CN202442960U - Total nitrogen determinator, total phosphorus determinator and sample water introduction device - Google Patents
Total nitrogen determinator, total phosphorus determinator and sample water introduction device Download PDFInfo
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- CN202442960U CN202442960U CN2012200279425U CN201220027942U CN202442960U CN 202442960 U CN202442960 U CN 202442960U CN 2012200279425 U CN2012200279425 U CN 2012200279425U CN 201220027942 U CN201220027942 U CN 201220027942U CN 202442960 U CN202442960 U CN 202442960U
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Abstract
The utility model discloses a total nitrogen determinator, a total phosphorus determinator and a sample water introduction device. According to the utility model, the total nitrogen and the total phosphorus in the sample water can be determined by utilizing a potassium peroxydisulfate decomposition method (heating at 120 DEG C for 30 minutes), and the total nitrogen determinator, the total phosphorus determinator and the sample water introduction device are provided; the total nitrogen determinator is as follows: potassium peroxydisulfate and sodium hydroxide are added in the sample water in a reaction groove (302), heating and decomposition are carried out in a constant temperature metal bath at 120 DEG C, after a pH value of the sample water is adjusted, an absorbance at a wavelength of 220 nm is determined by a spectrophotometer; the total phosphorus determinator is as follows: the potassium peroxydisulfate is added in the sample water, heating and decomposition are carried out in the constant temperature metal bath at 120 DEG C, after ammonium molybdate and L-ascorbic acid are added, an absorbance at a wavelength of 880 nm is determined by the spectrophotometer; and the sample water is introduced into the reaction groove (302) from a sample water groove (304) by the sample water introduction device through a pump.
Description
Technical field
The utility model relates to device that nitrogen compound contained in the sample water and phosphorus compound are measured and the sample water gatherer that is used for this device.
Background technology
At present, the device as nitrogen compound contained in the sample water and phosphorus compound are measured discloses like lower device: sample water is heated to 50～100 ℃, at the TiO that has added as photocatalyst
2Perhaps Pt and RuO
2Afterwards have a TiO
2Condition under; Make it produce oxidation reaction to this sample water irradiation ultraviolet radiation; Nitrogen compound in making sample water and phosphorus compound are separately converted to after nitrate ion and the phosphate anion, respectively nitrate ion and phosphate anion are analyzed (with reference to patent documentation 1) again.This device can be analyzed nitrogen compound and phosphorus compound by enough table apparatus simultaneously.
Patent documentation 1
No. 3237400 communique of japanese
The utility model content
Utility model problem to be solved
, the device of above-mentioned patent documentation 1, can not utilize the representational method as manual analysis is potassium persulfate decomposition method (120 ℃ of heating 30 minutes), and full nitrogen contained in the sample water and full phosphorus are measured respectively.
The utility model is In view of the foregoing to accomplish; Its purpose is; Provide and to utilize potassium persulfate decomposition method (120 ℃ of heating 30 minutes), total nitrogen and total phosphor phosphorus determinator that full nitrogen contained in the sample water and full phosphorus are measured and the sample water gatherer that is used for this device.
Be used to solve the means of problem
To achieve these goals, the utility model provides as follows (1), (2) described total nitrogen and total phosphor phosphorus determinator and (3), (4) described sample water gatherer.
(1) a kind of total nitrogen and total phosphor phosphorus determinator; Possess full nitrogen determination device, full phosphorus determinator and spectrophotometer; Said full nitrogen determination device is to add alkaline potassium persulfate the sample water of reactive tank utilizing pump to import to from the sample tank; Near 120 ℃, the predetermined component in the sample water is carried out heating and decomposition, after then the pH value of sample water being regulated, thereby the absorbance of measuring wavelength 220nm is carried out quantitatively the full nitrogen in the sample water; Said full phosphorus determinator is to add potassium persulfate utilizing pump to import to from the sample tank the sample water of reactive tank; Near 120 ℃, the predetermined component in the sample water is carried out heating and decomposition; After in sample water, adding chromogenic reagent then and going back original reagent, thereby the absorbance of measuring wavelength 880nm is carried out quantitatively the full phosphorus in the sample water; Said spectrophotometer is used to carry out the mensuration of absorbance; It is characterized in that the sample water gatherer from the sample tank to reactive tank is that sample tank one side of the runner between sample tank and pump is installed catch basin; In reactive tank one side dashpot is installed; Through in dashpot, adding entry in advance, and utilize pump to attract the sample water in the sample tank, import to sample water in the catch basin after; Switch runner again and utilize pump to extrude the sample water in the catch basin, thereby the sample water in the catch basin is imported to reactive tank.
