CN104819885A - Thermal analysis device of elemental mercury in gold amalgam adsorption tube - Google Patents

Thermal analysis device of elemental mercury in gold amalgam adsorption tube Download PDF

Info

Publication number
CN104819885A
CN104819885A CN201510242047.3A CN201510242047A CN104819885A CN 104819885 A CN104819885 A CN 104819885A CN 201510242047 A CN201510242047 A CN 201510242047A CN 104819885 A CN104819885 A CN 104819885A
Authority
CN
China
Prior art keywords
power supply
heating power
mercury
aluminium sheet
thermal analysis
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201510242047.3A
Other languages
Chinese (zh)
Inventor
毛宇翔
麻冰涓
程柳
邢明飞
李艳利
黄兴宇
田采霞
邰超
张东
李卫国
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Henan University of Technology
Original Assignee
Henan University of Technology
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Henan University of Technology filed Critical Henan University of Technology
Priority to CN201510242047.3A priority Critical patent/CN104819885A/en
Publication of CN104819885A publication Critical patent/CN104819885A/en
Pending legal-status Critical Current

Links

Abstract

The invention discloses a thermal analysis device of elemental mercury in a gold amalgam adsorption tube. The thermal analysis device comprises a flow meter, a thermal analysis device body, a cooling device and a housing, wherein the thermal analysis device body is composed of four parts including a heating coil, a heating power supply, a heating switch and a heating power supply voltage regulator, and the cooling device is composed of a direct-current power supply, a cooling fan and a rocker switch. Compared with a device with similar functions, the thermal analysis device has the advantages of simple structure, convenience in operation, safety, reliability and low cost, carrier gas flow control, the thermal analysis device body and the cooling device are integrated, so that the thermal analysis and sampling operation of the elemental mercury are greatly simplified, the experimental efficiency is greatly improved, and on-line use together with various mercury detectors can be realized, and compared with the prior art, the thermal analysis device is extremely low in cost.

