CN109406504A - Ammonia nitrogen quickly detects solid powder reagent and kit in a kind of water - Google Patents
Ammonia nitrogen quickly detects solid powder reagent and kit in a kind of water Download PDFInfo
- Publication number
- CN109406504A CN109406504A CN201811416606.8A CN201811416606A CN109406504A CN 109406504 A CN109406504 A CN 109406504A CN 201811416606 A CN201811416606 A CN 201811416606A CN 109406504 A CN109406504 A CN 109406504A
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- ammonia nitrogen
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- solid powder
- reaction tube
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- G—PHYSICS
- G01—MEASURING; TESTING
- 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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- G—PHYSICS
- G01—MEASURING; TESTING
- 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
- G01N2021/775—Indicator and selective membrane
Abstract
The invention belongs to field of chemical detection, and in particular to ammonia nitrogen quickly detects solid powder reagent and kit in a kind of water, which includes following components: 50 ~ 75 parts of sodium potassium tartrate tetrahydrate；1-2 parts of potassium nitroferrocyanide；3-5 parts of sodium dichloro cyanurate；50-75 parts of sodium salicylate；50-75 parts of sodium carbonate.The reagent holding time of the invention is long, easy to operate, and used reagent is all common chemical reagent, securely and reliably, can be used for measuring the ammonia-nitrogen content in the water bodys such as the surface water, underground water, industrial wastewater and sanitary sewage.
Description
Technical field
The invention belongs to field of chemical detection, and in particular to ammonia nitrogen quickly detects solid powder reagent and reagent in a kind of water
Box.
Background technique
Mainly with nitrate nitrogen (NO in natural terrain water body and body of groundwater3) based on, with free ammonia (NH3) and ammonium ion
(NH4+) nitrogen polluted water body existing for form ammonia nitrogen hydration ammonia, also referred to as non-ionic ammonia.Non-ionic ammonia is to cause aquatile
The Main Factors of murder by poisoning, and ammonium ion is relatively basic nontoxic.The III class surface water of national standard, concentration≤1 milli of nonionic ammonia nitrogen
Grams per liter.Ammonia nitrogen is the nutrient in water body, can lead to the generation of water eutrophication phenomenon, is the main oxygen consumption pollutant in water body,
It is toxic to fish and certain aquatiles.Ammonia nitrogen in water can be converted to nitrite under certain condition, if for a long time
It drinks, the nitrite in water will combine with protein and form nitrosamine, this is a kind of strong carcinogen, extremely to human health
It is unfavorable.Ammonia nitrogen plays the mainly free ammonia of damaging effect to aquatic organism, and toxicity is more several ten times larger than ammonium salt, and with the enhancing of alkalinity
And increase.The pH value and water temperature of ammonia nitrogen toxicity and water have substantial connection, and ordinary circumstance, pH value and water temperature are higher, and toxicity is stronger,
Nitrite is similar to the harm of fish.Ammonia nitrogen is divided into the harm of aquatic organism acute and chronic.Chronic ammonia nitrogen poisoning harm
Are as follows: reduction of ingesting, decreased growth, tissue damage reduce conveying of the oxygen between tissue.Fish are more sensitive to ammonia nitrogen in water, when
It will lead to fish death when ammonia-nitrogen content is high.The poisoning harm of acute ammonia nitrogen are as follows: aquatic organism performance is excited, in water balance,
Twitch, serious person are even dead.Therefore how quick and precisely to detect Water quality ammonia nitrogen content, for further work provide foundation at
For current popular research direction.
The most important detection method in laboratory is Berthelot spectrophotometry HJ 535-2009 at present, and drawback is:
First is that the operation of instrument is relatively complicated, needing could be proper use of by certain training and learning；Second is that the purchase of instrument at
This is universal higher, general quantity purchase be all it is limited, be not able to satisfy while carrying out the development of mass detection task, examination used
Contain mercury chloride toxic articles in agent, liquid waste processing is more troublesome after detection；Last point is also the most important, and instrument needs
It can be used by measurement verification qualification rear, not only need to spend the expense of periodic verification, it is also necessary to the expense of flower periodic maintenance, and
And carry out calibration before use every time and be just capable of measuring, this is not economical enough for non-professional personnel, also not convenient enough.
Application No. is 200510037389.8 Chinese patents to disclose ammonia nitrogen concentration quick detection reagent and usage in water,
The patent is A, B bi-component package, and wherein sodium tartrate, sodium salicylate, trisodium citrate and sodium nitroprussiate are fully ground by component A
It is uniformly mixed, B component is by sodium hydroxide, lithium hydroxide, trisodium citrate, sodium dichloro cyanurate, sodium trichloro-isocyanurate, wine
Stone acid sodium is fully ground uniformly mixed.A reagent packet is added in water sample when use, B reagent packet is added after placing 2 minutes, places
It can be compared after ten minutes with standard color comparison card, read the ammonia nitrogen concentration in water.The patent measuring method developing time is 10 points
More than clock, the time is longer, and is bi-component, needs first to add component A, adds B component after 2 minutes again, operates cumbersome.
Application No. is 201510012427.8 Chinese patents to disclose a kind of ammonia nitrogen Test paper and its application method, should
Test paper is made by following methods, including step reagent solution is prepared: taking analytically pure sodium salicylate, sodium potassium tartrate tetrahydrate and nitroso
The sodium ferricyanide is dissolved in no ammonium hydroxide, is configured to containing quantitative sodium salicylate, sodium potassium tartrate tetrahydrate and sodium nitroprusside solution；
Quantitative Medium speed filter paper is totally immersed into solution, is vibrated 60 ~ 120 minutes on constant temperature oscillator；Filter paper is taken out, is put down at room temperature
Row is placed, and is vacantly dried, plastic packaging is spare after cutting.Activator is added when use into water sample to be measured, every 1ml water sample to be measured need to add
Enter 4 drop activator, takes this mixed liquor one drop on test paper, standing 3 to after five minutes after shaking up, compare with standard color comparison card, judge
Out in sample ammonia nitrogen concentration.The patent is molten with no ammonium hydroxide and sodium hydroxide using the proven pure sodium hypochlorite of analysis
Liquid is diluted to 3.5g/L containing effective chlorine density, and the liquor natrii hypochloritis of free alkali concentration 0.75mol/L is activator, the activator
Stability is poor, is not easy long-term preservation, and the activator is corrosive to human body.Detection is must first to add activator, then
It is detected again with Test paper, process is cumbersome.Testing result is big with actual deviation.
Summary of the invention
The purpose of the invention is to overcome shortcoming and defect of the existing technology, and it is quick to provide ammonia nitrogen in a kind of water
Detect solid powder reagent and kit.
The technical solution used in the present invention is as follows: ammonia nitrogen quickly detects solid powder reagent in a kind of water, including following
Component:
50 ~ 75 parts of sodium potassium tartrate tetrahydrate；
1-2 parts of potassium nitroferrocyanide；
3-5 parts of sodium dichloro cyanurate；
50-75 parts of sodium salicylate；
50-75 parts of sodium carbonate.
Load weighted each component is mixed, is fully ground to 80 meshes are crossed, is obtained ammonia nitrogen in water and quickly detect solid powder
Reagent.
Ammonia nitrogen quickly detects solid powder reality kit in a kind of water, including individually seal-packed above-mentioned with doses
Water in ammonia nitrogen quickly detect solid powder reagent, colorimetric card.
The colorimetric card includes several having standard colorimetric reaction tube, upper connector made of transparent material, lower connector, institute
State upper connector and be equipped with the perforative through-hole passed through for standard colorimetric reaction tube, the lower connector upper end be equipped with for
Standard colorimetric reacts the accommodation groove of bottom of the tube grafting, and the standard colorimetric reaction tube is limited on upper connector and lower connector,
It is equipped with ammonia nitrogen in above-mentioned water in the standard colorimetric reaction tube and quickly detects solid powder reagent, in standard colorimetric reaction tube
It is suitable with independent seal-packed dosage quickly to detect solid powder reagent dosage for ammonia nitrogen in water, configures the ammonia of several various concentrations
Nitrogen standard solution, and in equal volume be added standard colorimetric reaction tube in, pressurizing window, and on standard colorimetric reaction tube and/or on
The mark of corresponding concentration is carried out on connector and/or lower connector.
It is used with the packaging that ammonia nitrogen in doses individually seal-packed above-mentioned water quickly detects solid powder reagent
With the detection reaction tube of standard colorimetric reaction tube same material, same shape, detects reaction tube and ammonia in the water of target dose is added
After nitrogen quickly detects solid powder reagent, sealing of jumping a queue is vacuumized, the sealing material of jumping a queue that reaction tube is taken is detected and chooses note
The material of emitter injectable.
Left and right connection forms cascaded structure between the upper connector, and left and right connection forms series connection between the lower connector
It ties, one group of upper connector and lower connector is set between every two standard colorimetric reaction tube, for placing detection reaction tube.
It is hinged between the upper connector, it is hinged between the lower connector.
It further include having syringe, the maximum uptake of the syringe is equal to or more than the volume of Ammonia nitrogen standard liquid.
Further include and the matched disposable filter of syringe.
Ammonia nitrogen quickly detects the quality of solid powder reagent and the ammonia nitrogen of addition in the water contained in standard colorimetric reaction tube
The ratio of the volume of standard solution is 0.2g:10ml.
Beneficial effects of the present invention are as follows: the reagent holding time of the invention is long, easy to operate, and used reagent is all
Common chemical reagent securely and reliably can be used for measuring in the water bodys such as the surface water, underground water, industrial wastewater and sanitary sewage
Ammonia-nitrogen content.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention, for those of ordinary skill in the art, without any creative labor, according to
These attached drawings obtain other attached drawings and still fall within scope of the invention.
Fig. 1 is the schematic diagram of the section structure of standard colorimetric device；
Fig. 2 is the top view of standard colorimetric device；
In figure, 1, standard colorimetric reaction tube；2, upper connector；201, through-hole；3, lower connector；301, accommodation groove.
Specific embodiment
To make the object, technical solutions and advantages of the present invention clearer, the present invention is made into one below in conjunction with attached drawing
Step ground detailed description.
The standard colorimetric apparatus structure that following embodiment is taken is as follows:
As shown in Figure 1, having standard colorimetric reaction tube 1, upper connector 2 made of transparent material, lower connector 3, institute including several
It states upper connector 2 and is equipped with the perforative through-hole 201 passed through for standard colorimetric reaction tube 1, lower 3 upper end of connector is equipped with
For the accommodation groove 301 with the 1 bottom grafting of standard colorimetric reaction tube, it is fast that ammonia nitrogen in water is equipped in the standard colorimetric reaction tube 1
Speed detection solid powder reagent, ammonia nitrogen quickly detects solid powder reagent dosage and individually in the water in standard colorimetric reaction tube 1
Seal-packed dosage is suitable, configures the Ammonia nitrogen standard liquid of several various concentrations, and standard colorimetric reaction tube 1 is added in equal volume
Interior, then sealed package repeats to shake up after packaging, is completely dissolved solid powder reagent.
The standard colorimetric reaction tube 1 is limited on upper connector 2 and lower connector 3, can pass through gluing after placing
Agent is applied to standard colorimetric reaction tube 1 and the fixation of standard colorimetric reaction tube 1 is realized in upper connector 2,3 junction of lower connector,
And the mark of corresponding concentration is carried out on standard colorimetric reaction tube 1 and/or on upper connector 2 and/or lower connector 3.
Standard colorimetric reaction tube 1 can take the materials such as tempered glass, transparent plastic.Sealed package can be moulded in nozzle
Envelope.
The packaging that ammonia nitrogen quickly detects solid powder reagent in water uses and 1 same material of standard colorimetric reaction tube, identical
The detection reaction tube of shape, detection reaction tube are added in the water of target dose after ammonia nitrogen quickly detects solid powder reagent, take out true
Sky is jumped a queue sealing, and the material of what detection reaction tube 4 was taken jump a queue sealing material chooses syringe injectable can take powder needle
The bottleneck manner of packing of agent.
Left and right connection forms cascaded structure between the upper connector 2, and left and right connection forms string between the lower connector 3
It is coupled, one group of upper connector 2 and lower connector 3 is set between every two standard colorimetric reaction tube 1, for places detection reaction
Pipe.It is hinged between the upper connector 2, it is hinged between the lower connector 3, it can roll in this way, save space, it can also be with
It is connected by rope.
It can also be fixedly connected with every two groups of upper connectors 2 with lower connector 3, one group of upper connector 2 in left or right side
A standard colorimetric reaction tube 1 is fixed with lower connector 3, forms a colorimetric unit, when placement, colorimetric unit presses concentration
Sequence is placed side by side in the box of an adaptation, and one group of vacant upper connector 2 and lower connector 3 are placed inwardly, standard ratio
Colour response pipe 1 is placed outwardly, is convenient for color observation.When needing colorimetric, a colorimetric unit is taken out, reaction tube is will test and is placed on
In vacant one group of upper connector 2 and lower connector 3, colorimetric is carried out, or take out two colorimetric units, combines left and right grafting,
Then it will test reaction tube to be placed between two standard colorimetric reaction tubes 1, carry out colorimetric, more whether observe color in the concentration
In section.
