CN109211819A - Measure the combine detection agent of Soil Available potassium content - Google Patents
Measure the combine detection agent of Soil Available potassium content Download PDFInfo
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- CN109211819A CN109211819A CN201811327977.9A CN201811327977A CN109211819A CN 109211819 A CN109211819 A CN 109211819A CN 201811327977 A CN201811327977 A CN 201811327977A CN 109211819 A CN109211819 A CN 109211819A
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- soil available
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- potassium content
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- 238000001514 detection method Methods 0.000 title claims abstract description 80
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 title claims abstract description 79
- 229910052700 potassium Inorganic materials 0.000 title claims abstract description 79
- 239000011591 potassium Substances 0.000 title claims abstract description 79
- 239000002689 soil Substances 0.000 title claims abstract description 57
- 239000003795 chemical substances by application Substances 0.000 title claims abstract description 44
- 238000005259 measurement Methods 0.000 claims abstract description 54
- 239000007788 liquid Substances 0.000 claims abstract description 27
- 239000012488 sample solution Substances 0.000 claims abstract description 10
- 238000004879 turbidimetry Methods 0.000 claims abstract description 7
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 claims description 24
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 24
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 claims description 20
- 239000000872 buffer Substances 0.000 claims description 18
- 239000003381 stabilizer Substances 0.000 claims description 18
- -1 potassium tetraphenylborate Chemical compound 0.000 claims description 13
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 12
- ZGTMUACCHSMWAC-UHFFFAOYSA-L EDTA disodium salt (anhydrous) Chemical compound [Na+].[Na+].OC(=O)CN(CC([O-])=O)CCN(CC(O)=O)CC([O-])=O ZGTMUACCHSMWAC-UHFFFAOYSA-L 0.000 claims description 10
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 claims description 10
- 239000011734 sodium Substances 0.000 claims description 10
- 229910052708 sodium Inorganic materials 0.000 claims description 10
- 239000011780 sodium chloride Substances 0.000 claims description 10
- 238000000034 method Methods 0.000 claims description 9
- 239000000843 powder Substances 0.000 claims description 8
- 239000008139 complexing agent Substances 0.000 claims description 7
- 239000002270 dispersing agent Substances 0.000 claims description 6
- 229910052757 nitrogen Inorganic materials 0.000 claims description 6
- KGBXLFKZBHKPEV-UHFFFAOYSA-N boric acid Chemical compound OB(O)O KGBXLFKZBHKPEV-UHFFFAOYSA-N 0.000 claims description 5
- 239000004327 boric acid Substances 0.000 claims description 5
- BNIILDVGGAEEIG-UHFFFAOYSA-L disodium hydrogen phosphate Chemical compound [Na+].[Na+].OP([O-])([O-])=O BNIILDVGGAEEIG-UHFFFAOYSA-L 0.000 claims description 5
- 238000004090 dissolution Methods 0.000 claims description 4
- 238000000605 extraction Methods 0.000 claims description 4
- 238000012360 testing method Methods 0.000 claims description 3
- 239000003109 Disodium ethylene diamine tetraacetate Substances 0.000 claims description 2
- 235000019301 disodium ethylene diamine tetraacetate Nutrition 0.000 claims description 2
- 229920000036 polyvinylpyrrolidone Polymers 0.000 claims description 2
- 239000001267 polyvinylpyrrolidone Substances 0.000 claims description 2
- 235000013855 polyvinylpyrrolidone Nutrition 0.000 claims description 2
- 238000012216 screening Methods 0.000 claims description 2
- 230000003139 buffering effect Effects 0.000 claims 1
- 238000002360 preparation method Methods 0.000 abstract description 7
- 238000004458 analytical method Methods 0.000 abstract description 2
- 230000000007 visual effect Effects 0.000 abstract description 2
- 239000004033 plastic Substances 0.000 description 6
- 229920003023 plastic Polymers 0.000 description 6
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 5
- 239000003153 chemical reaction reagent Substances 0.000 description 5
- 229910052744 lithium Inorganic materials 0.000 description 5
- 150000002500 ions Chemical class 0.000 description 4
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 3
- NPYPAHLBTDXSSS-UHFFFAOYSA-N Potassium ion Chemical compound [K+] NPYPAHLBTDXSSS-UHFFFAOYSA-N 0.000 description 3
- 229910001414 potassium ion Inorganic materials 0.000 description 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- 235000015097 nutrients Nutrition 0.000 description 2
- 239000002420 orchard Substances 0.000 description 2
- 230000035945 sensitivity Effects 0.000 description 2
- 238000002798 spectrophotometry method Methods 0.000 description 2
- 238000004611 spectroscopical analysis Methods 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- 102000004190 Enzymes Human genes 0.000 description 1
- 108090000790 Enzymes Proteins 0.000 description 1
- 208000019025 Hypokalemia Diseases 0.000 description 1
- 239000012190 activator Substances 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- 238000003556 assay Methods 0.000 description 1
- 239000000567 combustion gas Substances 0.000 description 1
- 230000000536 complexating effect Effects 0.000 description 1
- 238000012272 crop production Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000000873 masking effect Effects 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000029553 photosynthesis Effects 0.000 description 1
- 238000010672 photosynthesis Methods 0.000 description 1
- 230000008635 plant growth Effects 0.000 description 1
- 208000007645 potassium deficiency Diseases 0.000 description 1
- 238000004313 potentiometry Methods 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 230000029058 respiratory gaseous exchange Effects 0.000 description 1
- 230000003595 spectral effect Effects 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
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
- G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
- G01N21/31—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry
- G01N21/33—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using ultraviolet light
-
- 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
- G01N21/82—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 precipitate or turbidity
Landscapes
- Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Pathology (AREA)
- General Health & Medical Sciences (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- Immunology (AREA)
- General Physics & Mathematics (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Plasma & Fusion (AREA)
- Sampling And Sample Adjustment (AREA)
- Investigating Or Analysing Materials By The Use Of Chemical Reactions (AREA)
- Investigating Or Analyzing Non-Biological Materials By The Use Of Chemical Means (AREA)
Abstract
The present invention relates to a kind of combine detection agent for measuring Soil Available potassium content, belong to technical field of analysis and detection.The combine detection agent of measurement Soil Available potassium content of the invention includes potassium detection pulvis and detection mask liquid.As long as carrying out the measurement of Soil Available potassium content using portable spectrophotometer or nephometer or visual turbidimetry in use, potassium detection pulvis and detection mask liquid are added separately in measurement sample solution.Compared with prior art, the combine detection agent of measurement Soil Available potassium content of the invention, preparation method is simple, and detection agent is stable and reliable for performance, carries, easy to use, the quick measurement suitable for Soil Available potassium content.
Description
Technical field
The present invention relates to a kind of combine detection agent for measuring Soil Available potassium content, belong to technical field of analysis and detection.
Background technique
Potassium is important nutrients necessary to plant growth.It is not only the activator of many enzymes in crop body, and is promoting
Crop photosynthesis and respiration, enhance crop disease-resistant evil and resist bad growing environment etc. play a very important role.
Potassium deficiency will lead to crop production reduction, quality decline.Soil available nitrogen is the source that this season crop can utilize potassium, is absorbed with crop
Content in terms of have good correlation.Therefore, accurate, quick measurement Soil Available potassium content, for monitoring and evaluating soil
Earth nutrient situation, crop is high-quality, high yield has a very important significance and application value.
Currently, the measuring method of Soil Available potassium content mainly has flame spectrometry, ion selective electrode method and turbidimetry
Deng.Flame spectrophotometric determination Soil Available potassium content is to measure the characteristic spectral line intensity of flame excitation potassium generation and carry out potassium
The measurement of content.Because flame spectrometry instrument need to use the limitation of combustion gas, and determination step is cumbersome, limits it in soil available nitrogen
Application in content quick determination.Ion selective electrode method measurement Soil Available potassium content is to be selected according to potentiometry with potassium ion
It selects electrode and reference electrode combination is measured.Due to ion-selective electrode sensitivity membrane stage and its aging and measurement sample solution
In the interference of a variety of coexisting ions influence, this method measurement sensitivity is low, stability and reproducibility are poor, and service life is short.Than
Turbid method is to be reacted using tetraphenylboron sodium or potassium tetraphenylborate with potassium ion, generates potassium tetraphenylborate suspension, is carried out using turbidimetry
Measurement.In certain concentration range, turbidity is proportional with potassium content.Contained using turbidimetry for Determination soil available nitrogen
Amount, needs to be added the liquid reagent prepared in advance.Since the stability of liquid reagent is limited, these measurements liquid detecting used
Reagent is difficult to long-term preservation, and use inconvenient to carry, is not able to satisfy the needs of soil available nitrogen content quick determination.
Summary of the invention
The purpose of the present invention is to provide a kind of combine detection agent for measuring Soil Available potassium content, to overcome the prior art
Deficiency.
To achieve the goals above, the invention adopts the following technical scheme:
The combine detection agent of measurement Soil Available potassium content of the invention, uses preferred buffer stabiliser, to control
Measure the pH of sample solution, enhance ammonia present in measurement solution to soil extract of detection mask liquid and complexing agent and interfere from
The masking and complexing effect of son.Meanwhile the combine detection agent of measurement Soil Available potassium content of the invention, use preferred point
Powder promotes tetraphenylboron sodium or potassium tetraphenylborate to react the potassium tetraphenylborate suspension of the stable and uniform generated with potassium ion, improves
The accuracy of measurement.
The potassium detection pulvis and detection mask liquid that the combine detection agent of measurement Soil Available potassium content of the invention includes, point
Not by showing turbid dose, complexing agent, dispersing agent, buffer stabiliser and screening agent be prepared.
Wherein, described to show turbid dose as tetraphenylboron sodium or tetraphenylboron lithium.
The complexing agent is disodium ethylene diamine tetraacetate, referred to as Na2EDTA。
The dispersing agent is polyvinylpyrrolidone.
The buffer stabiliser is by boric acid and sodium chloride or disodium hydrogen phosphate and sodium chloride, according to 1~1.4: 1 weight
Amount ratio is mixed.
The detection mask liquid is to prepare 37% formaldehyde and 0.02mol/L sodium hydroxide solution according to 4: 1 volume ratio
It forms.
Preferably, the potassium detection pulvis is by showing turbid dose, buffer stabiliser, complexing agent, dispersing agent, by 1: 0.8~1.2
: 0.9: 0.01 weight ratio is mixed.
Mentioned reagent is to analyze pure or its ratings above reagent.
The combine detection agent application method of measurement Soil Available potassium content of the invention are as follows: pipette the soil of preprocessed extraction
Earth measures sample solution 10ml, and the agent of 1ml detection mask is added.Then, 0.08~0.15g potassium detection pulvis is added, dissolution is quiet
5mim is set, using portable spectrophotometer in λ480nmEither nephometer or visual turbidimetry carry out Soil Available potassium content
Measurement.
Effect of the invention is that:
The present invention is to constitute the combine detection of measurement Soil Available potassium content using potassium detection pulvis and detection mask agent
Agent, simple and easy with preparing, detection agent is stable and reliable for performance, carries and uses the features such as facilitating.As long as in use, potassium is examined
It surveys pulvis and detection mask liquid is added separately in measurement sample solution, potassium content measurement is carried out using turbidimetry.Amateur people
Use can be operated in member.Quick measurement suitable for Soil Available potassium content.
Specific embodiment
Below by way of description the embodiment of the present invention, just the combination inspection of measurement Soil Available potassium content provided by the present invention
Agent is surveyed to be described further.