Like (1) described total nitrogen and total phosphor phosphorus determinator, it is characterized in that (2) said pump is a pulse pump.
(3) a kind of sample water gatherer; Utilize pump that sample water is imported to reactive tank from the sample tank, it is characterized in that, sample tank one side of the runner between sample tank and pump is installed catch basin; In reactive tank one side dashpot is installed; Through in dashpot, adding entry in advance, and utilize pump to attract the sample water in the sample tank, import to sample water in the catch basin after; Switch runner again and utilize pump to extrude the sample water in the catch basin, thereby the sample water in the catch basin is imported to reactive tank.
Like (3) described sample water gatherer, it is characterized in that (4) said pump is a pulse pump.
Utilize the full nitrogen manual analysis method of potassium persulfate decomposition method (120 ℃ of heating 30 minutes) to do; In sample water, add alkaline potassium persulfate; Decomposing organic matter when about 120 ℃ of heating were converted into nitrate ion with nitrogen compound in 30 minutes; PH value with sample water is adjusted to after 2～3 then, nitrate ion is measured in the absorbance of wavelength 220nm, thereby the full nitrogen in the sample water is carried out quantitatively.Therefore, the total nitrogen and total phosphor phosphorus determinator of the utility model is because of possessing said full nitrogen determination device, can according to potassium persulfate decomposition method (120 ℃ of heating 30 minutes) to sample water in contained full nitrogen measure.
Utilize the full phosphorus manual analysis method of potassium persulfate decomposition method (120 ℃ of heating 30 minutes) to do; In sample water, add potassium persulfate; Decomposing organic matter when about 120 ℃ of heating were converted into phosphate anion with phosphorus compound in 30 minutes; In sample water, added ammonium molybdate (chromogenic reagent) and L-ascorbic acid (going back original reagent) then afterwards, phosphate anion has been measured in the absorbance of wavelength 880nm, thereby the full phosphorus in the sample water has been carried out quantitatively.Therefore, the total nitrogen and total phosphor phosphorus determinator of the utility model is because of possessing said full phosphorus determinator, can according to potassium persulfate decomposition method (120 ℃ of heating 30 minutes) to sample water in contained full phosphorus measure.
In addition, be described below, the total nitrogen and total phosphor phosphorus determinator of the utility model is transported to reactive tank thereby pump is not polluted by sample water with sample water through using said sample water gatherer.
Description of drawings
Fig. 1 does, the figure that compares to the full nitrogen determination of the total nitrogen and total phosphor phosphorus determinator that utilizes the utility model, with the full nitrogen determination that utilizes the potassium persulfate decomposition method of manual analysis.
Fig. 2 does, the full phosphorus of the total nitrogen and total phosphor phosphorus determinator that utilizes the utility model is measured, measured the figure that compares with the full phosphorus of the potassium persulfate decomposition method of utilizing manual analysis.
Fig. 3 is the process flow diagram of the sample water gatherer (the sample water gatherer of the utility model) of the total nitrogen and total phosphor phosphorus determinator of expression the utility model.
Reference numeral
302 reactive tanks
304 sample tanks
The P7 air pump
The P11 pulse pump
The T1 dashpot
The T2 catch basin
SV1～SV10 solenoid valve
Embodiment
Below, describe with reference to the embodiment of accompanying drawing the utility model.Fig. 1 does, the figure that compares to the full nitrogen determination of the total nitrogen and total phosphor phosphorus determinator that utilizes the utility model, with the full nitrogen determination that utilizes the potassium persulfate decomposition method of manual analysis.As shown in Figure 1, the total nitrogen and total phosphor phosphorus determinator of the utility model passes through following steps, and according to potassium persulfate decomposition method (alkaline potassium persulfate decomposes (120 ℃ of heating 30 minutes)-ultraviolet absorption photometry), full nitrogen contained in the sample water is measured.
1. carry out the step of sample water metering.
2. in sample water, add the step of potassium persulfate.
3. in sample water, add the step of NaOH.
4. 120 ℃ of steps of carrying out 30 minutes heating and decomposition.
5. cooling step.
6. in sample water, add hydrochloric acid and the pH value is adjusted to 2～3 step.
7. measure the absorbance of 220nm and the full nitrogen concentration in the sample water is carried out quantitative step.
Fig. 2 does, the full phosphorus of the total nitrogen and total phosphor phosphorus determinator that utilizes the utility model is measured, measured the figure that compares with the full phosphorus of the potassium persulfate decomposition method of utilizing manual analysis.As shown in Figure 2, the total nitrogen and total phosphor phosphorus determinator of the utility model passes through following steps, and according to potassium persulfate decomposition method (potassium persulfate decomposes (120 ℃ of heating 30 minutes)-molybdenum blue absorption photometry), full phosphorus contained in the sample water is measured.
1. carry out the step of sample water metering.
2. in sample water, add the step of potassium persulfate.
3. 120 ℃ of steps of carrying out 30 minutes heating and decomposition.
4. cooling step.
5. in sample water, add the step of ammonium molybdate (chromogenic reagent).
6. in sample water, add the step of L-ascorbic acid (going back original reagent).
7. measure the absorbance of 880nm and the full phosphorus concentration in the sample water is carried out quantitative step.
In addition, the device that in the total nitrogen and total phosphor phosphorus determinator of present embodiment sample water is imported to reactive tank is described.Fig. 3 is an example of the sample water gatherer of the total nitrogen and total phosphor phosphorus determinator of the utility model, and the process flow diagram of the sample water gatherer of expression the utility model.In Fig. 3,302 expression reactive tanks; 304 expression sample tanks; SV1, SV9, SV10 represent solenoid valve; P7 representes air pump; P11 indicating impulse pump; T1 representes dashpot; T2 representes catch basin.
The total nitrogen and total phosphor phosphorus determinator of present embodiment through following step, imports to reactive tank with the sample water of sample tank.Thus, thus pulse pump is not polluted by sample water is transported to reactive tank with sample water.
1. among the dashpot T1 above pulse pump P11, put into pure water in advance as move media.
2. for the sample water in the sample tank 304 are put among the catch basin T2, and with solenoid valve SV1 as runner P, solenoid valve SV9 as runner Q, solenoid valve SV10 as runner R, and utilize pulse pump P11 to attract the sample water in the sample tank 304.Thus, sample water is directed in the catch basin T2.
3. if in catch basin T2, accumulated sample water, then with solenoid valve SV1 as runner S, solenoid valve SV9 as runner Q, solenoid valve SV10 as runner R, and utilize pulse pump P11 to extrude the sample water in the catch basin T2.Thus, the sample water in the catch basin T2 is directed in the reactive tank 302.
Therefore; The sample water gatherer from the sample tank to reactive tank in the total nitrogen and total phosphor phosphorus determinator of the utility model does; Sample tank one side of the runner between sample tank and pump is installed catch basin, in reactive tank one side dashpot is installed, through in said dashpot, adding entry in advance; And utilize pump to attract the sample water in the sample tank; After importing to sample water in the catch basin, switch runner again and utilize pump to extrude the sample water in the catch basin, thereby the sample water in the catch basin is imported to reactive tank and the suitable sample water gatherer as the utility model of said apparatus.
In addition, the total nitrogen and total phosphor phosphorus determinator of present embodiment except carrying out full nitrogen determination, full phosphorus mensuration, also can carry out other mensuration, for example the mensuration of COD and BOD.
The invention effect
As stated, according to the total nitrogen and total phosphor phosphorus determinator of the utility model, can utilize potassium persulfate decomposition method (120 ℃ of heating 30 minutes) in to sample water contained full nitrogen measure with full phosphorus.In addition, according to the sample water gatherer of the utility model, sample water is transported to reactive tank thereby pump is not polluted by sample water.