Description

The thermal analysis apparatus of element mercury in gold amalgam adsorption tube
Technical field
The present invention relates to a kind of chemical analysis apparatus, particularly relate to the thermal analysis apparatus of element mercury in a kind of gold amalgam adsorption tube.
Background technology
Mercury and mercuric compounds has very strong toxicity to the mankind, and their content in all kinds of surrounding medium has clear stipulaties and strict restriction.In current environmental sample, the mensuration of mercury mainly contains cold atomic absorption spectrometry (CVAAS), atomic fluorescence spectrometry (AFS) and dithizone-extraction spectrophotometric method (DSPM) etc., this several method all needs to carry out heating and decompose with acid to sample, complex operation is time-consuming, also can cause the volatilization loss of mercury, bring pollution, sensitivity is also lower.
For improving the sensitivity for Environmental Trace sclera remodeling method, purge and trap technology is promoted gradually and is come.First mercury compound in sample is oxidized to bivalent mercury by the method, then adopts boron potassium cyanide or Reduction with Stannous Chloride to be element mercury, uses nitrogen to be purged out from solution by element mercury, and adopts the element mercury in gold amalgam adsorbed gas.Gold amalgam adsorption tube is when heating, and element mercury is resolved, and is brought into mercury atom fluorescence detector, complete detection by carrier gas.
The thermal analysis apparatus of the element mercury of prior art is expensive, and is an ingredient of set of equipments, can not dismantle and control separately, thus cannot realize the coupling with miscellaneous equipment.
Summary of the invention
Technical matters to be solved by this invention is by carrier gas flux control, adds thermal analysis apparatus and cooling device integration, can realize easily and the online use of all kinds of checkout equipment as icp ms (ICP-MS), atomic fluorescence spectrometer (AFS) etc., structure is simple, easy to operate, the Thermal desorption of element mercury and sample introduction operation are simplified greatly, improve conventional efficient, and it is safe and reliable, simultaneously compared with the device of similar function, this apparatus cost is extremely cheap.
The technical scheme that the present invention takes for technical solution problem is: the thermal desorption sampling device of element mercury in a kind of gold amalgam adsorption tube, comprises flowmeter, thermal analysis apparatus, cooling device and shell;
Flowmeter is arranged on anterior aluminium sheet, and lower end connects PFA gas piping through after anterior aluminium sheet, then through rear portion aluminium sheet, crosses wall interface and connect PFA gas piping, be then connected with argon bottle by Teflon;
Described thermal analysis apparatus comprises heater coil, heating power supply, heater switch and heating power supply voltage regulator, and wherein, heater switch is single two countdown switch.
Described cooling device comprises direct supply, cooling fan and rocker switch, and wherein, cooling fan is turbine electric fan;
The upper end of flowmeter connects PFA gas piping through after anterior aluminium sheet, then through side aluminium sheet, crosses wall interface and connects PFA gas piping, then be connected with Using Gold Coated Quartz Sand as Adsorbent pipe by Teflon; Using Gold Coated Quartz Sand as Adsorbent pipe is by two the adsorption tube support supports of both sides, base plate front end being fixed on thermal analysis apparatus;
Thermal desorption sampling device is separated into upper chamber and lower chambers by central dividing plate; In upper chamber, dividing plate is installed cooling fan and direct supply, install a rocker switch controlled cooling model fan on the top board top of thermal desorption sampling device, cooling fan connects rocker switch and direct supply respectively;
In lower chambers, base plate is installed heating power supply and heating power supply voltage regulator, two electric wires are drawn in heating power supply voltage regulator one end, pass from the anterior aluminium sheet of thermal desorption sampling device and connect heater coil, the heating power supply voltage regulator other end is connected with heating power supply, heating power supply voltage regulator has a knob, through thermal desorption sampling device side aluminium sheet, for regulating heating power supply voltage;