Embodiment 1: the combine detection agent preparation of measurement Soil Available potassium content
(1) 2.5g boric acid and 2.5g sodium chloride are uniformly mixed by, obtain buffer stabiliser；
(2) is by 4g tetraphenylboron sodium or tetraphenylboron lithium, 3.2g buffer stabiliser, 3.6g Na2EDTA and 0.04g polyethylene
Pyrrolidones is uniformly mixed, and is ground into a powder, is packaged into 0.1g/ packet, and potassium detection pulvis is obtained；
(3) pipettes 37% formaldehyde of 20ml, mixes with 5ml 0.02mol/L sodium hydroxide solution, filling in plastic dropping bottle,
Obtain detection mask liquid.
Potassium detects pulvis and the combination of detection mask liquid, obtains the combine detection agent of measurement Soil Available potassium content.
Embodiment 2: the combine detection agent preparation of measurement Soil Available potassium content
(1) 3.6g boric acid and 3g sodium chloride are uniformly mixed by, obtain buffer stabiliser；
(2) is by 5g tetraphenylboron sodium or tetraphenylboron lithium, 5g buffer stabiliser, 4.5g Na2EDTA and 0.05g polyethylene pyrrole
Pyrrolidone is uniformly mixed, and is ground into a powder, is packaged into 0.1g/ packet, and potassium detection pulvis is obtained；
(3) pipettes 37% formaldehyde of 20ml, mixes with 5ml 0.02mol/L sodium hydroxide solution, filling in plastic dropping bottle,
Obtain detection mask liquid.
Potassium detects pulvis and the combination of detection mask liquid, obtains the combine detection agent of measurement Soil Available potassium content.
Embodiment 3: the combine detection agent preparation of measurement Soil Available potassium content
(1) 4.9g boric acid and 3.5g sodium chloride are uniformly mixed by, obtain buffer stabiliser；
(2) is by 7g tetraphenylboron sodium or tetraphenylboron lithium, 8.4g buffer stabiliser, 6.3g Na2EDTA and 0.07g polyethylene
Pyrrolidones is uniformly mixed, and is ground into a powder, is packaged into 0.1g/ packet, and potassium detection pulvis is obtained；
(3) pipettes 37% formaldehyde of 20ml, mixes with 5ml 0.02mol/L sodium hydroxide solution, filling in plastic dropping bottle,
Obtain detection mask liquid.
Potassium detects pulvis and the combination of detection mask liquid, obtains the combine detection agent of measurement Soil Available potassium content.
Embodiment 4: the combine detection agent preparation of measurement Soil Available potassium content
(1) 3g disodium hydrogen phosphate and 3g sodium chloride are uniformly mixed by, obtain buffer stabiliser；
(2) is by 6g tetraphenylboron sodium or tetraphenylboron lithium, 4.8g buffer stabiliser, 5.4g Na2EDTA and 0.06g polyethylene
Pyrrolidones is uniformly mixed, and is ground into a powder, is packaged into 0.1g/ packet, and potassium detection pulvis is obtained；
(3) pipettes 37% formaldehyde of 20ml, mixes with 5ml 0.02mol/L sodium hydroxide solution, filling in plastic dropping bottle,
Obtain detection mask liquid.
Potassium detects pulvis and the combination of detection mask liquid, obtains the combine detection agent of measurement Soil Available potassium content.
Embodiment 5: the combine detection agent preparation of measurement Soil Available potassium content
(1) 6g disodium hydrogen phosphate and 5g sodium chloride are uniformly mixed by, obtain buffer stabiliser；
(2) is by 8g tetraphenylboron sodium or potassium tetraphenylborate, 8g buffer stabiliser, 7.2g Na2EDTA and 0.08g polyethylene pyrrole
Pyrrolidone is uniformly mixed, and is ground into a powder, is packaged into 0.1g/ packet, and potassium detection pulvis is obtained；
(3) pipettes 37% formaldehyde of 20ml, mixes with 5ml 0.02mol/L sodium hydroxide solution, filling in plastic dropping bottle,
Obtain detection mask liquid.
Potassium detects pulvis and the combination of detection mask liquid, obtains the combine detection agent of measurement Soil Available potassium content.
Embodiment 6: the combine detection agent preparation of measurement Soil Available potassium content
(1) 7g disodium hydrogen phosphate and 5g sodium chloride are uniformly mixed by, obtain buffer stabiliser；
(2) is by 10g tetraphenylboron sodium or potassium tetraphenylborate, 12g buffer stabiliser, 9g Na2EDTA and 0.1g polyethylene pyrrole
Pyrrolidone is uniformly mixed, and is ground into a powder, is packaged into 0.1g/ packet, and potassium detection pulvis is obtained；
(3) pipettes 37% formaldehyde of 20ml, mixes with 5ml 0.02mol/L sodium hydroxide solution, filling in plastic dropping bottle,
Obtain detection mask liquid.
Potassium detects pulvis and the combination of detection mask liquid, obtains the combine detection agent of measurement Soil Available potassium content.
Embodiment 7: soil available nitrogen assay
Each 10ml of soil test sample solution of preprocessed extraction is pipetted respectively, and each measurement sample solution is 6 parts parallel.
Be separately added into 1ml detection mask liquid and 0.1g potassium detection pulvis, dissolution, stand 5mim, using UV-2550 spectrophotometer in
λ480nmIt is measured, calculates average value and relative standard deviation, the results are shown in Table 1.
The measurement result (ppm) of 1. soil-like quick-acting potassium content of table
Show that the combine detection agent of the measurement Soil Available potassium content using benzene invention carries out pedotheque quick-acting potassium content
Measurement, the accuracy having had.
Embodiment 8: wheatland, apple orchard and the measurement of vineyard soil quick-acting potassium content
Wheatland, apple orchard and the vineyard each 10ml of soil test sample solution of preprocessed extraction are pipetted respectively, respectively
1ml detection mask liquid is added and 0.1g potassium detects pulvis, dissolution stands 5mim, using UV-2550 spectrophotometer in λ480nmInto
Row measurement.The results are shown in Table 2, and almost the same with flame spectrophotometric determination result results of comparison.
The measurement result (ppm) of 2. soil-like quick-acting potassium content of table
Above-mentioned is only that the preferred embodiment of the present invention makees the combine detection agent of measurement Soil Available potassium content of the invention
It further illustrates, it is not limited to these above-mentioned specific embodiments.It is noted that, not departing from institute within the principle of the present invention
Any modification, equivalent replacement and the similar variation etc. made, should all be included in the protection scope of the present invention.
Claims (8)
1. a kind of combine detection agent for measuring Soil Available potassium content, it is characterised in that: the combine detection agent includes potassium detection powder
Agent and detection mask liquid, be respectively by showing turbid dose, buffer stabiliser, complexing agent, dispersing agent and screening agent be prepared.When use
As long as potassium is detected pulvis and detection mask liquid is added separately in measurement sample solution, soil available nitrogen is carried out using turbidimetry
The quick measurement of content.
2. the combine detection agent of measurement Soil Available potassium content according to claim 1, it is characterised in that: described to show turbid dose
For tetraphenylboron sodium or potassium tetraphenylborate.
3. the combine detection agent of measurement Soil Available potassium content according to claim 1, it is characterised in that: the buffering is steady
Determining agent is to be mixed by boric acid and sodium chloride or disodium hydrogen phosphate and sodium chloride according to 1~1.4: 1 weight ratio.
4. the combine detection agent of measurement Soil Available potassium content according to claim 1, it is characterised in that: the complexing agent
For disodium ethylene diamine tetraacetate, referred to as Na2EDTA。
5. the combine detection agent of measurement Soil Available potassium content according to claim 1, it is characterised in that: the dispersing agent
For polyvinylpyrrolidone.
6. the combine detection agent of measurement Soil Available potassium content according to claim 1, it is characterised in that: the detection is covered
Covering liquid is to be formulated 37% formaldehyde and 0.02mol/L sodium hydroxide solution according to 4: 1 volume ratio.
7. the combine detection agent of measurement Soil Available potassium content according to claim 1, it is characterised in that: the potassium detection
Pulvis be by show turbid dose, buffer stabiliser, complexing agent, dispersing agent according to 1: 0.8~1.2: 0.9: 0.01 weight ratio mixing system
At.
8. the application method of the combine detection agent of measurement Soil Available potassium content according to claim 1, it is characterised in that:
The soil test sample solution of the preprocessed extraction of 10ml is pipetted, 1ml detection mask liquid is added.Then, 0.08 is added~
0.15g potassium detects pulvis, and dissolution stands 5mim, using portable spectrophotometer in λ180nmEither nephometer or visually ratio
Turbid method carries out the measurement of Soil Available potassium content.
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| CN201811327977.9A CN109211819A (en) | 2018-11-08 | 2018-11-08 | Measure the combine detection agent of Soil Available potassium content |
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| CN201811327977.9A CN109211819A (en) | 2018-11-08 | 2018-11-08 | Measure the combine detection agent of Soil Available potassium content |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1081764A (en) * | 1992-07-27 | 1994-02-09 | 武汉市农业生产资料公司 | The method of visual colorimetric determination measured soil nitrogen, phosphorus, potassium |
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| CN202330288U (en) * | 2011-09-26 | 2012-07-11 | 深圳市亿商屋广告传媒有限公司 | Soil fertility color comparison, turbidimetric examination test box |
| CN104330367A (en) * | 2013-11-19 | 2015-02-04 | 上海绿帝环保科技有限公司 | Rapid detection agent for nitrate |
| CN105300989A (en) * | 2015-11-17 | 2016-02-03 | 郑州欧柯奇仪器制造有限公司 | Rapid measurement method of soil available potassium |
| CN107271436A (en) * | 2017-06-05 | 2017-10-20 | 同济大学 | A kind of preparation of quick detection agent for determining Determination of Trace Mercury In Water and application method |
| CN107422096A (en) * | 2017-03-24 | 2017-12-01 | 东莞翔液体肥料有限公司 | A kind of portable soil speed measuring tank |
-
2018
- 2018-11-08 CN CN201811327977.9A patent/CN109211819A/en not_active Withdrawn
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|---|---|---|---|---|
| CN1081764A (en) * | 1992-07-27 | 1994-02-09 | 武汉市农业生产资料公司 | The method of visual colorimetric determination measured soil nitrogen, phosphorus, potassium |
| CN101271072A (en) * | 2008-04-30 | 2008-09-24 | 河南农大迅捷测试技术有限公司 | Method for measuring kalium in soil by tetraphenylboron sodium nephelometery and its screening agent |
| CN202330288U (en) * | 2011-09-26 | 2012-07-11 | 深圳市亿商屋广告传媒有限公司 | Soil fertility color comparison, turbidimetric examination test box |
| CN104330367A (en) * | 2013-11-19 | 2015-02-04 | 上海绿帝环保科技有限公司 | Rapid detection agent for nitrate |
| CN105300989A (en) * | 2015-11-17 | 2016-02-03 | 郑州欧柯奇仪器制造有限公司 | Rapid measurement method of soil available potassium |
| CN107422096A (en) * | 2017-03-24 | 2017-12-01 | 东莞翔液体肥料有限公司 | A kind of portable soil speed measuring tank |
| CN107271436A (en) * | 2017-06-05 | 2017-10-20 | 同济大学 | A kind of preparation of quick detection agent for determining Determination of Trace Mercury In Water and application method |
Non-Patent Citations (1)
| Title |
|---|
| 钱振杰: "土壤中养分的快速测定方法及仪器的研究", 《中国优秀硕博士学位论文全文数据库（硕士） 农业科技辑》 * |
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Application publication date: 20190115 |