CN204389395U - Hydrogen Controlling Device is supplied for the outer of hydrogen NITRATE BY FLAME ATOMIC fluorescence spectrophotometer - Google Patents

Hydrogen Controlling Device is supplied for the outer of hydrogen NITRATE BY FLAME ATOMIC fluorescence spectrophotometer Download PDF

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Publication number
CN204389395U
CN204389395U CN201420636056.1U CN201420636056U CN204389395U CN 204389395 U CN204389395 U CN 204389395U CN 201420636056 U CN201420636056 U CN 201420636056U CN 204389395 U CN204389395 U CN 204389395U
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China
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hydrogen
generator
hydride
reductive agent
bucket
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Expired - Fee Related
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CN201420636056.1U
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Chinese (zh)
Inventor
张勤
于兆水
李文阁
魏建山
赵志华
李可
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Katyuan Langfang High-Tech Development Co
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Katyuan Langfang High-Tech Development Co
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Abstract

The utility model discloses a kind of outer confession Hydrogen Controlling Device for hydrogen NITRATE BY FLAME ATOMIC fluorescence spectrophotometer, comprise hydrogen generator/hydrogen gas cylinder, reductive agent bucket, cleaning bucket, hydride generator, atomizer, three-way pipe and time schedule controller, hydrogen is incorporated in atomizer quartz ampoule and forms stable hydrogen flame, thus greatly reduce KBH 4the acid concentration of solution and reaction medium, effective reduction measures blank and sound emission, obviously improves measuring detection limit and stability.Pure, stable hydrogen is provided to hydrogen NITRATE BY FLAME ATOMIC fluorescence spectrophotometer with hydrogen generator or hydrogen gas cylinder, the hydrogen making instrument no longer rely on chemical reaction to produce is lighted and is maintained hydrogen flame, therefore occur to generate hydride under can be implemented in any ambient condition, thus carry out the direct mensuration of the different valence state of Partial Elements.

Description

Hydrogen Controlling Device is supplied for the outer of hydrogen NITRATE BY FLAME ATOMIC fluorescence spectrophotometer
Technical field
The utility model relates to atomic Fluorescence Spectrometry To The Analysis field tests, particularly relates to a kind of outer confession Hydrogen Controlling Device for hydrogen NITRATE BY FLAME ATOMIC fluorescence spectrophotometer.
Background technology
Gas Generation-Atomic Fluorescence Spectrometry is a kind of Combined techniques, has developed Analytical Methods of Trace faster since it is the eighties in last century in China, a kind of instrument analytical method that the department such as current geology, metallurgy, health, environmental protection and industry are comparatively conventional.Gas Generation-Atomic Fluorescence Spectrometry has concentrated the feature of hydride/mercury generation technique and the simple atomic fluorescence of zero dispersion spectrometer of structure, utilize gas generation technique that element to be measured is separated with most matrix element, the hydride generated can in hydrogen flame efficient atomization, hydrogen flame itself has very high fluorescence efficiency and lower background, all elements of formation hydride and the wavelength of fluorescence of mercury are positioned at ultraviolet region, adopt solar blind light electricity times device to realize the high-sensitivity measurement of atomic fluorescence of zero dispersion spectroscopic methodology.Above feature makes the elements such as gas Generation-Atomic Fluorescence Spectrometry mensuration As, Sb, Bi, Se, Te, Pb, Sn, Ge and Hg have extremely low detection limit, be the best approach measuring trace and this dvielement of ultratrace in all kinds of sample, there is the advantages such as highly sensitive, measurement range is wide, analysis speed is fast.
The gas generating process of gas generation-atomic fluorescence spectrometer is the KBH by adding enough high concentrations 4solution, in acid solution, while generation element hydrogen compound to be determined, must produce the hydrogen of q.s, forms hydrogen flame, realize the efficient atomization of hydride, carry out hydrogen flame atomic fluorescence spectrometry mensuration to be lighted at the atomizer quartz mouth of pipe.The KBH for this reason added 4the concentration of solution and acid solution is high and consumption is large, measure blank meeting higher, and the hydrogen produced is non-constant in mensuration process, the hydrogen flame holding formed is poor, hydroperoxyl radical concentration in hydrogen flame, also in change, will affect the performance index such as the mensuration sensitivity of atomic fluorescence spectrometer, detection limit and precision.
Utility model content
For solving the problems of the technologies described above, the utility model provides a kind of and supplies Hydrogen Controlling Device for the outer of hydrogen NITRATE BY FLAME ATOMIC fluorescence spectrophotometer.High-purity hydrogen, three-way pipe and time schedule controller is provided to realize outer hydrogen supply pneumatic control technology by adopting hydrogen generator or hydrogen gas cylinder.Hydrogen is incorporated in atomizer quartz ampoule and forms stable hydrogen flame, thus greatly reduce KBH 4the acid concentration of solution and reaction medium, effective reduction measures blank and sound emission, obviously improves measuring detection limit and stability.Pure, stable hydrogen is provided to hydrogen NITRATE BY FLAME ATOMIC fluorescence spectrophotometer with hydrogen generator/hydrogen gas cylinder, the hydrogen making instrument no longer rely on chemical reaction to produce is lighted and is maintained hydrogen flame, therefore occur to generate hydride under can be implemented in any ambient condition, thus carry out the direct mensuration of the different valence state of Partial Elements.
Outer confession Hydrogen Controlling Device for hydrogen NITRATE BY FLAME ATOMIC fluorescence spectrophotometer of the present utility model, comprises hydrogen generator, reductive agent bucket, cleaning bucket, hydride generator, atomizer.Described reductive agent bucket and cleaning bucket comprise input port and delivery outlet respectively, the input port of described reductive agent bucket is respectively used to be communicated with the noble gas source of outside with the input port of cleaning bucket, described hydride generator comprises reductive agent entrance, clear water entrance, inert gas entrance, sample inlet, hydride gas outlet and waste liquid escape hole, the reductive agent entrance of described hydride generator is communicated with the delivery outlet of reductive agent bucket, hydride generator clear water entrance with cleaning bucket delivery outlet be communicated with, the sample inlet of hydride generator is for inputting sample, the waste liquid escape hole of hydride generator is used for effluent discharge, the inert gas entrance of hydride generator is communicated with outside noble gas source, described atomizer comprises Quartz stove tube, the described outer Hydrogen Controlling Device that supplies for hydrogen NITRATE BY FLAME ATOMIC fluorescence spectrophotometer also comprises hydrogen generator and three-way pipe, described hydrogen generator is for generation of hydrogen, hydrogen generator comprises hydrogen gas outlet, described three-way pipe comprises three mouths of pipe, three mouths of pipe of three-way pipe respectively with the hydrogen gas outlet of hydrogen generator, the hydride outlet of hydride generator, the Quartz stove tube of atomizer is communicated with.
Further, described noble gas source comprises argon gas steel cylinder and reduction valve, the input port of described reduction valve is communicated with the delivery outlet of argon gas steel cylinder, and the delivery outlet of reduction valve is communicated with the input port of reductive agent bucket, the inert gas entrance of input port and hydride generator that cleans bucket respectively.
Further, the first solenoid valve is provided with between the delivery outlet of described reductive agent bucket and the reductive agent entrance of hydride generator, the second solenoid valve is provided with between the delivery outlet of described cleaning bucket and the clear water entrance of hydride generator, the 3rd solenoid valve is provided with between the hydrogen gas outlet of described hydrogen generator and three-way pipe, described hydrogen NITRATE BY FLAME ATOMIC fluorescence spectrophotometer also comprises time schedule controller with outer for Hydrogen Controlling Device, described time schedule controller respectively with the control end of the first solenoid valve, the control end of the second solenoid valve and the control end electrical connection of the 3rd solenoid valve, described time schedule controller is for controlling the first solenoid valve, the break-make of the second solenoid valve and the 3rd solenoid valve.
Further, also comprise first-class gauge and second gauge, described first-class gauge is arranged between the hydrogen gas outlet of hydrogen generator and three-way pipe, and one end of described second gauge is communicated with inert gas entrance, and the other end of second gauge can be communicated with the noble gas source of outside.
Compared with prior art the beneficial effects of the utility model are: hydrogen, by introducing hydrogen generator, three-way pipe and time schedule controller, is incorporated in atomizer quartz ampoule and forms stable hydrogen flame, thus greatly reduce KBH by the utility model 4the acid concentration of solution and reaction medium, effective reduction measures blank and sound emission, obviously improves measuring detection limit and stability.Pure, stable hydrogen is provided to hydrogen NITRATE BY FLAME ATOMIC fluorescence spectrophotometer with hydrogen generator, the hydrogen making instrument no longer rely on chemical reaction to produce is lighted and is maintained hydrogen flame, therefore occur to generate hydride under can be implemented in any ambient condition, thus carry out the direct mensuration of the different valence state of Partial Elements.
Accompanying drawing explanation
Fig. 1 is the outer structural representation for Hydrogen Controlling Device for hydrogen NITRATE BY FLAME ATOMIC fluorescence spectrophotometer of the present utility model;
Fig. 2 is the connection diagram of three-way pipe and atomizer.
In figure, 1: reductive agent bucket; 2: cleaning bucket; 3: hydride generator; 4: atomizer; 5: Quartz stove tube; 6: hydrogen generator; 7: three-way pipe; 8: reduction valve; 9: the first solenoid valves; 10: the second solenoid valves; 11: the three solenoid valves; 12: time schedule controller; 13: first-class gauge; 14: second gauge.
Embodiment
Below in conjunction with drawings and embodiments, embodiment of the present utility model is described in further detail.Following embodiment for illustration of the utility model, but is not used for limiting scope of the present utility model.
As shown in Figure 1, outer confession Hydrogen Controlling Device for hydrogen NITRATE BY FLAME ATOMIC fluorescence spectrophotometer of the present utility model, comprise reductive agent bucket 1, cleaning bucket 2, hydride generator 3 and atomizer 4, reductive agent bucket 1 and cleaning bucket 2 comprise input port and delivery outlet respectively, the input port of reductive agent bucket 1 is respectively used to be communicated with the noble gas source of outside with the input port of cleaning bucket 2, hydride generator 3 comprises reductive agent entrance, clear water entrance, inert gas entrance, sample inlet, hydride gas outlet and waste liquid escape hole, the reductive agent entrance of hydride generator 3 is communicated with the delivery outlet of reductive agent bucket 1, hydride generator 3 clear water entrance with cleaning bucket 2 delivery outlet be communicated with, the sample inlet of hydride generator 3 is for inputting sample, the waste liquid escape hole of hydride generator 3 is used for effluent discharge, the inert gas entrance of hydride generator 3 is communicated with outside noble gas source, atomizer 4 comprises Quartz stove tube 5, hydrogen generator or hydrogen gas cylinder 6 and three-way pipe 7 is also comprised for Hydrogen Controlling Device for the outer of hydrogen NITRATE BY FLAME ATOMIC fluorescence spectrophotometer, hydrogen generator or hydrogen gas cylinder 6 are for granddad's hydrogen, hydrogen generator 6 comprises hydrogen gas outlet, three-way pipe 7 comprises three mouths of pipe, three mouths of pipe of three-way pipe 7 respectively with the hydrogen gas outlet of hydrogen generator 6, the hydride outlet of hydride generator 3, the Quartz stove tube 5 of atomizer 4 is communicated with.
Outer confession Hydrogen Controlling Device for hydrogen NITRATE BY FLAME ATOMIC fluorescence spectrophotometer of the present utility model, during specific works, argon gas source of the gas can be selected as the noble gas source of outside, and its work schedule is: 1, start and measure, and powers and open outside argon gas source of the gas to the lighter of atomizer 4; 2, open hydrogen generator 6, flow in atomizer 4 after hydrogen is fully mixed in three-way pipe 7, meeting at its oral area and incandescent ignition silk and light forms hydrogen flame; 3, the passage between reductive agent bucket 1 and hydride generator 3 is opened, reductive agent is joined in hydride generator 3 to react with sample and generate gaseous hydride (simple substance element), product leaves liquid under the stirring of argon gas, atomizer quartz ampoule hydrogen flame is entered under argon gas carrying, carrying out atomization wherein, under element lamp optical excitation, producing fluorescent effect for measuring; 4, use the passage that atomic fluorescence spectrometer carries out fluorescence sampled measurements, 5 reduction reactions terminate rear closedown hydrogen source gas and open between cleaning bucket 2 and hydride generator 3, clean, cleaning is waited for backward and being measured next time.
The outer Hydrogen Controlling Device that supplies for hydrogen NITRATE BY FLAME ATOMIC fluorescence spectrophotometer of the present utility model passes through to introduce hydrogen generator 6, three-way pipe 7 and time schedule controller, realizes being incorporated into by hydrogen in atomizer quartz ampoule forming stable hydrogen flame, thus greatly reduces KBH 4the acid concentration of solution and reaction medium, effective reduction measures blank and sound emission, obviously improves measuring detection limit and stability.Pure, stable hydrogen is provided to hydrogen NITRATE BY FLAME ATOMIC fluorescence spectrophotometer with hydrogen generator or hydrogen gas cylinder, the hydrogen making instrument no longer rely on chemical reaction to produce is lighted and is maintained hydrogen flame, therefore occur to generate hydride under can be implemented in any ambient condition, thus carry out the direct mensuration of the different valence state of Partial Elements.
The outer noble gas source for Hydrogen Controlling Device for hydrogen NITRATE BY FLAME ATOMIC fluorescence spectrophotometer of the present utility model comprises argon gas steel cylinder and reduction valve 8, the input port of reduction valve 8 is communicated with the delivery outlet of argon gas steel cylinder, and the delivery outlet of reduction valve 8 is communicated with the inert gas entrance of hydride generator 3 with the input port of reductive agent bucket 1, the input port of cleaning bucket 2 respectively.
The first solenoid valve 9 is provided with between the delivery outlet of the outer reductive agent bucket 1 for Hydrogen Controlling Device for hydrogen NITRATE BY FLAME ATOMIC fluorescence spectrophotometer of the present utility model and the reductive agent entrance of hydride generator 3, the second solenoid valve 10 is provided with between the delivery outlet of cleaning bucket 2 and the clear water entrance of hydride generator 3, the 3rd solenoid valve 11 is provided with between the hydrogen gas outlet of hydrogen generator 6 and three-way pipe 7, hydrogen NITRATE BY FLAME ATOMIC fluorescence spectrophotometer hydride container also comprises time schedule controller 12, time schedule controller 12 respectively with the control end of the first solenoid valve 9, the control end of the second solenoid valve 10 and the control end electrical connection of the 3rd solenoid valve 11, time schedule controller 12 is for controlling the first solenoid valve 9, the break-make of the second solenoid valve 10 and the 3rd solenoid valve 11.
The purpose of this utility model is, by the control of time schedule controller 12 to the first solenoid valve 9, second solenoid valve 10 and the 3rd solenoid valve 11, the utility model to be run automatically.
The outer Hydrogen Controlling Device that supplies for hydrogen NITRATE BY FLAME ATOMIC fluorescence spectrophotometer of the present utility model also comprises first-class gauge 13 and second gauge 14, first-class gauge 13 is arranged between the hydrogen gas outlet of hydrogen generator 6 and three-way pipe 7, one end of second gauge 14 is communicated with inert gas entrance, and the other end of second gauge 14 can be communicated with the noble gas source of outside.
The above is only preferred implementation of the present utility model; should be understood that; for those skilled in the art; under the prerequisite not departing from the utility model know-why; can also make some improvement and modification, these improve and modification also should be considered as protection domain of the present utility model.

Claims (4)

1. one kind supplies Hydrogen Controlling Device for the outer of hydrogen NITRATE BY FLAME ATOMIC fluorescence spectrophotometer, comprise hydrogen generator, reductive agent bucket, cleaning bucket, hydride generator and atomizer, described reductive agent bucket and cleaning bucket comprise input port and delivery outlet respectively, the input port of described reductive agent bucket is respectively used to be communicated with the noble gas source of outside with the input port of cleaning bucket, described hydride generator comprises reductive agent entrance, clear water entrance, inert gas entrance, sample inlet, hydride gas outlet and waste liquid escape hole, the reductive agent entrance of described hydride generator is communicated with the delivery outlet of reductive agent bucket, hydride generator clear water entrance with cleaning bucket delivery outlet be communicated with, the sample inlet of hydride generator is for inputting sample, the waste liquid escape hole of hydride generator is used for effluent discharge, the inert gas entrance of hydride generator is communicated with outside noble gas source, described atomizer comprises Quartz stove tube, it is characterized in that: the described outer Hydrogen Controlling Device that supplies for hydrogen NITRATE BY FLAME ATOMIC fluorescence spectrophotometer also comprises three-way pipe, described hydrogen generator is used for outer for hydrogen, hydrogen generator comprises hydrogen gas outlet, described three-way pipe comprises three mouths of pipe, three mouths of pipe of three-way pipe respectively with the hydrogen gas outlet of hydrogen generator, the hydride outlet of hydride generator, the Quartz stove tube of atomizer is communicated with.
2. the outer confession Hydrogen Controlling Device for hydrogen NITRATE BY FLAME ATOMIC fluorescence spectrophotometer according to claim 1, it is characterized in that: described noble gas source comprises argon gas steel cylinder and reduction valve, the input port of described reduction valve is communicated with the delivery outlet of argon gas steel cylinder, and the delivery outlet of reduction valve is communicated with the input port of reductive agent bucket, the inert gas entrance of input port and hydride generator that cleans bucket respectively.
3. the outer confession Hydrogen Controlling Device for hydrogen NITRATE BY FLAME ATOMIC fluorescence spectrophotometer according to claim 1, it is characterized in that: between the delivery outlet of described reductive agent bucket and the reductive agent entrance of hydride generator, be provided with the first solenoid valve, the second solenoid valve is provided with between the delivery outlet of described cleaning bucket and the clear water entrance of hydride generator, the 3rd solenoid valve is provided with between the hydrogen gas outlet of described hydrogen generator and three-way pipe, the outer of described hydrogen NITRATE BY FLAME ATOMIC fluorescence spectrophotometer also comprises time schedule controller for Hydrogen Controlling Device, described time schedule controller respectively with the control end of the first solenoid valve, the control end of the second solenoid valve and the control end electrical connection of the 3rd solenoid valve, described time schedule controller is for controlling the first solenoid valve, the break-make of the second solenoid valve and the 3rd solenoid valve.
4. the outer confession Hydrogen Controlling Device for hydrogen NITRATE BY FLAME ATOMIC fluorescence spectrophotometer according to claim 1, it is characterized in that: also comprise first-class gauge and second gauge, described first-class gauge is arranged between the hydrogen gas outlet of hydrogen generator and three-way pipe, one end of described second gauge is communicated with inert gas entrance, and the other end of second gauge can be communicated with the noble gas source of outside.
CN201420636056.1U 2014-10-22 2014-10-22 Hydrogen Controlling Device is supplied for the outer of hydrogen NITRATE BY FLAME ATOMIC fluorescence spectrophotometer Expired - Fee Related CN204389395U (en)

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105300755A (en) * 2015-09-15 2016-02-03 北京普析通用仪器有限责任公司 Coupling device of hydride generator and microwave plasma mass spectrometer
CN106198477A (en) * 2016-07-29 2016-12-07 北京宝德仪器有限公司 Hydride generation system and method for generation for atomic fluorescence spectrometer
CN110500504A (en) * 2019-09-10 2019-11-26 青岛诺诚化学品安全科技有限公司 A kind of two-way fuel gas feed system and its application
CN111103271A (en) * 2018-10-29 2020-05-05 谱焰实业(上海)有限公司 Atomic fluorescence analysis method for outer tube sample injection
CN112969659A (en) * 2019-03-19 2021-06-15 新东工业株式会社 Apparatus for producing tetrahydroborate and method for producing tetrahydroborate

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105300755A (en) * 2015-09-15 2016-02-03 北京普析通用仪器有限责任公司 Coupling device of hydride generator and microwave plasma mass spectrometer
CN106198477A (en) * 2016-07-29 2016-12-07 北京宝德仪器有限公司 Hydride generation system and method for generation for atomic fluorescence spectrometer
CN111103271A (en) * 2018-10-29 2020-05-05 谱焰实业(上海)有限公司 Atomic fluorescence analysis method for outer tube sample injection
CN112969659A (en) * 2019-03-19 2021-06-15 新东工业株式会社 Apparatus for producing tetrahydroborate and method for producing tetrahydroborate
CN110500504A (en) * 2019-09-10 2019-11-26 青岛诺诚化学品安全科技有限公司 A kind of two-way fuel gas feed system and its application

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