Heating power supply draws again two electric wires, through central dividing plate, be connected with the heater switch being positioned at device top through top aluminium sheet, then drawing after two electric wires are connected with fan power supply from heater switch again becomes a line again, draws as wire and plug from thermal desorption sampling device rear portion aluminium sheet.
Present invention also offers a kind of thermal desorption sampling device of element mercury in gold amalgam adsorption tube that utilizes and carry out method for measuring, it is characterized in that comprising the steps:
Step 1, open argon bottle, argon gas enters flowmeter lower end through PFA gas piping, and adjust flux meter knob makes argon flow amount control at 35mL/min;
Step 2, from flowmeter upper end flow out enter through PFA gas piping the Using Gold Coated Quartz Sand as Adsorbent pipe being enriched element mercury, adsorption tube overcoat heater coil, the temperature of heater coil is by heater switch and heating power supply voltage regulator co-controlling, by arranging the heater switch time, regulate heating power supply voltage regulator knob, coil temperature is made to control at 450 DEG C ~ 500 DEG C, thus ensure that the mercury element in Using Gold Coated Quartz Sand as Adsorbent pipe is resolved completely, and ensure that the chromatographic peak shape of total mercury is symmetrical Gaussian distribution;
Step 3, after heating-up temperature reaches design temperature, heater stop work, opens fan rocker switch, starting fan, cools fast, can start the test job of a new round after cooling to the Using Gold Coated Quartz Sand as Adsorbent pipe of high temperature; Air-flow after this thermal desorption sampling device directly enters atomic fluorescence spectrometer (AFS) or icp ms (ICP-MS), can complete the test job of element mercury
The invention has the beneficial effects as follows:
Carrier gas flux controls by the present invention, add thermal analysis apparatus and cooling device integration, can easily with the online use of each eka-mercury detecting device, structure is simple, easy to operate, the Thermal desorption of element mercury and sample introduction operation are simplified greatly, improves conventional efficient, and safe and reliable, simultaneously compared with the device of similar function, this apparatus cost is extremely cheap.
Accompanying drawing explanation
Fig. 1 is inner side pipeline schematic diagram of the present invention;
Fig. 2 is inside top pipeline schematic diagram of the present invention;
Fig. 3, Fig. 4 and Fig. 5 are respectively the surface structure schematic diagram at front, side and the back side.
Wherein: 1-heater coil, 2-heating power supply, 3-heater switch, 4-heating power supply voltage regulator, 5-direct supply, 6-cooling fan, 7-rocker switch, 8-flowmeter, 9-flowmeter knob, 10-heating power supply voltage regulator knob, the anterior aluminium sheet of 11-, 12-rear portion aluminium sheet, 13-central dividing plate, 14-side aluminium sheet, 15-device top board, 16-device base plate, 17-shell, the Teflon that 18-connects argon gas pipeline crosses wall interface, the Teflon that 19-connects argon gas pipeline crosses wall interface, 20-PFA gas piping, 21-Using Gold Coated Quartz Sand as Adsorbent pipe, 22-adsorption tube support, 23-electric wire, 24-wire and plug.
Specific implementation method
Below in conjunction with accompanying drawing 1-5, technical scheme of the present invention is described further.
As Figure 1-5, the invention provides the thermal desorption sampling device of element mercury in a kind of gold amalgam adsorption tube, comprise flowmeter 8, thermal analysis apparatus, cooling device and shell 17, described thermal analysis apparatus comprises heater coil 1, heating power supply 2, heater switch 3 and heating power supply voltage regulator 4, wherein, heater switch 3 is single two countdown switch.Described cooling device comprises direct supply 5, cooling fan 6 and rocker switch 7, and wherein, cooling fan 6 is turbine electric fan (12 volts, 1.0 peaces).
Described flowmeter 8 is spinner-type flowmeter, argon flow amount can be regulated by flowmeter knob 9, flowmeter 8 is arranged on the anterior aluminium sheet 11 of thermal desorption sampling device of element mercury in gold amalgam adsorption tube, lower end connects 1/8 inch of PFA gas piping 20 through after anterior aluminium sheet 11, then through the thermal desorption sampling device rear portion aluminium sheet 12 of element mercury in gold amalgam adsorption tube, cross wall interface 19 by Teflon and connect 1/8 inch of PFA gas piping 20, be then connected with argon bottle.
The upper end of flowmeter 8 connects 1/8 inch of PFA gas piping 20 through after anterior aluminium sheet 11, then through the thermal desorption sampling device side aluminium sheet 14 of element mercury in gold amalgam adsorption tube, cross wall interface 18 by Teflon and connect 1/8 inch of PFA gas piping 20, then be connected with Using Gold Coated Quartz Sand as Adsorbent pipe 21 (silica wool is filled at these adsorption tube two ends, the gold-plated silica sand of central filler).Using Gold Coated Quartz Sand as Adsorbent pipe 21 is by two adsorption tube support 22 supports being fixed on both sides, device base plate front end.
In gold amalgam adsorption tube, the thermal desorption sampling device of element mercury is separated into upper chamber and lower chambers by central dividing plate 13 (1.5mm aluminium sheet).In upper chamber, dividing plate 13 is installed cooling fan 6 and direct supply 5, in gold amalgam adsorption tube, a rocker switch 7 controlled cooling model fan 6 is installed on thermal desorption sampling device top board 15 top of element mercury, and cooling fan 6 connects rocker switch 7 and direct supply 5 respectively.In lower chambers, base plate 16 is installed heating power supply 2 and heating power supply voltage regulator 4, two electric wires 23 are drawn in heating power supply voltage regulator 4 one end, from gold amalgam adsorption tube, the anterior aluminium sheet 11 of the thermal desorption sampling device of element mercury passes, connect heater coil 1, the other end is connected with heating power supply 2, and heating power supply voltage regulator 4 has a knob 10, through the thermal desorption sampling device side aluminium sheet 14 of element mercury in gold amalgam adsorption tube, for regulating heating power supply voltage.Heating power supply draws again two electric wires 23, through central dividing plate 13, be connected with the heater switch 3 being positioned at device top through top aluminium sheet 15 again, then draw after two electric wires 23 are connected with fan power supply from heater switch 3 again and become a line, draw as wire and plug 24 from device rear portion aluminium sheet 12.
When carrying out the experiment of element mercury assay, carry out according to following steps:
Step 1, open argon bottle, argon gas enters flowmeter 8 lower end through 1/8 inch of PFA gas piping 20, and adjust flux meter knob 9 makes argon flow amount control at 35mL/min;
Step 2, flow out from flowmeter 8 upper end and enter through 1/8 inch of PFA gas piping 20 the Using Gold Coated Quartz Sand as Adsorbent pipe 21 being enriched element mercury, adsorption tube 21 overcoat heater coil 1, the temperature of heater coil is by heater switch 7 and heating power supply voltage regulator 4 co-controlling, by arranging the heater switch time (time is fixed as 1 minute), regulate heating power supply voltage regulator knob 10, coil temperature is made to control at 450 DEG C ~ 500 DEG C, such setting can ensure that the mercury element in Using Gold Coated Quartz Sand as Adsorbent pipe is resolved completely, can ensure that again the chromatographic peak shape of total mercury is symmetrical Gaussian distribution.
Step 3, after heating-up temperature reaches design temperature (450 DEG C ~ 500 DEG C), heater stop works, and opens fan rocker switch 7, starting fan, the Using Gold Coated Quartz Sand as Adsorbent pipe 21 of high temperature is cooled fast, the test job of a new round after cooling, can be started.Air-flow after this device directly enters atomic fluorescence detector (AFS) or icp ms (ICP-MS), can complete the test job of element mercury.
Although describe in detail invention has been in conjunction with example; but those skilled in the art are with being to be understood that; the present invention is not limited only to specific embodiment; on the contrary; do not exceeding the various corrections of the application's spirit and essence, distortion and replacement all drop among the protection domain of the application.

Claims (3)

1. the thermal desorption sampling device of element mercury in gold amalgam adsorption tube, comprises flowmeter (8), thermal analysis apparatus, cooling device and shell (17);
Flowmeter (8) is arranged on anterior aluminium sheet (11), lower end connects PFA gas piping (20) afterwards through anterior aluminium sheet (11), again through rear portion aluminium sheet (12), cross wall interface (19) by Teflon and connect PFA gas piping (20), be then connected with argon bottle;
Described thermal analysis apparatus comprises heater coil (1), heating power supply (2), heater switch (3) and heating power supply voltage regulator (4), wherein, heater switch (3) is single two countdown switch.
Described cooling device comprises direct supply (5), cooling fan (6) and rocker switch (7), and wherein, cooling fan (6) is turbine electric fan;
The upper end of flowmeter (8) connects PFA gas piping (20) afterwards through anterior aluminium sheet (11), then through the side aluminium sheet (14) of shell, cross wall interface (18) by Teflon and connect PFA gas piping (20), then be connected with Using Gold Coated Quartz Sand as Adsorbent pipe (21); Using Gold Coated Quartz Sand as Adsorbent pipe (21) is by two adsorption tube support (22) supports of both sides, base plate front end being fixed on thermal analysis apparatus;
Thermal desorption sampling device is separated into upper chamber and lower chambers by central dividing plate (13); In upper chamber, dividing plate (13) is installed cooling fan (6) and direct supply (5), install a rocker switch (7) controlled cooling model fan (6) on top board (15) top of thermal desorption sampling device, cooling fan (6) connects rocker switch (7) and direct supply (5) respectively;
In lower chambers, base plate (16) is installed heating power supply (2) and heating power supply voltage regulator (4), two electric wires (23) are drawn in heating power supply voltage regulator (4) one end, pass from the anterior aluminium sheet (11) of thermal desorption sampling device and connect heater coil (1), heating power supply voltage regulator (4) other end is connected with heating power supply (2), heating power supply voltage regulator (4) has a knob (10), through thermal desorption sampling device side aluminium sheet (14), for regulating heating power supply voltage;
Heating power supply (2) draws again two electric wires (23), through central dividing plate (13), be connected with the heater switch (3) being positioned at device top through top aluminium sheet (15) again, then draw after two electric wires (23) are connected with fan power supply from heater switch (3) again and become a line, draw as wire and plug (24) from thermal desorption sampling device rear portion aluminium sheet (12).
2. the thermal desorption sampling device of element mercury in gold amalgam adsorption tube according to claim 1, is characterized in that: described flowmeter (8) is spinner-type flowmeter, regulates argon flow amount by flowmeter knob (9).
3. adopt the thermal desorption sampling device of element mercury in gold amalgam adsorption tube described in claim 1 to carry out method for measuring, it is characterized in that comprising the steps:
Step 1, open argon bottle, argon gas enters flowmeter (8) lower end through PFA gas piping (20), and adjust flux meter knob (9) makes argon flow amount control at 35mL/min;
Step 2, flow out from flowmeter (8) upper end and enter through PFA gas piping (20) the Using Gold Coated Quartz Sand as Adsorbent pipe (21) being enriched element mercury, adsorption tube (21) overcoat heater coil (1), the temperature of heater coil is by heater switch (7) and heating power supply voltage regulator (4) co-controlling, by arranging the heater switch time, regulate heating power supply voltage regulator knob (10), coil temperature is made to control at 450 DEG C ~ 500 DEG C, thus ensure that the mercury element in Using Gold Coated Quartz Sand as Adsorbent pipe is resolved completely, and ensure that the chromatographic peak shape of total mercury is symmetrical Gaussian distribution,
Step 3, after heating-up temperature reaches design temperature, heater stop works, and opens fan rocker switch (7), starting fan, the Using Gold Coated Quartz Sand as Adsorbent pipe (21) of high temperature is cooled fast, the test job of a new round after cooling, can be started; Air-flow after this thermal desorption sampling device directly enters atomic fluorescence spectrometer or icp ms, can complete the test job of element mercury.
CN201510242047.3A 2015-05-13 2015-05-13 Thermal analysis device of elemental mercury in gold amalgam adsorption tube Pending CN104819885A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201510242047.3A CN104819885A (en) 2015-05-13 2015-05-13 Thermal analysis device of elemental mercury in gold amalgam adsorption tube

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201510242047.3A CN104819885A (en) 2015-05-13 2015-05-13 Thermal analysis device of elemental mercury in gold amalgam adsorption tube

Publications (1)

Publication Number Publication Date
CN104819885A true CN104819885A (en) 2015-08-05

Family

ID=53730244

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201510242047.3A Pending CN104819885A (en) 2015-05-13 2015-05-13 Thermal analysis device of elemental mercury in gold amalgam adsorption tube

Country Status (1)

Country Link
CN (1) CN104819885A (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105699160A (en) * 2016-01-18 2016-06-22 贵州师范大学 Method and device for removing trace mercury in carrier gas
CN106644664A (en) * 2017-01-06 2017-05-10 中国海洋大学 Thermal desorption-gas phase separation-thermal pyrolysis system based on phenylated derived organic mercury
CN106644994A (en) * 2016-12-21 2017-05-10 南京大学 Method for detecting inorganic mercury and organic mercury in water by solid-phase extraction-mercury analyzer
CN109425648A (en) * 2017-08-28 2019-03-05 瑞湾科技(珠海)有限公司 A kind of sample analysis method and device of fast pyrogenation analysis sample introduction
CN110864946A (en) * 2019-11-13 2020-03-06 清华大学 Device and method for measuring mercury content in flue gas
CN112578018A (en) * 2020-11-24 2021-03-30 广东电网有限责任公司电力科学研究院 Novel device and method for testing decomposition and composite characteristics of environment-friendly insulating gas

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1057905A (en) * 1990-07-04 1992-01-15 地质矿产部航空物探遥感中心 Atomic absorption portable mercury measuring instrument
CN2773662Y (en) * 2005-03-18 2006-04-19 曾建强 Ageing furnace of pyrolyzing tube
CN1776405A (en) * 2005-11-18 2006-05-24 北京大学 On-line atmospheric mercury analyzer
JP2006177870A (en) * 2004-12-24 2006-07-06 Furukawa Sky Kk Apparatus and method for analyzing heat of heat exchanger, and program for making computer execute the method
CN102590153A (en) * 2012-01-16 2012-07-18 青岛佳明测控仪器有限公司 Device and method for quantitatively analyzing total mercury of atmosphere/smoke based on low-temperature plasma
JP2014089130A (en) * 2012-10-31 2014-05-15 Kyoto Electron Mfg Co Ltd Mercury concentration measurement device
CN104713966A (en) * 2015-03-23 2015-06-17 河南理工大学 Thermal desorption and sampling device for methyl mercury

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1057905A (en) * 1990-07-04 1992-01-15 地质矿产部航空物探遥感中心 Atomic absorption portable mercury measuring instrument
JP2006177870A (en) * 2004-12-24 2006-07-06 Furukawa Sky Kk Apparatus and method for analyzing heat of heat exchanger, and program for making computer execute the method
CN2773662Y (en) * 2005-03-18 2006-04-19 曾建强 Ageing furnace of pyrolyzing tube
CN1776405A (en) * 2005-11-18 2006-05-24 北京大学 On-line atmospheric mercury analyzer
CN102590153A (en) * 2012-01-16 2012-07-18 青岛佳明测控仪器有限公司 Device and method for quantitatively analyzing total mercury of atmosphere/smoke based on low-temperature plasma
JP2014089130A (en) * 2012-10-31 2014-05-15 Kyoto Electron Mfg Co Ltd Mercury concentration measurement device
CN104713966A (en) * 2015-03-23 2015-06-17 河南理工大学 Thermal desorption and sampling device for methyl mercury

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
郑伟等: "两次金汞齐- 冷原子荧光光谱法测定大气中的痕量气态总汞", 《地球与环境》 *

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105699160A (en) * 2016-01-18 2016-06-22 贵州师范大学 Method and device for removing trace mercury in carrier gas
CN106644994A (en) * 2016-12-21 2017-05-10 南京大学 Method for detecting inorganic mercury and organic mercury in water by solid-phase extraction-mercury analyzer
CN106644664A (en) * 2017-01-06 2017-05-10 中国海洋大学 Thermal desorption-gas phase separation-thermal pyrolysis system based on phenylated derived organic mercury
CN106644664B (en) * 2017-01-06 2019-05-10 中国海洋大学 One kind is based on the derivative organic mercury Thermal desorption-gas phase separation-thermal splitting system of phenylating
CN109425648A (en) * 2017-08-28 2019-03-05 瑞湾科技(珠海)有限公司 A kind of sample analysis method and device of fast pyrogenation analysis sample introduction
CN110864946A (en) * 2019-11-13 2020-03-06 清华大学 Device and method for measuring mercury content in flue gas
CN112578018A (en) * 2020-11-24 2021-03-30 广东电网有限责任公司电力科学研究院 Novel device and method for testing decomposition and composite characteristics of environment-friendly insulating gas

Similar Documents

Publication Publication Date Title
CN104819885A (en) Thermal analysis device of elemental mercury in gold amalgam adsorption tube
Duben et al. Dielectric barrier discharge plasma atomizer for hydride generation atomic absorption spectrometry—Performance evaluation for selenium
Liu et al. Dielectric barrier discharge-plasma induced vaporization and its application to the determination of mercury by atomic fluorescence spectrometry
CN106769926A (en) Copper, cadmium in a kind of detection tea oil, the method for lead
CN104713966B (en) Methyl mercury thermal desorption sampling device
Fedyunina et al. Determination of rare earth elements in rock samples by inductively coupled plasma mass-spectrometry after sorption preconcentration using Pol-DETATA sorbent
CN203534972U (en) Atomic emission spectrum analysis device based on electric heating evaporation-dielectric barrier discharge
Kratzer et al. Hydride generation–in-atomizer collection of Pb in quartz tube atomizers for atomic absorption spectrometry–a 212 Pb radiotracer study
Hong-Jing et al. Determination of trace inorganic mercury in mineral water by flow injection on-line sorption preconcentration-cold vapor atomic fluorescence spectrometry
CN202159044U (en) Combined system of gas chromatography and atomic emission spectrum detector
CN104458974B (en) A kind of pretreating device and method for gas chromatography determination trace hydrogen phosphide
CN106644664B (en) One kind is based on the derivative organic mercury Thermal desorption-gas phase separation-thermal splitting system of phenylating
CN206431100U (en) A kind of gas phase spectrometer
CN105784887A (en) Ageing device for thermal desorption pipes and ageing method thereof
Novotný et al. Hydride generation–in-atomizer collection of Pb in a quartz trap-and-atomizer device for atomic absorption spectrometry–an interference study
CN104237371A (en) Simple device for realizing real-time direct injection analysis of mass spectrometer and application of simple device
Guo et al. Separation and continuous determination of the light rare earth elements and thorium in Baotou Iron Ore by a micro-column
CN206459962U (en) Binary channels principal column mercury thermal desorption device
CN206504968U (en) VOCs adsorption/desorptions test device and VOCs measuring systems
JP2017058284A (en) Breathing analyzing device
CN206505053U (en) Directly heat capillary chromatography column device and the post case with the device
CN104391075A (en) Element-analyzer-based online regeneration test method of filler for carbon and nitrogen analysis of organic matter
CN204649699U (en) Detection system
CN106442811B (en) Based on the derivative methyl mercury Thermal desorption-gas phase separation-thermal splitting system that ethylizes
US4803051A (en) Atomic spectrometer apparatus

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
EXSB Decision made by sipo to initiate substantive examination
SE01 Entry into force of request for substantive examination
CB03 Change of inventor or designer information
CB03 Change of inventor or designer information

Inventor after: Ma Bingjuan

Inventor after: Zhang Dong

Inventor after: Li Weiguo

Inventor after: Geng Yuanmeng

Inventor after: Xing Mingfei

Inventor after: Mao Yuxiang

Inventor after: Cheng Liu

Inventor after: Li Yanli

Inventor after: Huang Xingyu

Inventor after: Tian Caixia

Inventor after: Tai Chao

Inventor before: Mao Yuxiang

Inventor before: Li Weiguo

Inventor before: Ma Bingjuan

Inventor before: Cheng Liu

Inventor before: Xing Mingfei

Inventor before: Li Yanli

Inventor before: Huang Xingyu

Inventor before: Tian Caixia

Inventor before: Tai Chao

Inventor before: Zhang Dong

Inventor after: Ma Bingjuan

Inventor after: Zhang Dong

Inventor after: Li Weiguo

Inventor after: Geng Yuanmeng

Inventor after: Xing Mingfei

Inventor after: Mao Yuxiang

Inventor after: Cheng Liu

Inventor after: Li Yanli

Inventor after: Huang Xingyu

Inventor after: Tian Caixia

Inventor after: Tai Chao

Inventor before: Mao Yuxiang

Inventor before: Li Weiguo

Inventor before: Ma Bingjuan

Inventor before: Cheng Liu

Inventor before: Xing Mingfei

Inventor before: Li Yanli

Inventor before: Huang Xingyu

Inventor before: Tian Caixia

Inventor before: Tai Chao

Inventor before: Zhang Dong

RJ01 Rejection of invention patent application after publication
RJ01 Rejection of invention patent application after publication

Application publication date: 20150805