CN1093638C - Electrode membrane for determining surface active agent content and its mfg. method - Google Patents
Electrode membrane for determining surface active agent content and its mfg. method Download PDFInfo
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- CN1093638C CN1093638C CN 99126996 CN99126996A CN1093638C CN 1093638 C CN1093638 C CN 1093638C CN 99126996 CN99126996 CN 99126996 CN 99126996 A CN99126996 A CN 99126996A CN 1093638 C CN1093638 C CN 1093638C
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Abstract
The present invention relates to an electrode membrane for determining surface active agent content. An electric active substance of the electrode membrane is composed of 0.4 to 0.6g of triheptyl dodecyl ammonium iodide and 0.2 to 0.6g of sodium dodecyl benzene sulfonate. The manufacturing method of the electrode membrane comprises: the triheptyl dodecyl ammonium iodide is dissolved in chloroform; solution is dissolved in 10<-3>mol/L solution of the sodium dodecyl benzene sulfonate; mixed solution is oscillated and rested for separating layers; an organic phase is moved in a beaker for drying the active substance; a manufactured electric active substance, dioctylphthalate and polyvinyl chloride are dissolved in tetrahydrofuran; after being stirred and dissolved into solution with a homogeneous phase, the manufactured electric active substance, the dioctylphthalate and the polyvinyl chloride are poured in a glass vessel for evaporating the solution into a transparent membrane with a homogeneous phase; the transparent membrane is dried for standby. The electrode membrane can exactly determine the content of a petroleum sulphonate anionic surface active agent. The present invention has the advantage of good stability. The manufacturing method does not have three wastes and has the advantage of good conformity.
Description
Technical field: the present invention relates to ion-selective electrode film and manufacturing technology thereof that oil field mahogany sulfonate analog anion surfactants assay is used.
Background technology: existing PH glass-membrane electrode and lanthanum fluoride single crystal film electrode can only be measured the content of hydrogen ion and fluorine ion respectively, and can not measure the content of surfactant.The electrode film that can survey surface-active contents has: 1, form part, the ion-selective electrode film made from cetyl pyridinium, chain alkyl phenol etc. and anionic surfactant.2, measure the concentration of anionic surfactant with the coated wire electrode film.But when these two kinds of electrode films are used for the mensuration of anionic surfactant concentration of the employed mahogany acid salt of oil exploitation industry, have poor stability, repeatability is bad, the shortcoming that anti-interference is also bad.
Summary of the invention: the objective of the invention is to develop a kind of electrode film of measuring mahogany sulfonate analog anion surfactants content, it should have all good characteristics of stability, repeatability, anti-interference.Its manufacture method is provided simultaneously.An electrode film of the present invention is made up of the composition of following weight: electroactive material 30-35mg, di-n-octyl phthalate 420-480mg, Polyvinylchloride 200-250mg.The complex compound that electroactive material is made up of three heptyl dodecyl ammonium iodides and neopelex raw material; Content by weight: participate in three heptyl dodecyl ammonium iodide 0.4-0.6g, neopelex 0.2-0.4g in the raw material of reaction.The manufacture method of electrode film is: the manufacturing of A, electroactive material: take by weighing the three heptyl dodecyl ammonium iodides of 0.4-0.6g, be dissolved in the chloroform of 50-80ml.Other prepares 10
-3The neopelex solution of mol/L, the chloroformic solution that will be dissolved with three heptyl dodecyl ammonium iodides then mixes with the neopelex solution of 90-110ml, mixed liquor is placed in the separating funnel, vibrated 20-40 minute, static layering keeps organic phase.Last organic phase washes with water once, organic phase is placed in the dry beaker again, adds dust cover the organic solvent chloroform is slowly evaporated, and makes the electroactive material air dry, dehydrates in exsiccator 2-3 days at last again, and is standby.The manufacturing of B, electrode film: take by weighing the electroactive material 20-40mg, di-n-octyl phthalate 400-500mg, the Polyvinylchloride 200-300mg that make and be dissolved in 10-15ml in the tetrahydrofuran of processed, stir immediately, after treating that each component is dissolved into homogeneous phase solution, this solution is poured in the flat glass ware, be placed on the horizontal level, on add a cover filter paper, make solution slowly be evaporated to into transparent homogeneous membrane, after treating the film drying, film is peeled off at the bottom of ware, and make at the bottom of the film and still place this glass ware after the upset, the glass ware that film is housed is placed on drying for standby in the airtight exsiccator.The thickness of film is 0.2-0.4mm.The assembling of C, electrode film: select an Ag/AgCL to make internal reference electrode 2, interior reference solution 3 is 10
-2The surfactant of mol/L and 10
-2The KCL solution of mol/L.Is the disk 4 of 10mm with card punch from next piece diameter of electrode film cutting, with bonding agent electrode film is bonded on the lower surface of the electrode holding pole 1 that hard PVC pipe or organic glass make, and gets final product at room temperature dry 2-3 days.Electrode film of the present invention can be measured the content of surfactant, especially can measure the content of mahogany sulfonate analog anion surfactants, and it has stability, repeatability, advantage that anti-interference is good.Its manufacture method is simple, the no three wastes, high conformity, energy suitability for industrialized production.
