pressed between the off-line sample inlet and one end of the spray tube; the lower microporous ultrasonic atomizing sheet is sealed and pressed between the online sample inlet and the other end of the spray tube; the heating constant temperature The kit is wrapped around the spray tube; the carrier gas outlet is connected with a volatile organic compound detection device.
所述的上微孔超声雾化片和下微孔超声雾化片的直径可在5mm~50mm;其中间部位密布通透的微孔,微孔直径在1μm~20μm;其产生的超声频率可在20kHz-300kHz。The diameter of the upper microporous ultrasonic atomizing sheet and the lower microporous ultrasonic atomizing sheet can be 5 mm to 50 mm; the middle part is densely covered with transparent micropores, and the diameter of the micropores is 1 μm to 20 μm; the ultrasonic frequency generated by them can be at 20kHz-300kHz.
所述的喷雾筒可以是低吸附性的聚四氟乙烯材料或玻璃材料。The spray tube can be made of polytetrafluoroethylene material or glass material with low adsorption.
所述的挥发性有机物检测装置可以是挥发性有机物检测的质谱装置、光谱装置和传感器等。The volatile organic compound detection device may be a mass spectrometry device, a spectroscopic device, a sensor, etc. for volatile organic compound detection.
本实用新型的特征在于可实现水体中挥发性有机物的离线进样检测和在线进样检测,具体工作过程如下:在线进样检测时,水样可从在线进样口的液体进样接口连续进入,流经下微孔超声雾化片从液体出样接口流出,给下微孔超声雾化片通电工作后,与下微孔超声雾化片接触的水样可穿过微孔超声雾化片,在喷雾筒内形成雾状,水样中挥发性有机物在喷雾筒内快速与周围载气达到平衡,载气从载气入口进入,携带提取出的挥发性有机物从载气出口进入挥发性有机物检测装置。离线进样检测时,可取微量水样滴于离线进样口同侧的上微孔超声雾化片表面,给上微孔超声雾化片通电工作后,微量水样可穿过上微孔超声雾化片的微孔,在喷雾筒内形成雾状,水样中挥发性有机物在喷雾筒内快速与周围载气达到平衡,载气从载气入口进入,携带提取出的挥发性有机物从载气出口进入挥发性有机物检测装置。The utility model is characterized in that it can realize the off-line sampling detection and on-line sampling detection of volatile organic compounds in the water body. , flows through the lower microporous ultrasonic atomizing sheet and flows out from the liquid sample outlet interface. After the lower microporous ultrasonic atomizing sheet is energized to work, the water sample in contact with the lower microporous ultrasonic atomizing sheet can pass through the microporous ultrasonic atomizing sheet , forming a mist in the spray tube, the volatile organic compounds in the water sample quickly reach equilibrium with the surrounding carrier gas in the spray tube, the carrier gas enters from the carrier gas inlet, and carries the extracted volatile organic compounds into the volatile organic compounds from the carrier gas outlet detection device. During offline sampling testing, a small amount of water sample can be dropped on the surface of the upper microporous ultrasonic atomizing sheet on the same side as the offline sampling port. The micropores of the atomized sheet form a mist in the spray tube. The volatile organic compounds in the water sample quickly reach equilibrium with the surrounding carrier gas in the spray tube. The carrier gas enters from the carrier gas inlet and carries the extracted volatile organic compounds from the carrier gas. The gas outlet enters the volatile organic compound detection device.
本实用新型与现有技术相比的优点在于:Compared with the prior art, the utility model has the following advantages:
(1)本实用新型可以实现微量水样中挥发性有机物的快速提取和高灵敏检测。由于微孔超声雾化片的使用,可以让微量水样快速超高效雾化,不仅所需样品量进一步减少,而且超高效雾化过程提高了有机物的提取效率和速度,特别适合于微量生物样品中挥发性有机物的提取检测。(1) The utility model can realize rapid extraction and high-sensitivity detection of volatile organic compounds in trace water samples. Due to the use of microporous ultrasonic atomization sheet, micro-water samples can be quickly and ultra-efficiently atomized, not only the required sample volume is further reduced, but also the ultra-efficient atomization process improves the extraction efficiency and speed of organic matter, especially suitable for micro-biological samples Extraction and detection of volatile organic compounds.
(2)本实用新型同时具备水样中挥发性有机物的在线提取和离线提取两种功能。在线取样和离线取样可以根据需要选择使用,既可以在样品量较多时在线进样,也可以在样品量较少时,通过微量进样器取样的方式离线进样。(2) The utility model has two functions of on-line extraction and off-line extraction of volatile organic compounds in water samples. On-line sampling and off-line sampling can be used according to the needs, either online sampling when the sample volume is large, or offline sampling by micro-sampler sampling when the sample volume is small.
附图说明Description of drawings
图1为本实用新型的超声雾化提取水体中挥发性有机物的在线和离线检测装置示意图。Fig. 1 is a schematic diagram of an on-line and off-line detection device for extracting volatile organic compounds in water by ultrasonic atomization according to the present invention.
具体实施方式detailed description
如图1所示,为本实用新型一种超声雾化提取水体中挥发性有机物的在线和离线检测装置包括在线进样口1、离线进样口2、喷雾筒3、加热恒温套件4、挥发性有机物检测装置5、上微孔超声雾化片6和下微孔超声雾化片7;所述的在线进样口1包括液体进样接口8和液体出样接口9;所述喷雾筒3开有载气入口10和载气出口11;所述上微孔超声雾化片6密封压于离线进样口2与喷雾筒3之间;所述下微孔超声雾化片7密封压于在线进样口1与喷雾筒3之间;所述加热恒温套件4包裹在喷雾筒3周围;所述载气出口11与挥发性有机物检测装置5相连。上微孔超声雾化片6和下微孔超声雾化片7的四周边缘有密封垫片,分别被压在在线进样口1、离线进样口2与喷雾筒3之间。As shown in Figure 1, it is an on-line and off-line detection device for extracting volatile organic compounds in water by ultrasonic atomization of the utility model, which includes an on-line sample inlet 1, an off-line sample inlet 2, a spray tube 3, a heating constant temperature kit 4, a volatilization The organic matter detection device 5, the upper microporous ultrasonic atomizing sheet 6 and the lower microporous ultrasonic atomizing sheet 7; the online sampling port 1 includes a liquid sampling interface 8 and a liquid sampling interface 9; the spray tube 3 There is a carrier gas inlet 10 and a carrier gas outlet 11; the upper microporous ultrasonic atomization sheet 6 is sealed and pressed between the offline sample inlet 2 and the spray cylinder 3; the lower microporous ultrasonic atomization sheet 7 is sealed and pressed on Between the online sample inlet 1 and the spray tube 3; the heating thermostat kit 4 is wrapped around the spray tube 3; the carrier gas outlet 11 is connected with the volatile organic compound detection device 5. The upper microporous ultrasonic atomizing sheet 6 and the lower microporous ultrasonic atomizing sheet 7 have sealing gaskets on their surrounding edges, which are respectively pressed between the online sample inlet 1, the offline sample inlet 2 and the spray cylinder 3.
为了尽可能提高系统的响应速度,喷雾筒3的内径可在5mm~50mm范围内,高度可在50mm~400mm范围内;上微孔超声雾化片6和下微孔超声雾化片7对应直径可在5mm~50mm,其中间部位密布通透的微孔,微孔直径可在1μm~20μm,超声片厚度可在0.05mm~0.5mm;与液体进样接口8和液体出样接口9连接的管子内径应在0.05mm~5mm。In order to improve the response speed of the system as much as possible, the inner diameter of the spray tube 3 can be in the range of 5 mm to 50 mm, and the height can be in the range of 50 mm to 400 mm; the corresponding diameters of the upper microporous ultrasonic atomizing sheet 6 and the lower microporous ultrasonic atomizing sheet 7 It can be 5mm-50mm, the middle part is densely covered with transparent micropores, the diameter of the micropores can be 1μm-20μm, and the thickness of the ultrasonic sheet can be 0.05mm-0.5mm; it is connected with the liquid sampling port 8 and the liquid sampling port 9 The inner diameter of the pipe should be between 0.05mm and 5mm.
为了提高水的雾化效果,上微孔超声雾化片6和下微孔超声雾化片7的超声频率可在20kHz-300kHz。In order to improve the atomization effect of water, the ultrasonic frequency of the upper microporous ultrasonic atomizing sheet 6 and the lower microporous ultrasonic atomizing sheet 7 can be in the range of 20kHz-300kHz.
检测待测水样前,先测空白水样,一方面清洗系统,一方面获取系统本底信号。Before testing the water sample to be tested, measure the blank water sample first, on the one hand to clean the system, on the other hand to obtain the background signal of the system.
在线进样检测时,水样可从在线进样口1的液体进样接口8连续进入,流经下微孔超声雾化片7从液体出样接口9流出,给下微孔超声雾化片7通电工作后,与下微孔超声雾化片7接触的水样可通过微孔穿过下微孔超声雾化片7,在喷雾筒3内形成雾状,水样中挥发性有机物在喷雾筒3内快速与周围载气达到平衡,载气从载气入口10进入,携带提取出的挥发性有机物从载气出口11进入挥发性有机物检测装置5;During on-line sampling detection, the water sample can continuously enter from the liquid sampling interface 8 of the online sampling port 1, flow through the lower microporous ultrasonic atomizing sheet 7 and flow out from the liquid sample outlet 9, and feed the lower microporous ultrasonic atomizing sheet 7 After power on, the water sample in contact with the lower microporous ultrasonic atomizing sheet 7 can pass through the lower microporous ultrasonic atomizing sheet 7 through the micropores, and form a mist in the spray tube 3, and the volatile organic compounds in the water sample are sprayed The cylinder 3 quickly reaches equilibrium with the surrounding carrier gas, the carrier gas enters from the carrier gas inlet 10, and carries the extracted volatile organic compounds into the volatile organic compound detection device 5 from the carrier gas outlet 11;
离线进样检测时,可取微量水样滴于离线进样口2同侧的上微孔超声雾化片6表面,给上微孔超声雾化片6通电工作后,微量水样可穿过上微孔超声雾化片的微孔6,在喷雾筒3内形成雾状,水样中挥发性有机物在喷雾筒3内快速与周围载气达到平衡,载气从载气入口10进入,携带提取出的挥发性有机物从载气出口11进入挥发性有机物检测装置5。During off-line sample injection detection, a small amount of water sample can be dropped on the surface of the upper microporous ultrasonic atomizing sheet 6 on the same side as the offline sample inlet 2. After the upper microporous ultrasonic atomizing sheet 6 is energized, the trace water sample can pass through The micropores 6 of the microporous ultrasonic atomization sheet form a mist in the spray tube 3, and the volatile organic compounds in the water sample quickly reach equilibrium with the surrounding carrier gas in the spray tube 3, and the carrier gas enters from the carrier gas inlet 10 to carry and extract The released volatile organic compounds enter the volatile organic compound detection device 5 from the carrier gas outlet 11.
喷雾检测水样时,为了避免载气对挥发性有机物的稀释,从载气入口10通入载气流量在0~1L/min;待测水样检测完成后,为了快速去除残留的样气,从载气入口10通入1L/min~10L/min的载气快速冲洗喷雾筒3。When spray testing water samples, in order to avoid the dilution of volatile organic compounds by the carrier gas, the flow rate of the carrier gas is 0-1L/min from the carrier gas inlet 10; after the test of the water sample is completed, in order to quickly remove the residual sample gas 1L/min-10L/min carrier gas is passed through the carrier gas inlet 10 to quickly flush the spray tube 3 .
为了防止喷雾筒3的壁材料吸附和本底干扰,喷雾筒3可以是低吸附性的聚四氟乙烯材料或玻璃材料,并且喷雾筒3外部要有加热恒温套件4的包裹,维持喷雾筒3内恒温并且温度可调节。加热恒温套件4可以是包含电热线和保温棉的柔性筒状或片状材料,方便包裹捆扎在喷雾筒3外侧。In order to prevent the wall material adsorption and background interference of the spray tube 3, the spray tube 3 can be made of low-adsorption polytetrafluoroethylene material or glass material, and the outside of the spray tube 3 must be wrapped with a heating thermostat kit 4 to maintain the spray tube 3 Internal constant temperature and adjustable temperature. The heating and constant temperature kit 4 can be a flexible tube or sheet material that includes heating wires and thermal insulation cotton, which is conveniently wrapped and bundled on the outside of the spray tube 3 .
与载气出口11相连的挥发性有机物检测装置5,可以是挥发性有机物检测的质谱装置、光谱装置和传感器等。The volatile organic compound detection device 5 connected to the carrier gas outlet 11 may be a mass spectrometry device, a spectroscopic device, a sensor, etc. for volatile organic compound detection.
本实用新型说明书未详细阐述部分属于本领域公知技术。The part not elaborated in the description of the utility model belongs to the known technology in the art.
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Cited By (4)
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CN105181419A (en) * | 2015-10-22 | 2015-12-23 | 中国科学院合肥物质科学研究院 | Online and offline detection device and detection method for extracting volatile organic compounds in water body by ultrasonic atomization |
CN107238653A (en) * | 2017-05-25 | 2017-10-10 | 中国科学院合肥物质科学研究院 | Ultrasonic atomizatio extracts the Mass Spectrometer Method device and method of nonvolatile organic compound in water |
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CN105181419A (en) * | 2015-10-22 | 2015-12-23 | 中国科学院合肥物质科学研究院 | Online and offline detection device and detection method for extracting volatile organic compounds in water body by ultrasonic atomization |
CN105181419B (en) * | 2015-10-22 | 2017-11-17 | 中国科学院合肥物质科学研究院 | The online and offline detection means and detection method of volatile organic matter in a kind of ultrasonic atomizatio extraction water body |
CN107238653A (en) * | 2017-05-25 | 2017-10-10 | 中国科学院合肥物质科学研究院 | Ultrasonic atomizatio extracts the Mass Spectrometer Method device and method of nonvolatile organic compound in water |
CN107238653B (en) * | 2017-05-25 | 2019-07-12 | 中国科学院合肥物质科学研究院 | Mass spectrometry detection device and method for extraction of non-volatile organic compounds in water by ultrasonic atomization |
CN112086339A (en) * | 2019-06-13 | 2020-12-15 | 中国科学院大连化学物理研究所 | Ultrasonic atomization sample injector for ion mobility spectrometry |
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CN113189458A (en) * | 2021-04-28 | 2021-07-30 | 中国烟草总公司郑州烟草研究院 | Ultrasonic atomization corona discharge mass spectrum device for researching droplet interface reaction |
CN113189458B (en) * | 2021-04-28 | 2024-04-30 | 中国烟草总公司郑州烟草研究院 | Ultrasonic atomization corona discharge mass spectrum device for researching liquid drop interface reaction |
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