CN205229092U - Quick electrode of portable carbon dioxide gas improvement structure - Google Patents
Quick electrode of portable carbon dioxide gas improvement structure Download PDFInfo
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- CN205229092U CN205229092U CN201520997845.2U CN201520997845U CN205229092U CN 205229092 U CN205229092 U CN 205229092U CN 201520997845 U CN201520997845 U CN 201520997845U CN 205229092 U CN205229092 U CN 205229092U
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- electrode
- carbon dioxide
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- dioxide gas
- film cap
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Abstract
The utility model provides a quick electrode of portable carbon dioxide gas improvement structure which characterized in that: it includes electrode shell (1), electrode film cap (2) lock is at the test terminal of electrode shell (1), be equipped with between electrode film cap (2) and electrode shell (1) sealing washer (3), be equipped with in electrode shell (1) inner chamber electrode filling liquid (4), electrode shell (1) inner chamber is sealed at electrode shell (1) test terminal to interior reference electrode (5) dress, interior reference electrode (5) are located electrode film cap (2), interior measuring electrode (6) are together fixed with interior reference electrode (5), be located reference electrode (5) outer end, ventilated membrane (7) are equipped with to the outer end of electrode film cap (2), and the link of electrode shell (1) passes through wire (8) and connects connector (9). The utility model discloses can be used for detecting water -soluble carbon dioxide, carbonate and bicarbonate's total amount.
Description
Technical field
The utility model belongs to species analysis Instrument technology field, specifically just relates to a kind of portable Carbon dioxide gas-sensing probe structure-improved.
Background technology
Gas sensing electrode is the ion-selective electrode of a class sensitization, can produce response, be usually used in the ion component easily changing into gas in working sample to the dividing potential drop of gas in solution.In fact, this electrode is a complete electrochemical cell, is made up of ion-selective electrode and contrast electrode, so also known as gas-sensing probe.Gas sensing electrode is mainly used in water analysis, environmental monitoring, biochemical investigation, soil and food analysis etc.
Different by configuration, gas sensing electrode can be divided into two kinds: 1. diaphragm type gas sensing electrode, flat ion-selective electrode is adopted to be indicator electrode, it is placed in top together with contrast electrode has in the outer tube of ventilated membrane, electrolyte inside is filled with in pipe, the sensitive membrane fitted and breathable film of ion-selective electrode, only has very thin liquid layer between the two, when electrode insertion test solution or when being placed in gaseous sample, gas to be measured diffuses through ventilated membrane and enters thin layer of solution, cause the change of wherein a certain ion activity, it can be measured by the battery be made up of ion-selective electrode and contrast electrode.2. Air-gap electrode, without ventilated membrane, whole electrode system is directly suspended from above sample in airtight container, and gas to be measured is diffused into by air layer and is attached in the electrolyte inside thin layer of ion-selective electrode sensing surface.Commonly diaphragm type gas sensing electrode on market, based on ammonia gas-sensing electrode.Other class gas sensing electrodes as carbon dioxide, oxides of nitrogen, the product of the rarer maturation of sulphuric dioxide electrode.
At present, in water sample, the mensuration of carbon dioxide/carbonate/bicarbonate concentration is based on titrimetry, complex operation, and cannot site of deployment measure.And Carbon dioxide gas-sensing probe can be used for detecting the total amount of water-soluble carbon dioxide, carbonate and supercarbonate, therefore designing a kind of applicable Carbon dioxide gas-sensing probe becomes technical barrier urgently to be resolved hurrily.
Utility model content
The purpose of this utility model is the technological deficiency that cannot be applied to in-site measurement for existing titrimetry, provides a kind of portable Carbon dioxide gas-sensing probe structure-improved, is used for detecting water-soluble carbon dioxide, the total amount of carbonate and supercarbonate.
Technical scheme
In order to realize above-mentioned technical purpose, the portable Carbon dioxide gas-sensing probe structure-improved of one of the utility model design, it is characterized in that: it comprises electrode shell, electrode film cap is locked in the test lead of electrode shell, between electrode film cap and electrode shell, O-ring seal is housed, electrode filling liquid is housed in electrode shell inner chamber, internal reference electrode is contained in electrode shell test lead and seals electrode shell inner chamber, internal reference electrode is positioned at electrode film cap, interior potential electrode and internal reference electrode are fixed together, be positioned at internal reference electrode outer end, ventilated membrane is equipped with in the outer end of described electrode film cap, the link of electrode shell connects connector by wire.
Further, described interior potential electrode and internal reference electrode are integral type.
Further, described O-ring seal is 0 RunddichtringO.
Further, described interior potential electrode is positioned at electrode film cap, and its tack pH glass sensitivity end fits tightly with ventilated membrane.
Further, described wire is low noise shielding line.
Further, described connector is BNC connector.
Beneficial effect
The portable Carbon dioxide gas-sensing probe structure-improved of the one that the utility model provides, can be used for detecting water-soluble carbon dioxide, the total amount of carbonate and supercarbonate.
Accompanying drawing explanation
Accompanying drawing 1 is the product figure of the utility model embodiment.
Accompanying drawing 2 is the utility model embodiment exploded views.
Embodiment
Below in conjunction with drawings and Examples, the utility model is described further.
Embodiment
As shown in figure 1 and 2, a kind of portable Carbon dioxide gas-sensing probe structure-improved, it is characterized in that: it comprises electrode shell 1, electrode film cap 2 is locked in the test lead of electrode shell 1, O-ring seal 3 is housed between electrode film cap 2 and electrode shell 1, in electrode shell 1 inner chamber, electrode filling liquid 4 is housed, internal reference electrode 5 is contained in electrode shell 1 test lead and seals electrode shell 1 inner chamber, internal reference electrode 5 is positioned at electrode film cap 2, interior potential electrode 6 is fixed together with internal reference electrode 5, be positioned at internal reference electrode 5 outer end, ventilated membrane 7 is equipped with in the outer end of described electrode film cap 2, the link of electrode shell 1 connects connector 9 by wire 8.Electrode shell 1 is anticorrosive with electrode film cap 2 and not fragile, and electrode filling liquid 4 can be preserved for a long time, and ventilated membrane 7 has good gas penetration potential for carbon dioxide, and whole electrode may be used for water-soluble carbon dioxide, the on-site measurement of the total amount of carbonate and supercarbonate.
Preferably, described interior potential electrode 6 is integral type with internal reference electrode 5.
Described O-ring seal 3 is 0 RunddichtringO.
Described interior potential electrode 6 is positioned at electrode film cap 2, and its tack pH glass sensitivity end fits tightly with ventilated membrane 7.
Described wire 8 is low noise shielding line.
Described connector 9 is BNC connector.
The portable Carbon dioxide gas-sensing probe structure-improved of the one that the utility model provides, electrode needs interior potential electrode 6 and internal reference electrode 5 washed with de-ionized water clean before using, add electrode filling liquid 4, and screw with electrode shell 1 in electrode film cap 2.Electrode is put into the water sample to be measured (pH<4) of prior acidifying, by measuring the electric potential difference of interior potential electrode 6 and internal reference electrode 5, carbon dioxide in indirect inspection water sample, the total concentration of carbonate and supercarbonate.
Claims (6)
1. a portable Carbon dioxide gas-sensing probe structure-improved, it is characterized in that: it comprises electrode shell (1), electrode film cap (2) is locked in the test lead of electrode shell (1), O-ring seal (3) is housed between electrode film cap (2) and electrode shell (1), electrode filling liquid (4) is housed in electrode shell (1) inner chamber, internal reference electrode (5) is contained in electrode shell (1) test lead and seals electrode shell (1) inner chamber, internal reference electrode (5) is positioned at electrode film cap (2), interior potential electrode (6) and internal reference electrode (5) are fixed together, be positioned at internal reference electrode (5) outer end, ventilated membrane (7) is equipped with in the outer end of described electrode film cap (2), the link of electrode shell (1) connects connector (9) by wire (8).
2. a kind of portable Carbon dioxide gas-sensing probe structure-improved as claimed in claim 1, is characterized in that: described interior potential electrode (6) and internal reference electrode (5) are integral type.
3. a kind of portable Carbon dioxide gas-sensing probe structure-improved as claimed in claim 1, is characterized in that: described O-ring seal (3) is 0 RunddichtringO.
4. a kind of portable Carbon dioxide gas-sensing probe structure-improved as claimed in claim 1, it is characterized in that: described interior potential electrode (6) is positioned at electrode film cap (2), its tack pH glass sensitivity end fits tightly with ventilated membrane (7).
5. a kind of portable Carbon dioxide gas-sensing probe structure-improved as claimed in claim 1, is characterized in that: described wire (8) is low noise shielding line.
6. a kind of portable Carbon dioxide gas-sensing probe structure-improved as claimed in claim 1, is characterized in that: described connector (9) is snap-fit connector.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520997845.2U CN205229092U (en) | 2015-12-03 | 2015-12-03 | Quick electrode of portable carbon dioxide gas improvement structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520997845.2U CN205229092U (en) | 2015-12-03 | 2015-12-03 | Quick electrode of portable carbon dioxide gas improvement structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205229092U true CN205229092U (en) | 2016-05-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520997845.2U Active CN205229092U (en) | 2015-12-03 | 2015-12-03 | Quick electrode of portable carbon dioxide gas improvement structure |
Country Status (1)
| Country | Link |
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| CN (1) | CN205229092U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105445348A (en) * | 2015-12-03 | 2016-03-30 | 上海仪电科学仪器股份有限公司 | Portable carbon dioxide gas-sensing electrode |
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2015
- 2015-12-03 CN CN201520997845.2U patent/CN205229092U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105445348A (en) * | 2015-12-03 | 2016-03-30 | 上海仪电科学仪器股份有限公司 | Portable carbon dioxide gas-sensing electrode |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |