CN106950264A - A kind of Portable heavy metal detector and its detection method - Google Patents
A kind of Portable heavy metal detector and its detection method Download PDFInfo
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- CN106950264A CN106950264A CN201710346251.9A CN201710346251A CN106950264A CN 106950264 A CN106950264 A CN 106950264A CN 201710346251 A CN201710346251 A CN 201710346251A CN 106950264 A CN106950264 A CN 106950264A
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- 238000001514 detection method Methods 0.000 title claims abstract description 42
- 229910001385 heavy metal Inorganic materials 0.000 title claims abstract description 32
- 238000004458 analytical method Methods 0.000 claims abstract description 29
- 230000003028 elevating effect Effects 0.000 claims abstract description 13
- 239000004973 liquid crystal related substance Substances 0.000 claims abstract description 12
- 238000007650 screen-printing Methods 0.000 claims abstract description 12
- 238000012545 processing Methods 0.000 claims description 14
- 238000012986 modification Methods 0.000 claims description 10
- 230000004048 modification Effects 0.000 claims description 10
- 238000000034 method Methods 0.000 claims description 9
- 238000005070 sampling Methods 0.000 claims description 7
- 239000000243 solution Substances 0.000 claims description 7
- 238000013500 data storage Methods 0.000 claims description 6
- 239000007853 buffer solution Substances 0.000 claims description 5
- 238000003780 insertion Methods 0.000 claims description 5
- 230000037431 insertion Effects 0.000 claims description 5
- 238000003756 stirring Methods 0.000 claims description 5
- 230000005540 biological transmission Effects 0.000 claims description 4
- 238000013480 data collection Methods 0.000 claims description 4
- 238000002156 mixing Methods 0.000 claims description 4
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims description 3
- 230000003213 activating effect Effects 0.000 claims description 3
- 230000004913 activation Effects 0.000 claims description 3
- 238000006243 chemical reaction Methods 0.000 claims description 3
- 238000004891 communication Methods 0.000 claims description 3
- 229910052744 lithium Inorganic materials 0.000 claims description 3
- 238000007639 printing Methods 0.000 claims description 3
- 238000001228 spectrum Methods 0.000 claims description 3
- 230000005611 electricity Effects 0.000 claims 1
- 238000012360 testing method Methods 0.000 abstract description 10
- 230000035945 sensitivity Effects 0.000 abstract description 8
- 238000013461 design Methods 0.000 abstract description 5
- 230000008901 benefit Effects 0.000 abstract description 4
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000005516 engineering process Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 238000012423 maintenance Methods 0.000 description 3
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 3
- 229910052753 mercury Inorganic materials 0.000 description 3
- 239000003981 vehicle Substances 0.000 description 3
- 239000003153 chemical reaction reagent Substances 0.000 description 2
- 239000003651 drinking water Substances 0.000 description 2
- 235000020188 drinking water Nutrition 0.000 description 2
- 239000002105 nanoparticle Substances 0.000 description 2
- 231100000252 nontoxic Toxicity 0.000 description 2
- 230000003000 nontoxic effect Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 238000010408 sweeping Methods 0.000 description 2
- 238000004876 x-ray fluorescence Methods 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000003968 anodic stripping voltammetry Methods 0.000 description 1
- 238000001636 atomic emission spectroscopy Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005868 electrolysis reaction Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 238000001095 inductively coupled plasma mass spectrometry Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000007726 management method Methods 0.000 description 1
- 239000004005 microsphere Substances 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
- 230000005012 migration Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000004445 quantitative analysis Methods 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 238000004365 square wave voltammetry Methods 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- -1 this has become Inorganic materials 0.000 description 1
- 230000001988 toxicity Effects 0.000 description 1
- 231100000419 toxicity Toxicity 0.000 description 1
- 238000004832 voltammetry Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
- G01N27/26—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating electrochemical variables; by using electrolysis or electrophoresis
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
- G01N27/26—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating electrochemical variables; by using electrolysis or electrophoresis
- G01N27/28—Electrolytic cell components
- G01N27/30—Electrodes, e.g. test electrodes; Half-cells
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- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- Physics & Mathematics (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Molecular Biology (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
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- Sampling And Sample Adjustment (AREA)
Abstract
The invention discloses a kind of Portable heavy metal detector and its detection method, including main frame and analyzer annex, analyzer annex includes electrode plug fixed seat, electrode installs plug, elevating lever, analysis cell, rotating cylinder and base, elevating lever is arranged on the upper end right side of base, rotating cylinder is located at the upper end left side of base, analysis cell is arranged on the inside of rotating cylinder, electrode plug fixed seat is hinged on the upper end of elevating lever, electrode installs the lower left quarter that plug is arranged on electrode plug fixed seat, main frame includes tool housing, tool housing top back side edge is respectively arranged with toggle switch and external interface.Beneficial effect of the present invention：Detection time is fast：Testing result is provided in 5 minutes, the single heavy metal analysis time is less than 30 seconds；High sensitivity：Detection range is 1ppb -10ppm, and sensitivity is high, and the range of linearity is wide；Electrode unique advantage：Using the instant throwing type screen printing electrode of plug-in type, performance is stable, easy to operate；Convenient, human oriented design, high definition screen liquid crystal is shown.
Description
Technical field
The present invention relates to Analysis of Heavy Metal field, especially a kind of Portable heavy metal detector and its detection method.
Background technology
At present, heavy metal pollution is to influence one of principal element of agricultural products in China safety, and with polyphyly, it is disguised
By force, migration is small, and toxicity is big, the features such as chemical behavior and complicated ecological effect, and detection process is complicated, and complex steps, efficiency is low
High cost, and secondary pollution easily is caused to environment.Traditional detection method be atomic absorption spectrography (AAS), atomic emission spectrometry or
Inductively coupled plasma mass spectrometry etc., these instruments are mainly equipped in laboratory, due to needing sampling analysis, analysis time
Long, expensive equipment and need personnel to possess the reasons such as enough operating experiences, cause the technology to be difficult to be widely used, less
The purpose of Site Detection can be reached.Existing electrochemical heavy metals detector mostly uses anodic stripping voltammetry, instrument on the market
Utensil has small volume, the characteristics of easy to operate, meets that Site Detection is portable to instrument, demand easy to operate.But instrument is equal
Using three-electrode system, wherein working electrode uses the electrode of mercuri material, because mercury electrode of the substrate can not realize maintenance in situ, and
And can cause the secondary pollution of mercury, this has become, and heavy metal is quick, easy detection technical bottleneck.
The Portable heavy metal ion detection instrument instrument of X-ray fluorescence spectra has been developed based on both at home and abroad, with analyze speed
Hurry up, X-ray fluorescence spectra with sample chemical binding state is unrelated, nondestructive analysis, simple sample preparation, high precision the advantages of, but
It is that this technology still suffers from the following shortcoming for being difficult to overcome：A) it is difficult to make Absolute analysis, quantitative analysis needs a large amount of standard specimens；B) hold
Easily being disturbed and be superimposed peak by other elements is influenceed.
Therefore, it is necessary to propose a kind of Portable heavy metal detector and its detection method for above mentioned problem.
The content of the invention
The present invention seeks to overcome deficiency of the prior art, there is provided a kind of Portable heavy metal detector and its detection side
Method.
In order to solve the above-mentioned technical problem, the present invention is to be achieved through the following technical solutions：
A kind of Portable heavy metal detector, including main frame and analyzer annex, the analyzer annex are inserted including electrode
Head fixed seat, electrode install plug, elevating lever, analysis cell, rotating cylinder and base, and the upper end that the elevating lever is arranged on base is right
Sidepiece, the rotating cylinder is located at the upper end left side of base, and the analysis cell is arranged on the inside of rotating cylinder, the electrode plug
Fixed seat is hinged on the upper end of elevating lever, and the electrode installs the lower left quarter that plug is arranged on electrode plug fixed seat, the master
Machine includes tool housing, and the top back side edge of the tool housing is respectively arranged with toggle switch and external interface, the instrument
The top of shell is provided with liquid crystal touch control display screen, and the upper forepart of the liquid crystal touch control display screen is provided with power knob switch,
The left side of the power knob switch is respectively arranged with charging complete indicator lamp and just in charging indicator light, the tool housing
Be internally provided with electrode, processing system, data acquisition module and supplying cell, the liquid crystal touch control display screen, power knob
Switch, charging complete indicator lamp, just charging indicator light, toggle switch, electrode, data acquisition module and supplying cell with place
Reason system is connected.
Preferably, the front side edge centre position of the base is provided with electrode line interface, and the left side of the base is set
There is electrode connecting line.
Preferably, the external interface include agitator connector, A types USB interface, Type B USB interface, RS232 serial ports,
Ethernet mouthful and power interface, the agitator connector, A types USB interface, Type B USB interface, RS232 serial ports, Ethernet
Interface and power interface are connected with processing system, and the electrode line interface is connected with agitator connector.
Preferably, the processing system also respectively with communication module, colorized lcd display model, linear power supply module, refer to
Show lamp and buzzer module, start and reset key module, JTAG debugging interfaces plate, A/D sampling modules, D/A sampling modules,
Output control module, Keysheet module, lithium battery module, rotation electrode control output module, usb interface module, mouse module and
Human-computer interface module is connected.
Preferably, the upper end of the tool housing is additionally provided with LOGO marks.
Preferably, the processing system is used as Master control chip using Exynos4412.
Preferably, the electrode uses screen printing electrode, when the charging complete indicator lamp is lighted for green, it is described just
It is red when charging indicator light is lighted.
A kind of Portable heavy metal detection method, its method is：(1) turn on the power switch, electrode wires connect main frame and divided
Pond annex is analysed, screen printing electrode insertion electrode is installed at plug；(2) chassis interior stirring motor is rotated cylinder and rotated and right
Reaction solution is stirred mixing in analysis cell；(3) detection data are shared by network transmission；(4) accompanying software provides data and deposited
Storage, report printing, inquiry, and initial data collection of illustrative plates can be exported.
Preferably, its detection method further comprises：(1) activated electrode, analysis cell is put into rotating cylinder, adds 2ml
Activating solution, connection electrode starts activation；(2) electrode modification, changes 2ml buffer solutions, starts modification；(3) Electrode Calibration：1) more
2ml buffer solutions are changed, are inserted electrodes into, start demarcation；2) 20ul standard items are added for the first time, start demarcation；3) second of addition
20ul standard items, start demarcation；4) third time adds 20ul standard items, starts demarcation；4) the 4th addition 20ul standard items, are opened
Begin to demarcate；(4) sweep parameter is set；(5) detection is started, display screen shows surface sweeping collection of illustrative plates and can automatically generated and uploading detection report
Accuse.
Preferably, the electrode plug fixed seat can 45 ° of rotations up and down.
Preferably, no less than 50000 sample results of data storage capacity
Beneficial effect of the present invention：Detection time is fast：Testing result is provided in 5 minutes, the single heavy metal analysis time is less than
30 seconds；High sensitivity：Detection range is 1ppb -10ppm, and sensitivity is high, and the range of linearity is wide；Electrode unique advantage：Using patching
The instant throwing type screen printing electrode of formula, performance is stable, easy to operate；Convenient, human oriented design：High definition screen liquid crystal shows,
Reading is directly perceived, interface hommization, touch operation, step prompting, easy meeting easy to operate, easy to learn, quick grasp, relatively meets amateur
Testing staff uses；Safety, low cost：Consumptive material price is low, consumption is few, and nontoxic matched reagent can ensure that librarian use safety；
Instrument can realize that automatic remote is upgraded, equipped with automobile power source interface, available for equipment moving testing vehicle；It can at least store
50000 groups of data, and initial data can export drafting collection of illustrative plates.
The technique effect of the design of the present invention, concrete structure and generation is described further below with reference to accompanying drawing, with
It is fully understood from the purpose of the present invention, feature and effect.
Brief description of the drawings
Fig. 1 is the detector agent structure schematic diagram of the embodiment of the present invention；
Fig. 2 is the electrolysis agitating device structural representation of the embodiment of the present invention；
Fig. 3 is the flow chart of the present invention；
Fig. 4 is the drinking water heavy metal analysis technology path of the embodiment of the present invention.
Embodiment
Embodiments of the invention are described in detail below in conjunction with accompanying drawing, invention can be defined by the claims and cover
Multitude of different ways implement.
A kind of Portable heavy metal detector such as Fig. 1 and with reference to shown in Fig. 2 to Fig. 4, including main frame and analyzer annex, institute
State analyzer annex and plug 15, elevating lever 16, analysis cell 14, the and of rotating cylinder 20 are installed including electrode plug fixed seat 18, electrode
Base 17, the elevating lever 16 is arranged on the upper end right side of base 17, and the rotating cylinder 20 is located on the left of the upper end of base 17
Portion, the analysis cell 14 is arranged on the inside of rotating cylinder 20, and the electrode plug fixed seat 18 is hinged on the upper end of elevating lever, institute
The lower left quarter for being arranged on electrode plug fixed seat 18 that electrode installs plug 15 is stated, the main frame includes tool housing 1, the instrument
A upper side for device shell 1 is respectively arranged with toggle switch 9 and external interface, and the top of the tool housing 1 is provided with liquid crystal
Touching display screen 2, the upper forepart of the liquid crystal touch control display screen 2 is provided with power knob switch 3, the power knob switch 3
Left side be respectively arranged with charging complete indicator lamp 4 and be just provided with charging indicator light 5, the tool housing 1 electrode,
Processing system, data acquisition module and supplying cell, the liquid crystal touch control display screen 2, power knob switch 3, charging complete refer to
Show lamp 4, be just connected in charging indicator light 5, toggle switch 9, electrode, data acquisition module and supplying cell with processing system.
Further, the front side edge of the base 17 is provided with electrode line interface 13, and the left side of the base 17 is set
There is electrode connecting line 19.
The external interface include agitator connector 6, A types USB interface 7, Type B USB interface 8, RS232 serial ports 10, with
Too network mouthfuls 11 and power interface 12, the agitator connector 6, A types USB interface 7, Type B USB interface 8, RS232 serial ports 10,
Ethernet interface 11 and power interface 12 are connected with processing system, and the electrode line interface 13 is connected with agitator connector 6.
Further, the processing system also respectively with communication module, colorized lcd display model, linear power supply module,
Indicator lamp and buzzer module, start and reset key module, JTAG debugging interfaces plate, A/D sampling modules, D/A sampling moulds
Block, output control module, Keysheet module, lithium battery module, rotation electrode control output module, usb interface module, mouse module
With human-computer interface module connection, the upper end of the tool housing is additionally provided with LOGO marks, and the processing system is used
Exynos4412 is as Master control chip, and the electrode uses screen printing electrode, and the charging complete indicator lamp is when lighting
Green, described is red just when charging indicator light is lighted.
A kind of Portable heavy metal detection method, its method is：(1) turn on the power switch, electrode wires connect main frame and divided
Pond annex is analysed, screen printing electrode insertion electrode is installed at plug；(2) chassis interior stirring motor is rotated cylinder and rotated and right
Reaction solution is stirred mixing in analysis cell；(3) detection data are shared by network transmission；(4) accompanying software provides data and deposited
Storage, report printing, inquiry, and initial data collection of illustrative plates can be exported.
Its detection method further comprises：(1) activated electrode, analysis cell is put into rotating cylinder, adds 2ml activating solutions,
Connection electrode, starts activation；(2) electrode modification, changes 2ml buffer solutions, starts modification；(3) Electrode Calibration：1) 2ml is changed to delay
Fliud flushing, is inserted electrodes into, and starts demarcation；2) 20ul standard items are added for the first time, start demarcation；3) second of addition 20ul standard
Product, start demarcation；4) third time adds 20ul standard items, starts demarcation；4) the 4th addition 20ul standard items, start demarcation；
(4) sweep parameter is set；(5) detection is started, display screen shows surface sweeping collection of illustrative plates and can automatically generated and uploading detection report, described
Electrode plug fixed seat can 45 ° of rotations up and down, no less than 50000 sample results of data storage capacity.Detection time is fast：5 points
Testing result is provided in clock, the single heavy metal analysis time is less than 30 seconds；High sensitivity：Detection range is 1ppb -10ppm, spirit
Sensitivity is high, and the range of linearity is wide；Electrode unique advantage：Using the instant throwing type screen printing electrode of plug-in type, performance is stable, operation
It is convenient；Convenient, human oriented design：High definition screen liquid crystal shows that reading is directly perceived, interface hommization, touch operation, step prompting,
Easy meeting easy to operate, easy to learn, quick grasp, relatively meet amateur testing staff and use；Safety, low cost：Consumptive material price is low, use
Amount is few, and nontoxic matched reagent can ensure that librarian use safety；Instrument can realize that automatic remote is upgraded, and be connect equipped with automobile power source
Mouthful, available for equipment moving testing vehicle；50000 groups of data can be at least stored, and initial data can export drafting collection of illustrative plates.
The present invention solves problem above, develops the silk-screen printing that the materials such as nano-particle, magnetic microsphere carry out functionalized modification
Electrode, hardware system and the high-effective data collecting system module such as developing electrode rotational structure, by the system integration, have developed portable
Formula heavy metal detector, realizes the live Quantitative detection of contents of many kinds of heavy metal ion in food, water quality and soil, and it detects spirit
Sensitivity meets or exceeds national drinking water safety standard.The instrument uses instant throwing type screen printing electrode, disposable,
Simple to operate without repair and maintenance, testing cost is cheap, solves the secondary dirt of electrodes maintenance complexity and mercury in the electrode of market three
Dye problem and traditional detection method high cost, efficiency it is low, can not Site Detection the problem of.Instrument utilizes square wave voltammetry, circulation
Voltammetry and instant current technique, by the modification technique such as chemically modified electrode and immune modification electrode, introduce nano-particle, magnetic
Property microballoon etc. build sensor, amplify signal, improve sensitivity and stability, at the same avoid in detection process heavy metal from
Interfering between son.
The key technical indexes such as following table of instrument conventional detection project：
Instrument is turned on the power switch, and main frame and analysis cell annex, screen printing electrode insertion electrode peace are connected with electrode wires
At plug (plug-in installation), electrode plug fixed seat can 45 ° of activities up and down, regulation elevating lever coordination electrode insertion analysis cell
Depth, analysis cell and rotating cylinder coaxial rotating, chassis interior stirring motor is rotated cylinder and rotates and to being reacted in analysis cell
Liquid is stirred mixing.
Other instrument is self-powered, can the standby test for a long time in the case of without external power supply；Detection data can pass through
Network transmission is shared.Accompanying software provides data storage, and report is printed, and the management function such as inquiry, data storage capacity is no less than
50000 sample results, and initial data collection of illustrative plates can be exported；Equipped with automobile power source interface, available for equipment moving testing vehicle.
Preferred embodiment of the invention described in detail above.It should be appreciated that one of ordinary skill in the art without
Need creative work just can make many modifications and variations according to the design of the present invention.Therefore, all technologies in the art
Personnel are available by logical analysis, reasoning, or a limited experiment on the basis of existing technology under this invention's idea
Technical scheme, all should be in the protection domain being defined in the patent claims.
Claims (10)
1. a kind of Portable heavy metal detector, it is characterised in that：Including main frame and analyzer annex, the analyzer annex bag
Include electrode plug fixed seat, electrode and plug, elevating lever, analysis cell, rotating cylinder and base are installed, the elevating lever is arranged on base
Upper end right side, the rotating cylinder is located at the upper end left side of base, and the analysis cell is arranged on the inside of rotating cylinder, described
Electrode plug fixed seat is hinged on the upper end of elevating lever, and the electrode installs the lower-left that plug is arranged on electrode plug fixed seat
Portion, the main frame includes tool housing, and a upper side for the tool housing is respectively arranged with toggle switch and external interface, institute
The top for stating tool housing is provided with liquid crystal touch control display screen, and the upper forepart of the liquid crystal touch control display screen is provided with power knob
Switch, the left side of the power knob switch is respectively arranged with charging complete indicator lamp and just in charging indicator light, the instrument
Device shell is internally provided with electrode, processing system, data acquisition module and supplying cell, the liquid crystal touch control display screen, electricity
Source button switch, charging complete indicator lamp, just in charging indicator light, toggle switch, electrode, data acquisition module and supplying cell
It is connected with processing system.
2. a kind of Portable heavy metal detector as claimed in claim 1, it is characterised in that：The front side edge of the base is set
There is electrode line interface, the left side of the base is connected with electrode connecting line.
3. a kind of Portable heavy metal detector as claimed in claim 1, it is characterised in that：The external interface includes stirring
Device connector, A types USB interface, Type B USB interface, RS232 serial ports, Ethernet mouth and power interface, the agitator connection
Mouth, A types USB interface, Type B USB interface, RS232 serial ports, Ethernet interface and power interface are connected with processing system, described
Electrode line interface is connected with agitator connector.
4. a kind of Portable heavy metal detector as claimed in claim 1, it is characterised in that：The processing system also respectively with
Communication module, colorized lcd display model, linear power supply module, indicator lamp and buzzer module, start and reset key module,
JTAG debugging interfaces plate, A/D sampling modules, D/A sampling modules, output control module, Keysheet module, lithium battery module, rotation
Turn electrode control output module, usb interface module, mouse module and human-computer interface module connection.
5. a kind of Portable heavy metal detector as claimed in claim 1, it is characterised in that：The upper end of the tool housing is also
LOGO marks are provided with, the processing system is used as Master control chip using Exynos4412.
6. a kind of Portable heavy metal detector as claimed in claim 1, it is characterised in that：The electrode uses silk-screen printing
Electrode, is green when the charging complete indicator lamp is lighted, and described is red just when charging indicator light is lighted.
7. a kind of Portable heavy metal detection method, it is characterised in that：Its method is：
(1) turn on the power switch, electrode wires connection main frame and analysis cell annex, screen printing electrode insertion electrode installs plug
Place；
(2) chassis interior stirring motor is rotated cylinder and rotates and be stirred mixing to reaction solution in analysis cell；
(3) detection data pass through network transmission；
(4) accompanying software provides data storage, report printing, inquiry, and can export initial data collection of illustrative plates.
8. a kind of Portable heavy metal detection method as claimed in claim 7, it is characterised in that：Its detection method is further wrapped
Include：
(1) activated electrode, analysis cell is put into rotating cylinder, adds 2ml activating solutions, and connection electrode starts activation；
(2) electrode modification, changes 2ml buffer solutions, starts modification；
(3) Electrode Calibration：1) 2ml buffer solutions are changed, are inserted electrodes into, start demarcation；2) 20ul standard items are added for the first time, are opened
Begin to demarcate；3) second of addition 20ul standard items, starts demarcation；4) third time adds 20ul standard items, starts demarcation；4) the 4th
Secondary addition 20ul standard items, start demarcation；
(4) sweep parameter is set；
(5) detection is started, display screen shows scanning spectra and can automatically generated and uploading detection report.
9. a kind of Portable heavy metal detection method as claimed in claim 7, it is characterised in that：The electrode plug fixed seat
Can 45 ° of rotations up and down.
10. a kind of Portable heavy metal detection method as claimed in claim 7, it is characterised in that：Data storage capacity is many
In 50000 sample results.
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| CN201710346251.9A CN106950264A (en) | 2017-05-17 | 2017-05-17 | A kind of Portable heavy metal detector and its detection method |
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| CN201710346251.9A CN106950264A (en) | 2017-05-17 | 2017-05-17 | A kind of Portable heavy metal detector and its detection method |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108535470A (en) * | 2018-06-29 | 2018-09-14 | 武汉中科志康生物科技有限公司 | A kind of enzyme biologic sensor and the preparation method and application thereof of detection heavy metal |
| CN109406592A (en) * | 2018-11-14 | 2019-03-01 | 广东达元绿洲食品安全科技股份有限公司 | A kind of portable electrochemical heavy metal analysis device |
| CN111693684A (en) * | 2020-05-27 | 2020-09-22 | 微医佰康(福建)医疗科技有限公司 | Logo backlight system of portable detector |
| CN112834587A (en) * | 2021-01-05 | 2021-05-25 | 长沙卡琳顿科技有限公司 | Portable electrochemical heavy metal detector |
| CN113820372A (en) * | 2021-10-27 | 2021-12-21 | 浙江铭谱生物科技有限公司 | Heavy metal fast detector |
| CN113945624A (en) * | 2020-07-16 | 2022-01-18 | 武汉市农业科学院 | Portable food heavy metal detection system |
| CN114199960A (en) * | 2021-12-02 | 2022-03-18 | 武汉中科志康生物科技有限公司 | Intelligent heavy metal detector |
| WO2022116530A1 (en) * | 2020-12-02 | 2022-06-09 | Wuhan academy of agricultural sciences | Heavy metal detector |
| CN115201289A (en) * | 2021-04-12 | 2022-10-18 | 广东朗源生物科技有限公司 | Heavy metal detection method based on screen printing electrode and detection instrument thereof |
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