DE923273C - Process to prevent the blackening of mercury-filled glass tubes - Google Patents

Process to prevent the blackening of mercury-filled glass tubes

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Publication number
DE923273C
DE923273C DEH18029A DEH0018029A DE923273C DE 923273 C DE923273 C DE 923273C DE H18029 A DEH18029 A DE H18029A DE H0018029 A DEH0018029 A DE H0018029A DE 923273 C DE923273 C DE 923273C
Authority
DE
Germany
Prior art keywords
mercury
glass tubes
blackening
particles
observation
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
Application number
DEH18029A
Other languages
German (de)
Inventor
Holger Dr-Ing Hesse
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to DEH18029A priority Critical patent/DE923273C/en
Application granted granted Critical
Publication of DE923273C publication Critical patent/DE923273C/en
Expired legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01LCHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
    • B01L3/00Containers or dishes for laboratory use, e.g. laboratory glassware; Droppers
    • B01L3/56Labware specially adapted for transferring fluids
    • B01L3/569Glassware

Landscapes

  • Health & Medical Sciences (AREA)
  • Clinical Laboratory Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Investigating Or Analysing Biological Materials (AREA)

Description

Verfahren zur Verhinderung der Schwärzung von quecksilberdurchflossenen Glasrohren Es ist eine bekannte Erscheinung, daß quecksilberdurchflossene Glasrohre schwarz werden.Process for preventing the blackening of mercury-infused Glass tubes It is a well-known phenomenon that glass tubes through which mercury flows go black.

Wahrscheinlich dürfte der Grund hierfür sein, daß kleinste Quecksilberpartikel sich von der Hauptmenge des Quecksilbers, vor allein wenn dieses, wie dies z. B. beim Transport geschieht, geschüttelt wird, los lösen und sich dann auls nocit nicht vollständig geklärten Gründen mit der Hauptmenge des Quecksilbers nicht wieder vereinigen. Diese feinen Quecksilberpartikel werden dann an den Glaswandungen, insbesondere dort, wo diese nicht völlig glatt sind, adsorbiert und geben zur allmählichen Schwarzfärbung der Glaswandungen Anlaß. Auch eine Trübung des Quecksilbers kann auf diese Weise herbeigeführt werden.The reason for this is likely to be that the smallest particles of mercury from the bulk of the mercury, especially if this, as z. B. happens during transport, is shaken, loosened and then auls nocit not For completely clear reasons, do not reunite with the bulk of the mercury. These fine mercury particles are then on the glass walls, in particular where they are not completely smooth, they are adsorbed and gradually turn black the glass walls cause. The mercury can also become cloudy in this way be brought about.

Es hat sich nun erwiesen, daß man die erwähnten, vor allem bei physikalischen, chemischen und medizinischen Meßapparaten, störenden Vorgänge dadurch vermeiden kann, daß man bei derartigen Apparaturen, die von Quecksilber durchflossene Glasrohre aufweisen, an einer Stelle der Apparatur, die auf dem Strömungsweg des Quecksilbers liegt, die aber für die Beobachtung der Quecksilbersäule bedeutungslos ist, geeignete Mittel anordnet, die eine ausgeprägte Tendenz zur Adsorbierung der Quecksilberpartikel besitzen. Beispielsweise kann man Material, das die obenerwähnten feinen Quecksilberpartikel adsorbiert, z. B. Glaswolle, Watte, Filterpapier usw., in die von dem Quecksilber durchströmten Rohre einbringen. Besonders zweckmäßig ist es, einen Teil der Wandungen der Rohre, und zwar an einer Stelle, deren Durchsichtigkeit für die Beobachtung der Quecksilbersäule bedeutungslos ist, mit einem auf die Quecksilberpartikel adsorbierend wirkenden Stoff zu überziehen. It has now been shown that the aforementioned, especially in the case of physical, chemical and medical measuring apparatus, thereby avoid disruptive processes it is possible that with such apparatus, the glass tubes flowed through by mercury have at a point on the apparatus that is on the mercury flow path which, however, is meaningless for the observation of the mercury column, suitable Arranges means that have a pronounced tendency to adsorb the mercury particles own. For example, one can use material containing the above-mentioned fine particles of mercury adsorbed, e.g. B. glass wool, wadding, filter paper, etc., into the mercury Introduce pipes through which there is a flow. Particularly useful is it to be one Part of the walls of the tubes, at a point whose transparency for The observation of the mercury column is meaningless with one on the mercury particles to cover adsorbing substance.

Hierfür geeignete Stoffe sind z. B. Klebestoffe auf Leim-, Kunstharz- oder Gummibasis. Auf diese Weise werden die in Frage stehenden Quecksilberpartikel ausschließlich oder nahezu ausschließlich an den mit dem Klebestoff überzogenen Stellen adsorbient. Die übrigen Teile der Glaswandungen, insbesondere diejenigen, deren Durchsichtigkeit für die Beobachtung der Quecksilbersäule von Wichtigkeit sind, bleiben klar und durchsichtig, und ebenso verhindert man auf diese Weise eine Trübung des Quecksilbers. Suitable substances for this are z. B. Adhesives on glue, synthetic resin or gum base. In this way, the mercury particles in question become exclusively or almost exclusively to those covered with the adhesive Make adsorbient. The remaining parts of the glass walls, especially those its transparency is of importance for the observation of the mercury column remain clear and transparent, and in the same way one prevents one Turbidity of the mercury.

Eviibnt sei, daß es meistens genügt, wenn man die Klebestoffschicht auf den mit Klebestoff zu überziehenden Teilen der Rohrwandungen sehr dünn wählt, so daß irgendeine Beeinflussung des inneren Volumens der Rohre nicht eintritt. It should be noted that it is usually sufficient to remove the adhesive layer selects very thin on the parts of the pipe walls to be coated with adhesive, so that any interference with the internal volume of the tubes does not occur.

Claims (4)

P A T E N T A N S P R Ü C H E: 1. Verfahren zur Verhinderung der Schwärzung von quecksilberdurchflossenen Glasrohren, insbesondere bei physikalischen, chemischen und medizinischen Meßapparaten, dadurch gekennzeichnet, daß an einer geeigneten Stelle der Glasrohre, deren Durchsichtigkeit für die Beobachtung der Quecksilbersäule bedeutungslos ist und die auf dem Strömungsweg des Quecksilbers liegt, ein zur Adsorption feiner Quecksilberpartikel geeignetes Mittel angeordnet wird. P A T E N T A N S P R Ü C H E: 1. Method of preventing the Blackening of mercury-filled glass tubes, especially in the case of physical, chemical and medical measuring apparatus, characterized in that on one suitable place of the glass tubes, their transparency for the observation of the Mercury column is meaningless and which is on the mercury flow path is arranged, a means suitable for adsorbing fine mercury particles will. 2. Verfahren nach Anspruch I, dadurch gekennzeichnet, daß in die von Quecksilber durchströmten Rohre ein die feinen Quecksilberpartikel adsorbierendes Material, z. B. Glaswolle, Watte, Filterpapier usw., eingebracht wird. 2. The method according to claim I, characterized in that in the mercury flowed through pipes adsorbing the fine mercury particles Material, e.g. B. glass wool, wadding, filter paper, etc. is introduced. 3. Verfahren nach Anspruch I, dadurch gekennzeichnet, daß ein Teil der Wandungen des Rohres, und zwar an einer für die Beobachtung der Quecksilbersäule bedeutungslosen Stelle, mit einem Idie Quecksilberpartikel adsorbierenden Stoff, z. B. einem Klebemittel auf Leim-, Kunstharz- oder Gummibasis, überzogen wird. 3. The method according to claim I, characterized in that a part the walls of the tube, namely on one for the observation of the mercury column meaningless place, with a substance that adsorbs the mercury particles, z. B. an adhesive based on glue, synthetic resin or rubber is coated. 4. Verfahren nach Anspruch 3, dadurch gekennzeichnet, daß die Dicke der Überzugsschicht so gering bemessen wird, daß keine in Betracht kommende Verringerung des inneren Volumens der Glasrohre eintritt. 4. The method according to claim 3, characterized in that the thickness the coating layer is dimensioned so small that there is no consideration of reduction of the inner volume of the glass tubes.
DEH18029A 1953-10-20 1953-10-20 Process to prevent the blackening of mercury-filled glass tubes Expired DE923273C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DEH18029A DE923273C (en) 1953-10-20 1953-10-20 Process to prevent the blackening of mercury-filled glass tubes

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEH18029A DE923273C (en) 1953-10-20 1953-10-20 Process to prevent the blackening of mercury-filled glass tubes

Publications (1)

Publication Number Publication Date
DE923273C true DE923273C (en) 1955-02-07

Family

ID=7148308

Family Applications (1)

Application Number Title Priority Date Filing Date
DEH18029A Expired DE923273C (en) 1953-10-20 1953-10-20 Process to prevent the blackening of mercury-filled glass tubes

Country Status (1)

Country Link
DE (1) DE923273C (en)

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