Claims (4)
1. total nitrogen and total phosphor phosphorus determinator; Possess full nitrogen determination device, full phosphorus determinator and spectrophotometer; Said full nitrogen determination device is to add alkaline potassium persulfate the sample water of reactive tank utilizing pump to import to from the sample tank; Near 120 ℃, the predetermined component in the sample water is carried out heating and decomposition, after then the pH value of sample water being regulated, thereby the absorbance of measuring wavelength 220nm is carried out quantitatively the full nitrogen in the sample water; Said full phosphorus determinator is to add potassium persulfate utilizing pump to import to from the sample tank the sample water of reactive tank; Near 120 ℃, the predetermined component in the sample water is carried out heating and decomposition; After in sample water, adding chromogenic reagent then and going back original reagent, thereby the absorbance of measuring wavelength 880nm is carried out quantitatively the full phosphorus in the sample water; Said spectrophotometer is used to carry out the mensuration of absorbance, it is characterized in that,
Sample water gatherer from the sample tank to reactive tank does; Sample tank one side of the runner between sample tank and pump is installed catch basin, in reactive tank one side dashpot is installed, through in dashpot, adding entry in advance; And utilize pump to attract the sample water in the sample tank; After importing to sample water in the catch basin, switch runner again and utilize pump to extrude the sample water in the catch basin, thereby the sample water in the catch basin is imported to reactive tank.
2. total nitrogen and total phosphor phosphorus determinator as claimed in claim 1 is characterized in that, said pump is a pulse pump.
3. a sample water gatherer utilizes pump that sample water is imported to reactive tank from the sample tank, it is characterized in that,
Sample tank one side of the runner between sample tank and pump is installed catch basin; In reactive tank one side dashpot is installed; Through in dashpot, adding entry in advance, and utilize pump to attract the sample water in the sample tank, import to sample water in the catch basin after; Switch runner again and utilize pump to extrude the sample water in the catch basin, thereby the sample water in the catch basin is imported to reactive tank.
4. sample water gatherer as claimed in claim 3 is characterized in that said pump is a pulse pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200279425U CN202442960U (en) | 2012-01-21 | 2012-01-21 | Total nitrogen determinator, total phosphorus determinator and sample water introduction device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200279425U CN202442960U (en) | 2012-01-21 | 2012-01-21 | Total nitrogen determinator, total phosphorus determinator and sample water introduction device |
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| CN202442960U true CN202442960U (en) | 2012-09-19 |
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| CN2012200279425U Expired - Fee Related CN202442960U (en) | 2012-01-21 | 2012-01-21 | Total nitrogen determinator, total phosphorus determinator and sample water introduction device |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105092496A (en) * | 2015-08-14 | 2015-11-25 | 武钢集团昆明钢铁股份有限公司 | Method for detecting content of phosphorus in nitrification intensifier |
| CN107238569A (en) * | 2016-03-28 | 2017-10-10 | 东亚Dkk株式会社 | Reagent container, analysis system framework, reagent feed unit, reagent feedway and analysis system |
| CN109580480A (en) * | 2017-09-28 | 2019-04-05 | 株式会社岛津制作所 | Total phosphorus determination device |
| CN112304881A (en) * | 2019-07-30 | 2021-02-02 | 东亚Dkk株式会社 | Analysis device, program, and analysis method |
-
2012
- 2012-01-21 CN CN2012200279425U patent/CN202442960U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105092496A (en) * | 2015-08-14 | 2015-11-25 | 武钢集团昆明钢铁股份有限公司 | Method for detecting content of phosphorus in nitrification intensifier |
| CN105092496B (en) * | 2015-08-14 | 2017-12-15 | 武钢集团昆明钢铁股份有限公司 | The detection method of phosphorus content in a kind of nitridation reinforcing agent |
| CN107238569A (en) * | 2016-03-28 | 2017-10-10 | 东亚Dkk株式会社 | Reagent container, analysis system framework, reagent feed unit, reagent feedway and analysis system |
| CN107238569B (en) * | 2016-03-28 | 2020-05-08 | 东亚Dkk株式会社 | Reagent supply unit, reagent supply device, and analysis system |
| CN109580480A (en) * | 2017-09-28 | 2019-04-05 | 株式会社岛津制作所 | Total phosphorus determination device |
| CN112304881A (en) * | 2019-07-30 | 2021-02-02 | 东亚Dkk株式会社 | Analysis device, program, and analysis method |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120919 Termination date: 20200121 |
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| CF01 | Termination of patent right due to non-payment of annual fee |