Ammonia nitrogen quickly detects solid powder reagent and sells together in collocation standard colorimetric device and independent seal-packed water
Water in ammonia nitrogen quickly detect in solid powder reality kit, there are also syringe, with the matched disposable filter of syringe, institute
The maximum uptake for stating syringe is equal to or more than the volume of Ammonia nitrogen standard liquid, when test, extracts objective body by syringe
Then long-pending solution to be measured is injected into detection reaction tube by disposable filter filtering, shakes up, color is waited no longer to change,
Then the more similar standard colorimetric reaction tube 1 of color is found in standard colorimetric device, be will test reaction tube and is placed on two
One group of upper connector 2 and lower connector 3 between standard colorimetric reaction tube 1, are compared.
Following effect may be implemented by above-mentioned kit:
1. conventional colorimetric card usually first prepares the standard solution of various concentration, chromogenic reaction is then carried out, corresponding concentration is obtained
Color, be made multiple colour atlas after acquiring color by the color collecting device of profession, assembling forms colorimetric card, will when test
Solution to be measured carries out chromogenic reaction, is then compared with colorimetric card, it was therefore concluded that.It, may be due to standard for liquid colorimetric
The difference of the extraneous factors such as test container, the illumination of colorimetric solution and test solution causes to carry out color contrast meeting by naked eyes
Large error is generated, and is detected by Test paper, for same prepare liquid, reaction time, sample-adding amount are different, and color is just
Can be variant, and the also difference seen under different illumination, so error is larger.And above-mentioned kit is used to carry out color pair
Than that standard colorimetric solution and test solution can be placed in the test container for the same shape that same material is made into, then
It is placed under the conditions of same light is shone and compares, it is as a result relatively more accurate.
2. portable: standard colorimetric device can roll or split it is placed side by side, along with multiple detections reaction
Pipe, syringe, disposable filtering device are placed in a box, do not need to carry additional container, sampler
Deng.
3. easy to operate: extracting the solution to be measured of target volume by syringe, infused after being filtered by disposable filter
A detection reaction tube is injected, is shaken up, is stood, carries out colorimetric after waiting colour stables.
4. can keep sample verifying: by visually more only can be obtained general concentration range, after colorimetric, after reaction
Sample can take in laboratory, pass through spectrophotometry and carry out accurate measurement concentration.
Embodiment 1:
1, ammonia nitrogen quickly detects the preparation method of solid powder reagent in water: by 75g sodium potassium tartrate tetrahydrate, 2.0 g nitroso iron cyanogen
Change potassium, 5g sodium dichloro cyanurate, 75g sodium salicylate, 75g sodium carbonate to be uniformly mixed, above-mentioned material is added to agate mortar
In, after being fully ground cross 80 mesh standard sieves, it is multiple detection reaction tubes 4 in be added 0.2g mixed-powders, vacuumize plus
Plug sealing.
2, it the preparation of standard colorimetric reagent: accurately weighs the pure ammonium chloride of analysis and is dissolved in deionized water, compound concentration is
0.1mg/L、0.2mg/L、0.5mg/L、0.75mg/L、1.0mg/L、1.5 mg/L、2.0mg/L、4.0 mg/L、6.0 mg/L、
8.0 mg/L, 10 mg/L, 12 mg/L, 14 mg/L, 16 mg/L, 18 mg/L, 20mg/L Ammonia nitrogen standard liquids, take various ammonia
Nitrogen titer 10ml is separately added into 0.2g solid reagent, and lidstock packaging shakes up, and color is basicly stable after colour developing 9 minutes,
Standard colorimetric reagent is made.
Embodiment 2:
1, ammonia nitrogen quickly detects the preparation method of solid powder reagent in water: by 50g sodium potassium tartrate tetrahydrate, 1.1 g nitroso iron cyanogen
Change potassium, 4g sodium dichloro cyanurate, 50g sodium salicylate, 50g sodium carbonate to be uniformly mixed, above-mentioned material is added to agate mortar
In, 80 mesh standard sieves are crossed after being fully ground, and the mixed-powder of 0.2g is added in multiple detection reaction tubes, vacuumize jumping a queue
Sealing.
2, the preparation of standard colorimetric reagent: being added the mixed-powder of 0.2g in multiple standard colorimetric reaction tubes 1, accurate to claim
Take the pure ammonium chloride of analysis to be dissolved in deionized water, compound concentration 0.1mg/L, 0.2mg/L, 0.5mg/L, 0.75mg/L,
1.0mg/L、1.5 mg/L、2.0mg/L、4.0 mg/L、6.0 mg/L、8.0 mg/L、10 mg/L、12 mg/L、14 mg/L、
16 mg/L, 18 mg/L, 20mg/L Ammonia nitrogen standard liquids, take various ammonia nitrogen titer 10ml, are separately added into 0.2g solid reagent,
Lidstock packaging, shakes up, and color is basicly stable after colour developing 9 minutes, and standard colorimetric reagent is made.
Embodiment 3:
1, ammonia nitrogen quickly detects the preparation method of solid powder reagent in water: by 75g sodium potassium tartrate tetrahydrate, 1.5g nitroso iron cyaniding
Potassium, 5g sodium dichloro cyanurate, 75g sodium salicylate, 75g sodium carbonate are uniformly mixed, and above-mentioned material is added in agate mortar,
After being fully ground cross 80 mesh standard sieves, it is multiple detection reaction tubes in be added 0.2g mixed-powders, vacuumize jump a queue it is close
Envelope.
2, it the preparation of standard colorimetric reagent: accurately weighs the pure ammonium chloride of analysis and is dissolved in deionized water, compound concentration is
0.1mg/L、0.2mg/L、0.5mg/L、0.75mg/L、1.0mg/L、1.5 mg/L、2.0mg/L、4.0 mg/L、6.0 mg/L、
8.0 mg/L, 10 mg/L, 12 mg/L, 14 mg/L, 16 mg/L, 18 mg/L, 20mg/L Ammonia nitrogen standard liquids, take various ammonia
Nitrogen titer 10ml is separately added into 0.2g solid reagent, and lidstock packaging shakes up, and color is basicly stable after colour developing 9 minutes,
Standard colorimetric reagent is made.
Solid detecting reagent prepared by embodiment 1-3 is tested: taking water sample 10ml to be measured, is detected in reaction tube,
It sufficiently shakes up, water sample color to be measured is deepened, color color change from faint yellow to dark blue with the increase of ammonia nitrogen concentration, places 9
After minute, color is basicly stable, with standard colorimetric solvent colorimetric, reads the concentration of ammonia nitrogen in water.Test result is as shown in table 1.
As seen from the table, the present invention relatively can accurately measure the concentration of ammonia nitrogen in water.
By standard colorimetric reagent prepared by embodiment 1-3,0.5mg/L, 4.0 mg/L, 10 mg/L, 20mg/L tetra- are taken
Standard colorimetric reagent, is added dropwise in transparent glass on piece, measures colouring information (RGB mode) with suction pipe, records (R, G, B).
By standard colorimetric reagent prepared by embodiment 1-3, three groups of 5mg/L, 4.0 mg/L, 10 mg/L, 20mg/L tetra- are taken
A standard colorimetric reagent, be respectively placed in 40 DEG C or so, at room temperature, carry out in refrigerator (4 DEG C) saving 1 year, be added dropwise in transparent glass
Glass on piece measures colouring information (RGB mode) with suction pipe, records (R, G, B).Three groups of standard colorimetrics saved at different temperatures
The colouring information of reagent is unchanged, can obtain conclusion, which will not change with time change, color,
It can save long period.
By ammonia nitrogen in water prepared by embodiment 1-3 quickly detect solid powder reagent it is sealed and packed after, be placed in 40 DEG C
Left and right, at room temperature, carry out in refrigerator (4 DEG C) saving 1 year, make sample with 2.0mg/L, 5 mg/L, 10 mg/L Ammonia nitrogen standard liquids
Test, compared with standard color comparison card, testing result is complied fully with.
In the above-described embodiments, the volume of standard colorimetric reaction tube 1 and detection reaction tube is greater than 10mL, in order to reduce water
Middle ammonia nitrogen quickly detects the volume of solid powder kit, can quickly be detected by ammonia nitrogen in water the quality of solid powder reagent with
The ratio of the volume of the ammonia nitrogen solution of addition is that the ratio of 0.2g:10ml is suitably reduced.
The above disclosure is only the preferred embodiments of the present invention, cannot limit the right model of the present invention with this certainly
It encloses, therefore equivalent changes made in accordance with the claims of the present invention, is still within the scope of the present invention.
Claims (10)
1. ammonia nitrogen quickly detects solid powder reagent in a kind of water, which is characterized in that including following components:
50 ~ 75 parts of sodium potassium tartrate tetrahydrate；
1-2 parts of potassium nitroferrocyanide；
3-5 parts of sodium dichloro cyanurate；
50-75 parts of sodium salicylate；
50-75 parts of sodium carbonate.
2. ammonia nitrogen quickly detects solid powder reagent in water according to claim 1, it is characterised in that: will be load weighted each
Component mixing is fully ground to 80 meshes are crossed, obtains ammonia nitrogen in water and quickly detect solid powder reagent.
3. ammonia nitrogen quickly detects solid powder kit in a kind of water, it is characterised in that: including individually sealing packet with doses
Ammonia nitrogen quickly detects solid powder reagent, colorimetric device in the water described in claim 1 of dress.
4. ammonia nitrogen quickly detects solid powder kit in water according to claim 3, which is characterized in that the colorimetric dress
Setting has standard colorimetric reaction tube (1), upper connector (2) made of transparent material, lower connector (3), the upper company including several
Fitting (2) is equipped with the perforative through-hole (201) passed through for standard colorimetric reaction tube (1), and lower connector (3) upper end is set
Have for the accommodation groove (301) with standard colorimetric reaction tube (1) bottom grafting, the standard colorimetric reaction tube (1) is limited in
It is fast that ammonia nitrogen in water described in claim 1 is equipped on connector (2) and lower connector (3), in the standard colorimetric reaction tube (1)
Speed detects solid powder reagent, and ammonia nitrogen quickly detects solid powder reagent dosage and list in the water in standard colorimetric reaction tube (1)
Only seal-packed dosage is suitable, configures the Ammonia nitrogen standard liquid of several various concentrations, and standard colorimetric reaction is added in equal volume
Manage (1) in, sealed package, and on standard colorimetric reaction tube (1) and/or upper connector (2) and/or lower connector (3) it is enterprising
The mark of row corresponding concentration.
5. ammonia nitrogen quickly detects solid powder kit in water according to claim 4, it is characterised in that: ammonia nitrogen is fast in water
The packaging of speed detection solid powder reagent uses the detection reaction tube with standard colorimetric reaction tube (1) same material, same shape,
After ammonia nitrogen quickly detects solid powder reagent in the water of detection reaction tube addition target dose, sealing of jumping a queue is vacuumized, detection is anti-
Should pipe taken jump a queue sealing material choose syringe injectable material.
6. ammonia nitrogen quickly detects solid powder kit in water according to claim 5, it is characterised in that: the upper connection
Connection can be controlled between part (2) and forms cascaded structure, and connection can be controlled between the lower connector (3) and forms tandem junction, every two
One group of upper connector (2) and lower connector (3) are set between a standard colorimetric reaction tube (1), for placing detection reaction tube.
7. ammonia nitrogen quickly detects solid powder kit in water according to claim 6, it is characterised in that: the upper connection
It is hinged between part (2), it is hinged between the lower connector (3).
8. ammonia nitrogen quickly detects solid powder kit in water according to claim 5, it is characterised in that: further include having note
Emitter, the maximum uptake of the syringe are equal to or more than the volume of Ammonia nitrogen standard liquid.
9. ammonia nitrogen quickly detects solid powder kit in water according to claim 8, it is characterised in that: further include and infuse
The matched disposable filter of emitter.
10. quickly detecting solid powder kit according to ammonia nitrogen in water described in claim 4-9, it is characterised in that: standard ratio
Ammonia nitrogen quickly detects the body of the quality of solid powder reagent and the Ammonia nitrogen standard liquid of addition in the water contained in colour response pipe (1)
Long-pending ratio is 0.2g:10ml.
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|---|---|---|---|---|
| CN111175237A (en) * | 2020-01-09 | 2020-05-19 | 中国神华煤制油化工有限公司 | Sodium salicylate spectrophotometric method for measuring ammonia nitrogen in water |
| WO2024007482A1 (en) * | 2022-07-06 | 2024-01-11 | 清华大学 | Solid reagent for detection of ammonia nitrogen and detection method therefor |
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