CN2596350Y - Nitrogen content detection tube in soil, fertilizer and water - Google Patents
Nitrogen content detection tube in soil, fertilizer and water Download PDFInfo
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- CN2596350Y CN2596350Y CN 01204052 CN01204052U CN2596350Y CN 2596350 Y CN2596350 Y CN 2596350Y CN 01204052 CN01204052 CN 01204052 CN 01204052 U CN01204052 U CN 01204052U CN 2596350 Y CN2596350 Y CN 2596350Y
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Abstract
The utility model relates to a nitrogen element content measuring tube in soil, fertilizer and water quality. The nitrogen element content measuring tube is an equal cross-section vacuum glass tube which is filled with special liquor for measuring ammonium nitrogen, or filled with special powder for measuring nitrate nitrogen, wherein, one end of the utility model is provided with a capillary glass tube segment which is communicated with a vacuum equal cross-section tube; the ratio of the height H#-< 1 > of the special liquor for measuring the ammonium nitrogen and the height H#-< 2 > of the vacuum equal cross-section tube is 1: (5-7), or the ratio of the height H#-< 1 > of the special powder for measuring the nitrate nitrogen and the height of the vacuum equal cross-section tube is 1: (17-23). The nitrogen element content measuring tube has the advantages of convenient detection, fastness, and simple and accurate operation. The utility model can penetrate into the site to detect. The utility model has wide purposes for analyzing whether the fertility of the soil and the nitrogen content of the fertilizer are in accord with the standard, and whether the water quality is subject to pollution.
Description
The utility model relates to a kind of utensil of measuring nitrogen content in the related substance, particularly relates to the mensuration pipe of nitrogen content in a kind of soil, fertilizer, the water quality.As everyone knows, the nitrogen element is permitted
As everyone knows, the nitrogen element is the essential elements of many plant growths, measures soil, nitrogen content in the fertilizer, and for the rational application of fertilizer, crop yield has significance.Measure river, lake, and the nitrogen content of other surface water, for judging whether water quality is polluted, and whether ecologic environment is normal, and great value is arranged.Current domestic chemical analysis institute, the R﹠D institution that waits and environment monitoring department, quality testing department, to soil, fertilizer, nitrogen analysis in the water quality, the traditional colorimetric analysis of general use, its specific practice is: (1) at first cleans various vessel, (2) standard solution of the relevant series concentration of preparation, (3) the various related assays solution of preparation, (4) quantitatively add coherent detection reagent by technical requirement, finish the chromogenic reaction of relevant serial concentration standard solution, (5) absorbance after the serial standard solution colour developing of measurement, (6) according to the concentration and the absorbance drawing curve of series standard solution, (7) press technical requirement pedotheque to be measured, fertilizer sample is made soil water sample to be measured by classic method, fertilizer water sample to be measured, quantitatively coherent detection reagent is added the soil water sample, the fertilizer water sample, in the water quality sample, finish the chromogenic reaction of testing sample, (8) test the absorbance of each colour developing sample to be measured, (9) find the nitrogen of each testing sample light absorption value correspondence on relevant working curve, P elements concentration content value.This method of testing operation is cumbersome, and duplication of labour amount is big, and influence factor is many, detects about more than one hour of the measuring period of a sample, and speed is slow, makes one nervous sometimes.
The purpose of this utility model is: utilize colorimetric analysis to detect principle, with its nitrogen analysis standardization, make convenient ammonium nitrogen fast and measure pipe and nitrate nitrogen mensuration pipe.
The mensuration pipe of nitrogen content in a kind of soil, fertilizer, the water quality, this mensuration pipe is that the special-purpose liquid of measuring ammonium nitrogen is housed, or the uniform cross section glass tube with vacuum of the special-purpose pulvis of measuring nitrate nitrogen is housed, the one end has the glass capillary section that is communicated with vacuum uniform cross section pipe, measures ammonium nitrogen special use liquid height H
1With the uniform cross section pipe height H of leaving a blank
2Ratio be 1: (5～7), or measure the special-purpose pulvis height H of nitrate nitrogen
1With the uniform cross section pipe height H of leaving a blank
2Ratio be 1: (17～23).
Measuring the special-purpose liquid of ammonium nitrogen is to contain mercuric chloride, potassium iodide, and potassium hydroxide mixes by a certain percentage, and the distilled water that adds certain volume forms.
The special-purpose pulvis of measuring nitrate nitrogen contains aminobenzenesulfonic acid, the α naphthoic acid, and citric acid, barium sulphate, manganese sulfate mixes by a certain percentage.The utlity model has obvious good effect:
1, reduces nitrogen element traditional detection workload significantly, reduce labour intensity.Standard colour code extended immobilization is removed each detection from, all prepares the standard colour code at every turn, all does the miscellaneous work of standard solution working curve at every turn.With general chemical test productsization, the storage life of test fluid extended to about one-year age by several days behind the dress vacuum tube.
2, shorten sense cycle greatly, accomplish quick, simple and direct.By traditional technique in measuring, about more than 1 hour of sense cycle, use this mensuration pipe only to need about 3-10 minute, fast, good, economic and convenient.
3, use the mensuration pipe to detect, influence factor is few, the raising accuracy of detection.
4, can carry out the scene and detect, save human and material resources, economize on the use of funds, remove many equipment and instruments from.Very convenient to river, monitoring lake water quality, help environmental protection.
5, detecting operation is simple, and so long as not the achromate, who can work as detection person, is not subjected to the specialty restriction.
Fig. 1 is: ammonium nitrogen is measured the tubular construction synoptic diagram.Fig. 2 is: nitrate nitrogen is measured the tubular construction synoptic diagram.
Embodiment one, at first manufacture and detect ammonium nitrogen, also be used for the series standard colour code that hydrolyzable nitrogen detects.Form color range.For example make 4 the color range pipes of standard colors target that detect soil, nitrogen content is 2.0ppm respectively, 8.0ppm, 14.0ppm, the standard colour code of 20.0ppm.At first get mercuric chloride 3.5 grams, potassium iodide 5.0 grams, potassium hydroxide 21 gram, adding distil water are made special-purpose liquid to 100ml, make nitrogenous 2.0 then respectively, 8.0,14.0 4 kinds of normal concentration aqueous solution of 20.0ppm are respectively to pour into reaction solution in 4 charomatrons at 1: 6 with the ratio of special-purpose liquid and various normal concentration aqueous solution, and constant color, seal charomatron then and just form the serial color range standard colors mark pipe that does not fade.From the light yellow orange colour that carries out the transition to gradually.
With can making the serial colour code that detects water quality with quadrat method, as produce 0.5,1.0,2.0,5.0,8.0,11.0,14.0,17.0 respectively, the standard colour code of 20.0ppm nitrogen content.
Charomatron for nitrate nitrogen is made, make special-purpose pulvis earlier, with sulfanilic acid 2.0 grams, alpha-naphthylamine 1.0 grams, citric acid 37.5 grams, zinc powder 1.0 grams, barium sulphate 50.0 grams, manganese sulfate 5.0 grams, mixing is made special-purpose pulvis and is made 2.0 respectively, 8.0,14.0,20.0ppm (or 0.5,1.0,2.0,5.0,8.0,11.0,14.0,17.0,20.0ppm) the nitrate nitrogen standard solution of concentration, the standard water solution of special-purpose pulvis and each concentration nitrate nitrogen is respectively poured into reaction solution in each standard colour code nitre attitude pipe with volume ratio at 1: 20, fixing proverb look, pink is from shallow to deep.And seal standard charomatron.
Embodiment two, ammonium nitrogen or hydrolyzable nitrogen are measured pipe.Referring to Fig. 1,1 is vacuum uniform cross section mensuration pipe among the figure, and 2 is capillary tube segment, and 3 is special-purpose liquid, with the special-purpose liquid of the standard colour code of embodiment one correspondence.H
1Be special-purpose liquid height, H
2Stay uniform cross section blank pipe segment length for giving.In the present embodiment, H
1Be 1cm, H
2Be 6cm, glass tube external diameter 7.2～7.8mm, get the somewhere pedotheque, the leaching liquor that proposes soil by classic method claims liquid to be measured, pour in beaker or other the clean container, the capillary tube segment of ammonium nitrogen being measured pipe immerses in the liquid to be measured, and kapillary fractureed, owing to be glass tube with vacuum, liquid to be measured enters in the pipe automatically, uniform cross section gives after the tube portion of leaving a blank is filled liquid to be measured, take out to be inverted repeatedly and fully carry out chromogenic reaction several times, about 3 minutes, behind the colour stable, carry out color relatively with the standard colour code, the pairing ammonium nitrogen concentration of the colour code numerical value that is near the mark most is the ammonium nitrogen content value.If measure the pipe color between two standard colour codes, average.
