DE578342C - Device for continuous measurement of the hydrogen ion concentration of liquids with the platinum hydrogen electrode - Google Patents
Device for continuous measurement of the hydrogen ion concentration of liquids with the platinum hydrogen electrodeInfo
- Publication number
- DE578342C DE578342C DENDAT578342D DE578342DD DE578342C DE 578342 C DE578342 C DE 578342C DE NDAT578342 D DENDAT578342 D DE NDAT578342D DE 578342D D DE578342D D DE 578342DD DE 578342 C DE578342 C DE 578342C
- Authority
- DE
- Germany
- Prior art keywords
- hydrogen
- electrode
- vessel
- platinum
- liquids
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
- G01N27/26—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating electrochemical variables; by using electrolysis or electrophoresis
- G01N27/28—Electrolytic cell components
- G01N27/30—Electrodes, e.g. test electrodes; Half-cells
- G01N27/302—Electrodes, e.g. test electrodes; Half-cells pH sensitive, e.g. quinhydron, antimony or hydrogen electrodes
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- Physics & Mathematics (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Molecular Biology (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Sampling And Sample Adjustment (AREA)
Description
Einrichtung zur kontinuierlichen Messung der Wasserstoffionenkonzentration von Flüssigkeiten mit der Platinwasserstoffelektrode Die kontinuierliche Bestimmung der Was= serstofFionenkonzentration ist für viele Industriezweige von Bedeutung. Mit den bekannten Hilfsmitteln kann man sie jedoch nicht durchführen, da geeignete Elektrodenanordnungen fehlen. Die bekannten Formen der Wasserstoffelektrode eignen sich nicht für kontinuierlichen Betrieb. Die Füllung der Elektrodengefäße kann erst einer Messung unterworfen werden, nachdem das durchperlenrde Wasserstoffgas bis zur Sättigung gelöst worden ist, was mehrere Minuten dauert.Device for continuous measurement of the hydrogen ion concentration of liquids with the platinum hydrogen electrode The continuous determination the hydrogen ion concentration is important for many branches of industry. However, they cannot be carried out with the known aids, as they are suitable Electrode arrangements are missing. The known forms of the hydrogen electrode are suitable not in favor of continuous operation. The filling of the electrode vessels can only begin be subjected to measurement after the bubbling hydrogen gas up to has been dissolved to saturation, which takes several minutes.
Um die kontinuierliche Messung mit -der Wasserstoffelektrode zu ermöglichen, wurde bei der im folgenden beschriebenen Einrichtung nach der Erfindung der Weg beschritten, die zu messende Lösung vor der Berührung mit der Platinwasserstoffelektrode mit Wasserstoff zu sättigen. Die Versuche ergaben die Brauchbarkeit dieser Arbeitsweise.To enable continuous measurement with the hydrogen electrode, became the way in the device described below according to the invention trodden the solution to be measured before touching the platinum hydrogen electrode to saturate with hydrogen. The tests showed the usefulness of this procedure.
In der Zeichnung ist die Einrichtung nach der Erfindung dargestellt. Dem Elektrodengefäß A ist ein Sättigungsgefäß B vorgeschaltet. In dieses strömt von oben aus einem Rohr C mit Hahnverschluß die zu untersuchende Lösung tropfenweise ein. Durch das Rohr D, das bis zum Boden des Gefäßes B reicht, wird ständig Wasserstoffgas eingeleitet, das das Sättigungsgefäß durch das Rohr E verläßt. Die langsam am Ende von C sich bildenden und abfallenden Tropfen entwickeln sich also in einer Wasserstoffatmosphäre, fallen durch- eine solche und werden außerdem, nachdem sie sich im unteren Teil des Sättigungsgefäßes B gesammelt haben, noch von Wasserstoffgas. durchperlt. Die im gleichen Tempo aus dem Überlaufrohr F, dessen Ablaufende in der Höhe zwischen den Mündungen der Zuleitungen C und D der Flüssigkeit und des Wasserstoffs liegt, in das Elektrodengefäß A abtropfende Lösung ist mit Wasserstoff gesättigt und gibt an der Platinelektrode G richtige Werte. Die Lösung verläßt das Elektrodengefäß durch einen Überlauf H, so daß ein kontinuierliches Vorbeiströmen wasserstoffgesättigter Lösung an der Elektrode stattfindet. Das Elektrodengefäß A muß gegen die Außenluft abgeschlossen und mit Wasserstoff gefüllt sein, auch kann man dieses Gas dauernd durch das Elektrodengefäß strömen lassen. Man kann diesen Gasstrom anschließend auch durch D in das Sättigungsgefäß einleiten.In the drawing, the device according to the invention is shown. A saturation vessel B is connected upstream of the electrode vessel A. The solution to be examined flows into this from above from a pipe C with a stopcock, drop by drop. Hydrogen gas is continuously introduced through pipe D, which extends to the bottom of vessel B, and leaves the saturation vessel through pipe E. The drops slowly forming and falling at the end of C develop in a hydrogen atmosphere, fall through such an atmosphere and, after they have collected in the lower part of the saturation vessel B, are still filled with hydrogen gas. pearls through. The solution that drips from the overflow pipe F, the end of which is at the level between the mouths of the feed lines C and D for the liquid and the hydrogen, into the electrode vessel A is saturated with hydrogen and gives correct values at the platinum electrode G. The solution leaves the electrode vessel through an overflow H so that the hydrogen-saturated solution flows continuously past the electrode. The electrode vessel A must be sealed off from the outside air and filled with hydrogen; this gas can also be allowed to flow continuously through the electrode vessel. This gas stream can then also be introduced into the saturation vessel through D.
Claims (1)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE578342T |
Publications (1)
Publication Number | Publication Date |
---|---|
DE578342C true DE578342C (en) | 1933-06-13 |
Family
ID=6570412
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DENDAT578342D Expired DE578342C (en) | Device for continuous measurement of the hydrogen ion concentration of liquids with the platinum hydrogen electrode |
Country Status (1)
Country | Link |
---|---|
DE (1) | DE578342C (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2760922A (en) * | 1950-10-31 | 1956-08-28 | Jr Frederick G Williams | Method and apparatus for equilibrating a gas with a liquid and for analyzing a gas |
DE1199241B (en) * | 1960-06-24 | 1965-08-26 | Anscherlik A | Device for dosing reagents |
-
0
- DE DENDAT578342D patent/DE578342C/en not_active Expired
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2760922A (en) * | 1950-10-31 | 1956-08-28 | Jr Frederick G Williams | Method and apparatus for equilibrating a gas with a liquid and for analyzing a gas |
DE1199241B (en) * | 1960-06-24 | 1965-08-26 | Anscherlik A | Device for dosing reagents |
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