Description of drawings: Fig. 1 is a structural representation of measuring surface-active contents electrode film device.
Embodiment one: an electrode film of present embodiment is made up of the composition of following weight: electroactive material 31mg, di-n-octyl phthalate 440mg, Polyvinylchloride 215mg.The complex compound that electroactive material is made up of three heptyl dodecyl ammonium iodides and neopelex raw material, content by weight: three heptyl dodecyl ammonium iodide 0.45g, neopelex 0.3g in the raw material that participates in reacting.
The manufacturing of embodiment two: A, electroactive material: take by weighing 0.5g three heptyl dodecyl ammonium iodides, be dissolved in the 60ml chloroform, with above-mentioned mixed liquor and 100ml 10
-3The neopelex solution of mol/L mixes, and mixed liquor is placed in the separating funnel again, vibrates 30 minutes, and static layering keeps organic phase.Last organic phase is placed in the dry beaker, adds dust cover the organic solvent chloroform is slowly evaporated, and makes the electroactive material air dry, dewaters in exsiccator 2.5 days at last again, and is standby.The manufacturing of B, electrode film: take by weighing the electroactive material 33mg that makes respectively, di-n-octyl phthalate 456mg, Polyvinylchloride powder 224mg are dissolved in altogether in the 10ml of processed tetrahydrofuran, stir immediately, after treating that each component is dissolved into homogeneous phase solution, this solution is poured in the flat glass ware, be placed on the horizontal level, on add a cover filter paper, make solution slowly be evaporated to into transparent homogeneous membrane, after treating the film drying, film is peeled off at the bottom of ware, and made at the bottom of the film and still place this glass ware after the upset, the glass ware that film is housed is placed on drying for standby in the airtight exsiccator.The thickness of film is 0.3mm.The assembling of C, electrode film; Select an Ag/AgCL to make internal reference electrode 2, interior reference solution 3 is 10
-2The surfactant of mol/L and 10
-2The KCL solution of mol/L.Is the disk 4 of 10mm with card punch from next piece diameter of electrode film cutting, with bonding agent electrode film is bonded on the lower surface of the electrode holding pole 1 that the hard PVC pipe makes, and gets final product at room temperature dry 2.5 days.
Claims (2)
1, measures the electrode film of mahogany sulfonate analog anion surfactants content, an electrode film is made up of the composition of following weight: electroactive material 30-35mg, di-n-octyl phthalate 420-480mg, Polyvinylchloride 200-250mg, it is characterized in that the complex compound that electroactive material is made up of three heptyl dodecyl ammonium iodides and neopelex raw material, by weight content: three heptyl dodecyl ammonium iodide 0.4-0.6g, neopelex 0.2-0.4g in the raw material that participates in reacting.
2, measure the manufacture method of the electrode film of mahogany sulfonate analog anion surfactants content, it is characterized in that the manufacturing of A, electroactive material: take by weighing the three heptyl dodecyl ammonium iodides of 0.4-0.6g, be dissolved in the chloroform of 50-80ml; Other joins 10
-3The neopelex solution of mol/L, the chloroformic solution that will be dissolved with three heptyl dodecyl ammonium iodides then mixes with the neopelex solution of 90-110ml, mixed liquor is placed in the separating funnel, vibrated 20-40 minute, static layering keeps organic phase; Last organic phase washes with water once, organic phase is placed in the dry beaker again, adds dust cover the organic solvent chloroform is slowly evaporated, and makes the electroactive material air dry, dehydrates in exsiccator 2-3 days at last again, and is standby; The manufacturing of B, electrode film: take by weighing the electroactive material 20-40mg, di-n-octyl phthalate 400-500mg, the Polyvinylchloride 200-300mg that make and be dissolved in 10-15ml in the tetrahydrofuran of processed, stir immediately, after treating that each component is dissolved into homogeneous phase solution, this solution is poured in the flat glass ware, be placed on the horizontal level, on add a cover filter paper, make solution slowly be evaporated to into transparent homogeneous membrane, after treating the film drying, film is peeled off at the bottom of ware, and make at the bottom of the film and still place this glass ware after the upset, the glass ware that film is housed is placed on drying for standby in the airtight exsiccator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 99126996 CN1093638C (en) | 1999-12-24 | 1999-12-24 | Electrode membrane for determining surface active agent content and its mfg. method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 99126996 CN1093638C (en) | 1999-12-24 | 1999-12-24 | Electrode membrane for determining surface active agent content and its mfg. method |
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| Publication Number | Publication Date |
|---|---|
| CN1259665A CN1259665A (en) | 2000-07-12 |
| CN1093638C true CN1093638C (en) | 2002-10-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 99126996 Expired - Fee Related CN1093638C (en) | 1999-12-24 | 1999-12-24 | Electrode membrane for determining surface active agent content and its mfg. method |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101982474B (en) * | 2010-09-30 | 2012-03-07 | 中国日用化学工业研究院 | Method for preparing functional membrane of ion-selective electrode of cationic surfactant |
| US11209380B2 (en) * | 2018-10-08 | 2021-12-28 | Endress+Hauser Conducta Inc. | Sensor with nonporous reference junction |
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Granted publication date: 20021030 Termination date: 20101224 |