Embodiment three, referring to Fig. 2, number in the figure is identical with embodiment two, represents same meaning, does not repeat.4 for detecting the special-purpose pulvis of nitrate nitrogen, and with the special-purpose pulvis of embodiment one corresponding standard colors mark pipe, the present embodiment vacuum is measured the pipe physical dimension with embodiment two.The height H of special-purpose in the present embodiment pulvis 4
1Be 0.33cm, give the pipe height H of leaving a blank
2Be 6.67cm.The capillary tube segment of nitrate nitrogen being measured pipe immerses in the liquid to be measured of embodiment two, be filled to give etc. liquid to be measured and stay uniform cross section blank pipe back segment, take out repeatedly and be inverted several times, fully carry out chromogenic reaction, compare with the standard colour code behind about 5-10 minute colour stable, be nitrate nitrogen content value in the liquid to be measured with the pairing nitrate nitrogen concentration value of immediate pink standard colour code,, get two colour code mean values if measure the pipe color between adjacent two standard colour codes.
More simple about the operation of measuring nitrogen element content in the water quality, similar the foregoing description way, the direct water sampling of testing sample.
Claims (3)
1, the mensuration pipe of nitrogen content in a kind of soil, fertilizer, the water quality, it is characterized in that: this mensuration pipe is that the special-purpose liquid of measuring ammonium nitrogen is housed, or the uniform cross section glass tube with vacuum of the special-purpose pulvis of measuring nitrate nitrogen is housed, the one end has the glass capillary section that is communicated with vacuum uniform cross section pipe, measures the special-purpose liquid height H of ammonium nitrogen
1With the uniform cross section pipe height H of leaving a blank
2Ratio be 1: (5～7), or measure the special-purpose pulvis height H of nitrate nitrogen
1With the uniform cross section pipe height H of leaving a blank
2Ratio be 1: (17～23).
2, mensuration pipe according to claim 1 is characterized in that: measuring the special-purpose liquid of ammonium nitrogen is to contain mercuric chloride, potassium iodide, and potassium hydroxide mixes by a certain percentage, and the distilled water that adds certain volume forms.
3, mensuration pipe according to claim 1 is characterized in that: the special-purpose pulvis of measuring nitrate nitrogen contains aminobenzenesulfonic acid, the α naphthoic acid, and citric acid, barium sulphate, manganese sulfate mixes by a certain percentage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01204052 CN2596350Y (en) | 2001-02-26 | 2001-02-26 | Nitrogen content detection tube in soil, fertilizer and water |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01204052 CN2596350Y (en) | 2001-02-26 | 2001-02-26 | Nitrogen content detection tube in soil, fertilizer and water |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 01241976 Division CN2596351Y (en) | 2001-08-10 | 2001-08-10 | Phosphorus detection tube in soil, fertilizer and water |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2596350Y true CN2596350Y (en) | 2003-12-31 |
Family
ID=33625370
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 01204052 Expired - Fee Related CN2596350Y (en) | 2001-02-26 | 2001-02-26 | Nitrogen content detection tube in soil, fertilizer and water |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2596350Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1766553B (en) * | 2005-10-31 | 2012-01-11 | 白莉 | Copper determination solution and colorimetric determination tube therefor |
| CN1766554B (en) * | 2005-10-31 | 2013-04-17 | 白莉 | Mercury determination solution and colorimetric determination tube therefor |
| CN105510325A (en) * | 2015-12-08 | 2016-04-20 | 浙江省嘉兴市农业科学研究院（所） | Semiquantitative determination method of concentration of ammonium nitrogen in agricultural biogas fluid |
-
2001
- 2001-02-26 CN CN 01204052 patent/CN2596350Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1766553B (en) * | 2005-10-31 | 2012-01-11 | 白莉 | Copper determination solution and colorimetric determination tube therefor |
| CN1766554B (en) * | 2005-10-31 | 2013-04-17 | 白莉 | Mercury determination solution and colorimetric determination tube therefor |
| CN105510325A (en) * | 2015-12-08 | 2016-04-20 | 浙江省嘉兴市农业科学研究院（所） | Semiquantitative determination method of concentration of ammonium nitrogen in agricultural biogas fluid |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |