CN108760731A - Chemical composition rapid detection method - Google Patents
Chemical composition rapid detection method Download PDFInfo
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- CN108760731A CN108760731A CN201810555345.1A CN201810555345A CN108760731A CN 108760731 A CN108760731 A CN 108760731A CN 201810555345 A CN201810555345 A CN 201810555345A CN 108760731 A CN108760731 A CN 108760731A
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- G—PHYSICS
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- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/75—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated
- G01N21/77—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated by observing the effect on a chemical indicator
- G01N21/78—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated by observing the effect on a chemical indicator producing a change of colour
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Abstract
The invention belongs to a kind of chemical composition rapid detection methods in technical field of chemical detection, it is to use a kind of display device, is contacted with sample to be tested, after develops the color completely, it is compareed with colorimetric card, you can qualitative or sxemiquantitative testing result is obtained to one or more of sample ingredient；Display device is made of inner core 1, housing 2 and handle 3, and the top of inner core 1 is provided with terminal area 6, and detection zone 4 is provided with below terminal area 6, and isolated area 5 is provided between detection zone 4 and terminal area 6, and detection zone 4 is also equipped with isolated area 5 between each other.The present invention overcomes existing chemical composition detection method is cumbersome, the scope of application is small, or expensive equipment, the single defect of detection ingredient, the chemical composition rapid detection method equipment provided are simple, it is at low cost, method is easy, easily operated, is not necessarily to professional training, can quickly, in situ detection, have a wide range of application.
Description
Technical field
The invention belongs to technical field of chemical detection, and in particular to a kind of chemical composition rapid detection method.
Background technology
The detection method of chemical composition can be divided into chemical analysis and instrumental method two major classes.Chemical analysis is with object
Classical analysis method based on the chemical reaction of matter includes mainly gravimetry, analysis by titration and colorimetric analysis.Than
Colour analysis method be with sample component to be measured per se with color either the component and particular agent or color developing agent effect generate
Based on coloured substance, by comparing or color depth is measured to determine the qualitative and quantitative analysis method of component to be measured.Colorimetric
Analytic approach belongs to spectrum analysis law areas, has many advantages, such as sensitive, quick, accurate, easy, is most common chemical analysis method
One of.There are two types of common colorimetric methods:Optical colorimetry and photoelectric colorimetry, common optical colorimetry are standard series methods,
I.e. with different amounts of determinand standard liquid in identical one group of colorimetric cylinder, first presses analytical procedure and develop the color, be made into color
The standard color range of gradual alternation.Sample solution also develops the color under the conditions of identical and standard color range is made comparisons, and visually finds out color
That most similar a standard of pool calculates the content for determining component to be measured in sample by the amount of standard solution contained therein.It is lacked
Point is, cumbersome, and since many colored solutions colors are unstable, detection every time generally requires to prepare standard color range again,
And the scope of application is small, is only suitable for detecting solution.Photoelectric colorimetry need to use tungsten light source and optical filter, be only applicable to visible light
Spectrum area and the complex light that can only obtain a wavelength range, make it no matter in the accuracy, sensitivity and application range of measurement
All not as good as therefore UV-VIS spectrophotometry is replaced by UV-VIS spectrophotometry.Spectrophotometry
The instrument of method is more expensive, and power supply, the especially method is needed still to be only suitable for detecting solution.Based on optical colorimetry principle, develop
Many analysis test papers.Analysis test paper, be with chemicals it is impregnated, can be by its color change detecting liquid or gas
A kind of paper existing for Cucumber.It is divided into pH test paper, semiquantitative test paper, section test paper, biochemical test paper, reagent test strip etc..Its
The disadvantage is that not being suitable for solid and semi-solid sample, and single component can only be detected.
Invention content
The purpose of the invention is to overcome existing chemical composition detection method cumbersome, the scope of application is small, Huo Zheyi
Device is expensive, the single defect of detection ingredient, provides that a kind of equipment is simple, and at low cost, method is easy, easily operated, without profession
Training, can quickly, in situ detection, Multiple components can be measured simultaneously, the chemical composition rapid detection method having a wide range of application.
The purpose of the present invention is what is be achieved through the following technical solutions：
The present invention chemical composition rapid detection method, it is characterised in that use a kind of display device, with semi-solid sample,
Solid sample, gaseous sample or fluid sample contact compare, you can to one in sample after developing the color completely with colorimetric card
Kind or Multiple components obtain qualitative or sxemiquantitative testing result；The display device is by 3 groups of inner core 1, housing 2 and handle
At 2 both ends open of housing is sleeved on the lower part of inner core 1, and the upper end of inner core 1 is connect with handle 3；The top of inner core 1 is provided with terminal
Area 6 is provided with detection zone 4 below terminal area 6, and isolated area 5 is provided between detection zone 4 and terminal area 6, and detection zone 4 is mutual
Between be also equipped with isolated area 5；Contain special examination containing water or solvent changeable colour or the substance of colour developing, detection zone 4 is met in terminal area 6
Agent or color developing agent, isolated area 5 are blank；The inner core 1 is made of hydroscopicity or suction solvent-based material.
In said program, the inner core 1 is cylindric or sheet.
In said program, the chance water or solvent changeable colour or the substance of colour developing are anhydrous cupric sulfate, anhydrous cobalt chloride
Or meet water discoloration silica gel；Specific reagent is the substance for making chemical composition to be measured that specified chemical reaction occur that colorimetric method uses；
Color developing agent is the substance for making chemical composition colour developing to be measured that colorimetric method uses.
In said program, the preparation method of the inner core 1 is as follows：
Marked off on inner core 1 detection zone 4, isolated area 5 and terminal area 6 range, be then separately added on detection zone 4
The solution of different specific reagents or color developing agent is added in terminal area 6 and meets the molten of water or solvent changeable colour or the substance of colour developing
Liquid obtains inner core 1 after dry.
In said program, the preparation method of the colorimetric card is as follows：
Chemical composition to be measured is made into a series of standard solution of various concentrations, is added identical special on detection zone 4
Reagent or color developing agent obtain corresponding color range, which, which is made card, obtains colorimetric card.
In said program, described contacted with semi-solid sample is as follows：
For semi-solid sample, first inner core 1 is inserted into housing 2, the bottom end of inner core 1 is apart from about 1~5 milli of 2 bottom end of housing
Rice recycles housing 2 to puncture the surface of semi-solid sample, and housing 2 is continued to be inserted into sample, and the liquid in sample will lead to
It crosses siphonage and reaches each detection zone 4 and terminal area 6 on inner core 1 successively, until terminal area 6 changes colour or develops the color；Then make
Direct visual colorimetric determination carried out to detection zone 4 with colorimetric card, or passes through the visual colorimetric determination again of magnifying glass amplification detection area 4, Huo Zhetong
Cross visual colorimetric determination again after ultra violet lamp enables detection zone 4 develop the color, so that it may to determine one or more of sample ingredient
The analysis of property and sxemiquantitative.
In said program, described contacted with solid sample is as follows：
For solid sample, can some water, solution or solvent be sprayed in sample surfaces in advance, surface is enabled to moisten completely
It is wet；Inner core 1 is inserted into housing 2 again, the bottom end of inner core 1 recycles housing 2 to puncture solid apart from about 1~5 millimeter of 2 bottom end of housing
The surface of body sample, and housing 2 is continued to be inserted into sample, until terminal area 6 changes colour or develops the color；If terminal area 6 is not
Discoloration or colour developing, need to spray some water, solution or solvent again to sample surfaces, until terminal area 6 changes colour or develops the color；So
Colorimetric card is used to carry out direct visual colorimetric determination to detection zone 4 afterwards, or by the visual colorimetric determination again of magnifying glass amplification detection area 4, or
Visual colorimetric determination again after person enables detection zone 4 develop the color by ultra violet lamp, so that it may with to one or more of sample ingredient into
Row quantitative and semi-quantitative is analyzed.
In said program, described contacted with gaseous sample is as follows：
For gaseous sample, the bottom end of inner core 1 is exposed except housing 2 about 1~5 millimeter, the part exposed to inner core 1 is sprayed
Some water, solution or wet with solvent are spilt, then display device is placed in gaseous sample；For bottled or packed gas
Sample is inserted into sample, the bottom end that inner core 1 can be first pulled upwardly to inner core 1 apart from about 1~5 millimeter of 2 bottom end of housing, then housing 2
In product bottle or bag, then by handle 3 by inner core 1 release housing 2 other than, enable inner core 1 bottom end expose housing 2 except about 1~5
Millimeter；Then inner core 1 is placed into time enough in gaseous sample, until terminal area 6 changes colour or develops the color；Then it uses
Colorimetric card carries out direct visual colorimetric determination to detection zone 4, either visual colorimetric determination or is passed through again by magnifying glass amplification detection area 4
Visual colorimetric determination again after ultra violet lamp enables detection zone 4 develop the color, so that it may qualitative to be carried out to one or more of sample ingredient
And semi-quantitative analysis.
In said program, described contacted with fluid sample is as follows：
For fluid sample, if liquid is located in open container, can liquid be directly inserted into the bottom end of inner core 1
Among body sample；For the fluid sample being sealed in bottle or in bag, inner core 1 can be first pulled upwardly to the bottom end of inner core 1
It is inserted into sample bottle or bag apart from about 1~5 millimeter of 2 bottom end of housing, then housing 2, is then released inner core 1 by handle 3
Other than housing 2, the bottom end of inner core 1 is enabled to expose except housing 2 about 1~5 millimeter, and be immersed in fluid sample, until terminal area 6
Until discoloration or colour developing；Then direct visual colorimetric determination is carried out to detection zone 4 using colorimetric card, or passes through magnifying glass amplification detection
The visual colorimetric determination again of area 4, or visual colorimetric determination again after enabling detection zone 4 develop the color by ultra violet lamp, so that it may with to one in sample
Kind or Multiple components carry out quantitative and semi-quantitative analysis.
Housing in display device not only shields to inner core, also has the work(for destroying sample outer wall when detecting
Energy.Isolated area so that multiple detection zones can be arranged on an inner core, and each detection zone is not interfere with each other, so as to detect simultaneously
Multiple components.The design in terminal area is even more to show ingenuity, and open-and-shut can indicate whether the process color of detection zone is complete
At.
The present invention compares color method and has carried out significant improvement, realize in sample one or more kinds of ingredient it is quick, high
The scene of effect or in situ detection.The present invention achieves following advantageous effect：
(1) it avoids using expensive instrument and equipment, a variety of chemical compositions can be but detected, and can be with sxemiquantitative
Go out the content of chemical composition.
(2) device and ancillary equipment are simple, and method is easy, at low cost, easily operated, are suitable for scene or in-situ study.
(3) integrated level is high, can simplify testing procedure to being measured simultaneously from Multiple components, improve testing efficiency.
(4) easy to operate, it is time-consuming short, it is not necessarily to professional training, a large amount of manpower and time cost are reduced, to improve life
Produce benefit.
(5) flexibility is strong, can be according to different test needs, the reagent that all colorimetric methods are used and corresponding special
Reaction is applied to the present invention.
(6) detection function for extending colorimetric method, can be not only used for the detection of fluid sample, and can be used for solid
Body, semisolid and gaseous sample.
(7) have a wide range of application, be widely used in environmental monitoring, food security, chemical, medical and health, biotechnology,
The every field such as commodity inspection.
In conclusion the present invention overcomes existing chemical composition detection method is cumbersome, the scope of application is small or instrument
Costliness, the single defect of detection ingredient, the chemical composition rapid detection method equipment provided is simple, at low cost, and method is easy, easily
In operation, be not necessarily to professional training, can quickly, in situ detection, have a wide range of application.
Description of the drawings：
Fig. 1 is the structural schematic diagram of the display device of the embodiment of the present invention one.
Fig. 2 is the structural schematic diagram of the display device of the embodiment of the present invention two.
In figure：1：Inner core；2：Housing；3：Handle；4：Detection zone；5：Isolated area；6：Terminal area.
Specific embodiment
The present invention is described in further detail with reference to embodiment and attached drawing, but the present invention is not limited only to the embodiment.
Embodiment one
The chemical composition rapid detection method of this example, the display device of use is as shown in Figure 1, by inner core 1, housing 2 and hand
Handle 3 forms, and 2 both ends open of housing is sleeved on the lower part of inner core 1, and the upper end of inner core 1 is connect with handle 3；The top of inner core 1 is arranged
There is a terminal area 6, there are three detection zones 4 for setting below terminal area 6, and isolated area 5 is provided between detection zone 4 and terminal area 6, examine
It surveys area 4 and is also equipped with isolated area 5 between each other；Anhydrous cupric sulfate is contained in terminal area 6, and three detection zones 4 contain roccelic acid respectively
Neutralization indicator, aromatic series amino sulfanilamide (SN) and turmeric, isolated area 5 are blank；Inner core 1 is made of water-absorbing material.
Housing 2 is made of materials such as metal, glass, quartz or organic polymers.
Inner core 1 is cylindric.
The preparation method of this example inner core 1 is as follows：
Marked off on inner core 1 detection zone 4, isolated area 5 and terminal area 6 range, then on three detection zones 4 respectively
Be added reindeer moss acid-base indicator solution, the alcoholic solution of aromatic series amino sulfanilamide (SN), turmeric saturation alcoholic solution, in the drop of terminal area 6
Copper sulfate solution is then placed in 45 DEG C of baking oven and is dried to terminal area 6 and is dehydrated and fade, obtains inner core 1.
The preparation method of this example colorimetric card is as follows：
Acid-base material, nitrite and borate are made into a series of standard solution of various concentrations, are separately added into reindeer moss
Acid-base indicator solution, the alcoholic solution of aromatic series amino sulfanilamide (SN), turmeric saturation alcoholic solution, corresponding color range is obtained, by the color
Rank is made card and obtains colorimetric card.
This example carries out the pork of semi-solid sample the detection of freshness, nitrous acid and borate additive, concrete operations
It is as follows：
Inner core 1 is inserted into housing 2, the bottom end of inner core 1 punctures life apart from about 1~5 millimeter of 2 bottom end of housing using housing 2
The surface of pork, and housing 2 is continued to be inserted into raw pork, the liquid in raw pork will successively be reached respectively by siphonage
A detection zone 4 and terminal area 6, until terminal area 6 develops the color；Again by magnifying glass amplification detection area 4 after, with colorimetric card compare
Carry out visual colorimetric determination, you can the detection of quantitative and semi-quantitative is carried out to the acid-base value of pork sample, nitrite and borate.This
Example testing result is as follows：
The testing result of one this example of table
| Detect ingredient | Acid-base value (pH) | Nitrite | Borate |
| Testing result | 5-6 | 20-30ppm | It is not detected |
Since the acid-base value of fresh normal pork is in neutrality more, pH value is 7 or so, and putrid and deteriorated pork is in then meta-acid
Property, pH value is less than 7, therefore the freshness of pork can be judged by acid-base value.Simultaneously can also to harmful nitrite and
Borate additive carries out quantitative and semi-quantitative detection.
Embodiment two
The chemical composition rapid detection method of this example, the display device used as shown in Fig. 2, detection zone 4 for four, four
Detection zone 4 contains reindeer moss acid-base indicator respectively, and black square strangles reagent, 1-amino-2-naphthol-4-sulfonic acid, sulphite and quinhydrones
Mixture, a word used in person's names ammonia enzyme element, { eight certain herbaceous plants with big flowers -1- naphthols of 4- [(2,6- bis- bromo- 4- nitre phenyl) nitrogen] -2- and 2,4,6,8- tetranitro -5-
Anhydrous cobalt chloride is contained in the mixture of octadecane epoxy group -1- naphthols, terminal area 6.Inner core 1 is sheet.
In the preparation method of this example inner core 1, reindeer moss acid-base indicator solution is separately added on four detection zones 4, black square is strangled
Reagent, 1-amino-2-naphthol-4-sulfonic acid, sulphite and quinhydrones mixed solution, a word used in person's names ammonia enzyme element, { 4- [(2,6- bis- bromo- 4-
Nitre phenyl) nitrogen] eight certain herbaceous plants with big flowers -1- naphthols and 2 of -2-, the mixed solution of 4,6,8- tetranitro -5- octadecane epoxy group -1- naphthols.At end
Drop upper cobalt chloride aqueous solution in point area 6 is then placed in 40 DEG C of baking oven and is dried to the dehydration discoloration of terminal area 6, obtains inner core 1.
The preparation method of this example colorimetric card is as follows：
Compound by acid-base material and respectively containing nitrogen, phosphorus, potassium is made into a series of standard solution of various concentrations, respectively
Reindeer moss acid-base indicator solution is added, black square strangles reagent, and the mixing of 1-amino-2-naphthol-4-sulfonic acid, sulphite and quinhydrones is molten
Liquid, a word used in person's names ammonia enzyme element, { eight certain herbaceous plants with big flowers -1- naphthols of 4- [(2,6- bis- bromo- 4- nitre phenyl) nitrogen] -2- and 2,4,6,8- tetranitro -5- octadecanes
The mixed solution of epoxy group -1- naphthols, obtains corresponding color range, which, which is made card, obtains colorimetric card.
This example carries out the soil of solid sample the detection of acid-base value and nutrient content, and concrete operations are as follows：
Some deionized waters first are sprayed in soil surface in advance, enable surface complete wetting；Inner core 1 is inserted into housing 2 again,
The surface of soil is injected in 2 bottom end of housing by the bottom end of inner core 1 apart from about 1~5 millimeter of 2 bottom end of housing, and continues deeper into soil
In, whether the leachate observed in soil reaches each detection zone 4 and terminal area 6 by siphonage successively；If terminal
Area 6 does not change colour, just sprays some deionized waters to soil surface again, until terminal area 6 changes colour；Then inner core 1 is extracted, is compareed
Colorimetric card carries out direct visual colorimetric determination, you can the detection of quantitative and semi-quantitative is carried out to the acid-base value of soil, nitrogen, phosphorus and potassium.This
Example testing result is as follows：
The testing result of two this example of table
| Detect ingredient | Acid-base value (pH) | Nitrogen | Phosphorus | Potassium |
| Testing result | 8-9 | 100-150ppm | 40-60ppm | 125-150ppm |
This example can simple, quick testing soil acid-base value, and semidefinite measures the content of nitrogen, phosphorus, potassium, contributes to peasant
It improves salt-soda soil and applies fertilizers scientifically, improve the economic benefit of agricultural production.
Remaining is the same as embodiment one.
Embodiment three
The chemical composition rapid detection method of this example, for three, three detection zones 4 divide the display device detection zone 4 used
Do not contain the complex of 2,4- dinitrophenylhydrazone -4,5- di (hetero) nitrogen Fluorenone and ruthenium, lead acetate, starch potassium iodide, terminal area 6
Contain chance water discoloration silica gel.
In the preparation method of this example inner core 1,2,4- dinitrophenylhydrazone -4,5- di (hetero)s are separately added on three detection zones 4
The complex solution of nitrogen Fluorenone and ruthenium, acetic acid lead solution, starch potassium iodide solution.It is coated in terminal area 6 and meets water discoloration silica gel, so
After be put into 50 DEG C of baking oven be dried to terminal area 6 dehydration discoloration, obtain inner core 1.
The preparation method of this example colorimetric card is as follows：
Hydrogen fluoride, hydrogen sulfide and chlorine are made into a series of standard solution of various concentrations, are separately added into 2,4- dinitros
The complex solution of phenylhydrazone -4,5- di (hetero) nitrogen Fluorenone and ruthenium, acetic acid lead solution, starch potassium iodide solution obtain corresponding color
The color range is made card and obtains colorimetric card by rank.
This example carries out the industrial tail gas of gaseous sample the detection of hydrogen fluoride, hydrogen sulfide and chlorine content, and concrete operations are such as
Under：
Inner core 1 is inserted into housing 2, the bottom end of inner core 1 exposes except housing 2 about 1~5 millimeter, the portion exposed to inner core 1
Divide and spray the wetting of some sodium hydrate aqueous solutions, industrial tail gas floss hole is then placed within, until terminal area 6 changes colour；Most
Control colorimetric card carries out direct visual colorimetric determination afterwards, you can to hydrogen fluoride, hydrogen sulfide and the chlorine in industrial tail gas carry out it is qualitative and
The detection of sxemiquantitative.This example testing result is as follows：
Testing result (the unit of three this example of table：ppm)
| Detect ingredient | Hydrogen fluoride | Hydrogen sulfide | Chlorine |
| Testing result | 1000-1200 | 180-200 | It is not detected |
This example can simply, quickly test the pernicious gas ingredient in tail gas, and semidefinite measures the content of harmful components,
Help to take timely measure processing tail gas to discharge again, can effectively reduce the pollution to environment.
Remaining is the same as embodiment one.
Example IV
The chemical composition rapid detection method of this example, for three, three detection zones 4 divide the display device detection zone 4 used
Do not contain dimethylglyoxime, rhodamine derivative, determination arsenic, chance water discoloration silica gel is contained in terminal area 6.
In the preparation method of this example inner core 1, it is separately added into dimethylglyoxime solution on three detection zones 4, is spread out containing rhodamine
The Tris-HCl buffer solutions of biology, determination arsenic.It is coated in terminal area 6 and meets water discoloration silica gel, be then placed in baking
40 DEG C of case is dried to the dehydration discoloration of terminal area 6, obtains inner core 1.
The preparation method of this example colorimetric card is as follows：
Compound respectively containing nickel, mercury, arsenic is made into a series of standard solution of various concentrations, is separately added into diacetyl
Oxime solution, the Tris-HCl buffer solutions of the derivative containing rhodamine, determination arsenic obtain corresponding color range, will
The color range is made card and obtains colorimetric card.
This example carries out the industrial wastewater of fluid sample the detection of nickel, mercury and arsenic content, and concrete operations are as follows：
A small amount of industrial wastewater is taken to be put into glass sample bottle, bottleneck puts rubber sheet gasket, then is covered tightly, sealed with head space lid.It will
Inner core 1 is pulled upwardly to the bottom end of inner core 1 apart from about 1~5 millimeter of 2 bottom end of housing, then punctures rubber sheet gasket with housing 2, is inserted into sample
In product bottle, then inner core 1 is released other than housing 2 by handle, the bottom end of inner core 1 is enabled to expose except housing 2 about 1~5 millimeter
And be immersed in industrial wastewater to be measured, until terminal area 6 changes colour；Inner core 1 is extracted, enables detection zone aobvious with ultra violet lamp
Colorimetric card visual colorimetric determination is compareed after color again, you can the detection of quantitative and semi-quantitative is carried out to nickel, mercury and the arsenic in industrial wastewater.This
Example testing result is as follows：
The testing result of four this example of table
(unit：ppm)
| Detect ingredient | Nickel | Mercury | Arsenic |
| Testing result | 1500-1700 | 5-10 | 20-40 |
This example can simply, quickly test the heavy metal in waste water, and semidefinite measures the content of heavy metal, contribute to and
When adjustment wastewater treatment used in heavy metal treatment agent and treatment process, effectively reduce cost for wastewater treatment.
Remaining is the same as embodiment one.
Embodiment five
The chemical composition rapid detection method of this example, for the display device detection zone 4 used for one, detection zone 4 contains nitre
Anhydrous cobalt chloride is contained in sour silver, terminal area 6.
In the preparation method of this example inner core 1, silver nitrate solution is added on detection zone 4, drips upper cobalt chloride water in terminal area 6
Solution is then placed in 40 DEG C of baking oven and is dried to the dehydration discoloration of terminal area 6, obtains inner core 1.
The preparation method of this example colorimetric card is as follows：
Sulfide is made into a series of standard solution of various concentrations, is separately added into silver nitrate solution, obtains corresponding color
The color range is made card and obtains colorimetric card by rank.
This example carries out the gruel, egg custard and Kiwi berry of semi-solid sample the detection of sulfide, and concrete operations are as follows：
A small amount of gruel, egg custard and Kiwi berry are taken respectively；Inner core 1 is inserted into housing 2, the bottom end of inner core 1 is apart from 2 bottom of housing
About 1~5 millimeter of end recycles 2 bottom end of housing to puncture the surface of sample, continues housing 2 to be inserted into sample, until terminal area 6
Until discoloration；Then control colorimetric card carries out direct visual colorimetric determination, and the inspection of quantitative and semi-quantitative is carried out to the sulfide in sample
It surveys.This example testing result is as follows：
The testing result of five this example of table
(unit：ppm)
| Food | Gruel | Egg custard | Kiwi berry |
| Sulfide content | It is not detected | 1-5 | 1-5 |
This example can replace the acupuncture needle of ancient method to visit poison completely, as long as containing sulfide in sample, detection zone will become black
Color, and the content of sulfide can be judged by colorimetric, enable detection more acurrate.
Remaining is the same as embodiment one.
Claims (9)
1. a kind of chemical composition rapid detection method, it is characterised in that a kind of display device is used, with semi-solid sample, solid-like
Product, gaseous sample or fluid sample contact, until develop the color completely after, compareed with colorimetric card, you can in sample one kind or
Multiple components obtain qualitative or sxemiquantitative testing result；The display device is by inner core (1), housing (2) and handle (3) group
At housing (2) both ends open is sleeved on the lower part of inner core (1), and the upper end of inner core (1) is connect with handle (3)；The top of inner core (1)
It is provided with terminal area (6), detection zone (4) is provided with below terminal area (6), is provided between detection zone (4) and terminal area (6)
Isolated area (5), detection zone (4) are also equipped with isolated area (5) between each other；Terminal area (6) containing meet water or solvent changeable colour or
The substance of colour developing, detection zone (4) contain specific reagent or color developing agent, and isolated area (5) is blank；The inner core (1) is by hydroscopicity
Or it inhales solvent-based material and is made.
2. chemical composition rapid detection method according to claim 1, it is characterised in that the inner core (1) is cylindric or piece
Shape.
3. chemical composition rapid detection method according to claim 1, it is characterised in that the chance water or solvent changeable colour or
The substance of colour developing is anhydrous cupric sulfate, anhydrous cobalt chloride or chance water discoloration silica gel；Specific reagent makes for what colorimetric method used
The substance of specified chemical reaction occurs for chemical composition to be measured；Color developing agent makes chemical composition to be measured develop the color for what colorimetric method used
Substance.
4. chemical composition rapid detection method according to claim 1, it is characterised in that the preparation method of the inner core (1) is such as
Under：
Marked off on inner core (1) detection zone (4), isolated area (5) and terminal area (6) range, then on detection zone (4) point
The solution of different specific reagents or color developing agent is not added, is added in terminal area (6) and meets water or solvent changeable colour or colour developing
The solution of substance obtains inner core (1) after dry.
5. chemical composition rapid detection method according to claim 1, it is characterised in that the preparation method of the colorimetric card is such as
Under：
Chemical composition to be measured is made into a series of standard solution of various concentrations, is added and identical special examination on detection zone (4)
Agent or color developing agent obtain corresponding color range, which, which is made card, obtains colorimetric card.
6. chemical composition rapid detection method according to claim 1, it is characterised in that described to contact with semi-solid sample
It is as follows：
For semi-solid sample, first inner core (1) is inserted into housing (2), the bottom end of inner core (1) apart from housing (2) bottom end about 1~
5 millimeters, housing (2) is recycled to puncture the surface of semi-solid sample, and continues housing (2) to be inserted into sample, the liquid in sample
Body will reach each detection zone (4) and terminal area (6) on inner core (1) successively by siphonage, until terminal area (6) becomes
Color or colour developing；Then it uses colorimetric card to carry out direct visual colorimetric determination to detection zone (4), or passes through magnifying glass amplification detection area
(4) visual colorimetric determination again, or visual colorimetric determination again after enabling detection zone (4) develop the color by ultra violet lamp, so that it may in sample
One or more kinds of ingredients carry out the analysis of quantitative and semi-quantitative.
7. chemical composition rapid detection method according to claim 1, it is characterised in that the tool contacted with solid sample
Steps are as follows for body：
For solid sample, can some water, solution or solvent be sprayed in sample surfaces in advance, enable surface complete wetting；Again
Inner core (1) is inserted into housing (2), the bottom end of inner core (1) recycles housing (2) to pierce apart from about 1~5 millimeter of housing (2) bottom end
The surface of broken solid sample, and housing (2) is continued to be inserted into sample, until terminal area (6) change colour or develop the color；If eventually
Point area (6) do not change colour or develop the color, some water, solution or solvent need to be sprayed again to sample surfaces, until terminal area (6) discoloration or
Until colour developing；Then it uses colorimetric card to carry out direct visual colorimetric determination to detection zone (4), or passes through magnifying glass amplification detection area
(4) visual colorimetric determination again, or visual colorimetric determination again after enabling detection zone (4) develop the color by ultra violet lamp, so that it may in sample
One or more kinds of ingredients carry out quantitative and semi-quantitative analysis.
8. chemical composition rapid detection method according to claim 1, it is characterised in that the tool contacted with gaseous sample
Steps are as follows for body：
For gaseous sample, the bottom end of inner core (1) is exposed except housing (2) about 1~5 millimeter, the part exposed to inner core (1)
Some water, solution or wet with solvent are sprayed, then display device is placed in gaseous sample；For bottled or packed gas
Inner core (1) first can be pulled upwardly to the bottom end of inner core (1) apart from about 1~5 millimeter of housing (2) bottom end, then housing by body sample
(2) it is inserted into sample bottle or bag, then is released inner core (1) other than housing (2) by handle (3), the bottom end of inner core (1) is enabled to reveal
Go out except housing (2) about 1~5 millimeter；Then inner core (1) is placed into time enough in gaseous sample, until terminal area (6)
Until discoloration or colour developing；Then it uses colorimetric card to carry out direct visual colorimetric determination to detection zone (4), or is amplified by magnifying glass and examined
Area (4) visual colorimetric determination again is surveyed, or visual colorimetric determination again after enabling detection zone (4) develop the color by ultra violet lamp, so that it may with to sample
One or more of ingredient carry out quantitative and semi-quantitative analysis.
9. chemical composition rapid detection method according to claim 1, it is characterised in that the tool contacted with fluid sample
Steps are as follows for body：
For fluid sample, if liquid is located in open container, can liquid be directly inserted into the bottom end of inner core (1)
Among sample；For the fluid sample being sealed in bottle or in bag, inner core (1) can be first pulled upwardly to the bottom of inner core (1)
End is inserted into apart from about 1~5 millimeter of housing (2) bottom end, then housing (2) in sample bottle or bag, then will be interior by handle (3)
Core (1) is released other than housing (2), enables the bottom end of inner core (1) expose except housing (2) about 1~5 millimeter, and be immersed in liquid-like
In product, until terminal area (6) change colour or develop the color；Then colorimetric card is used to carry out direct visual colorimetric determination to detection zone (4), or
Person is by magnifying glass amplification detection area (4) visual colorimetric determination again, or after enabling detection zone (4) develop the color by ultra violet lamp again visually
Colorimetric, so that it may to carry out quantitative and semi-quantitative analysis to one or more of sample ingredient.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810555345.1A CN108760731A (en) | 2018-06-01 | 2018-06-01 | Chemical composition rapid detection method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810555345.1A CN108760731A (en) | 2018-06-01 | 2018-06-01 | Chemical composition rapid detection method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108760731A true CN108760731A (en) | 2018-11-06 |
Family
ID=64001646
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810555345.1A Pending CN108760731A (en) | 2018-06-01 | 2018-06-01 | Chemical composition rapid detection method |
Country Status (1)
| Country | Link |
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| CN (1) | CN108760731A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111879768A (en) * | 2020-07-30 | 2020-11-03 | 上海化工研究院有限公司 | Multifunctional acid-base gradient rapid detection bottle with segmented color development function and application thereof |
| CN112229776A (en) * | 2020-09-04 | 2021-01-15 | 中国人民解放军海军特色医学中心 | Filter saturation indication color development tube and preparation method and application thereof |
| CN112285271A (en) * | 2020-10-22 | 2021-01-29 | 东来涂料技术（上海）股份有限公司 | Method for judging moisture content of organic solvent |
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| CN112285271A (en) * | 2020-10-22 | 2021-01-29 | 东来涂料技术（上海）股份有限公司 | Method for judging moisture content of organic solvent |
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Application publication date: 20181106 |