AT98392B - Process for the production of white lead. - Google Patents

Process for the production of white lead.

Info

Publication number
AT98392B
AT98392B AT98392DA AT98392B AT 98392 B AT98392 B AT 98392B AT 98392D A AT98392D A AT 98392DA AT 98392 B AT98392 B AT 98392B
Authority
AT
Austria
Prior art keywords
production
lead
white lead
acetate
water
Prior art date
Application number
Other languages
German (de)
Inventor
George Freeman Lloyd
Frank Boardman Clapp
Frederick Harper Campbell
Original Assignee
George Freeman Lloyd
Frank Boardman Clapp
Frederick Harper Campbell
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 George Freeman Lloyd, Frank Boardman Clapp, Frederick Harper Campbell filed Critical George Freeman Lloyd
Application granted granted Critical
Publication of AT98392B publication Critical patent/AT98392B/en

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Description

  

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  VerfahrenzurHerstellungvonBleiweiss. 
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 EMI3.1 
 von der Mutterlauge so vollständig wie möglich getrennt. etwas mit Wasser ausgewachen, getrocknet, vom Filter entfernt, gründlich vermischt mit einer ¸% igen Lösung von Bleiazetat, das etwas mehr als das Äquivalent der vorhandenen   Alkalisalze ausmacht, auf da. s Filter zurückgebracht und schliesslich   mit Wasser gewaschen. Es wird dann getrocknet oder in   üblicher   Weise mit Öl verrieben. 
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    PATENT-ANSPRLTHE :   l. Verfahren zur Herstellung von Bleiweiss aus   Bleiglätte   über basisches Azetat, dadurch gekenn- 
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 wird. deren   Prozentgehalt an absoluter Essigsäure zwischen 4 und 60% liegt   und von der   16-22%   absoluter Essigsäure auf die ursprünglich vorhandene Gewichtsmenge Bleiglätte entfallen, worauf man durch Zusatz einer Mischung von   Natriumkarbonat   und-bikarbonat die Umwandlung des Azetats in Bleiweiss   durchführt.   
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  Process for the production of white lead.
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 separated from the mother liquor as completely as possible. Waxed out a little with water, dried, removed from the filter, mixed thoroughly with a ¸% solution of lead acetate, which is a little more than the equivalent of the alkali salts present, on there. s filter brought back and finally washed with water. It is then dried or rubbed with oil in the usual way.
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    PATENT RESPONSE: l. Process for the production of white lead from black lead using basic acetate, which is characterized
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 becomes. whose percentage of absolute acetic acid is between 4 and 60% and of the 16-22% of absolute acetic acid on the originally existing weight of black lead, whereupon the acetate is converted into white lead by adding a mixture of sodium carbonate and bicarbonate.
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Claims (1)

Bleiglätte, ausmacht und dass die Konzentration der wässerigen Lösungen des Azetats und der Schwefelsäure derartige sind, dass das fertige Gemisch nicht weniger als. 30 aber auch nielht mehr a] s 73% Wasser bei einer 60"'nicht übersteigenden Temperatur enthält. Black lead, and that the concentration of the aqueous solutions of acetate and sulfuric acid are such that the finished mixture is not less than. 30 but also does not contain more than 73% water at a temperature not exceeding 60 "'. 5. Verfahren zur Herstellung von Bleiweiss nach Anspruch 1 bis 4, dadurch gekennzeichnet, dass die Überführung des basisehen Bleiazetats in basisches Bleikarbonat durch Zusatz einer wässerigen EMI3.5 das von dem Niederschlage adsorbiert ist. etwas übersteigt, worauf man schliesslich mit Wasser wäscht 7. Verfahren zur Herstellung von Bleiweiss nach Anspruch 1 bis 6, dadurch gekennzeichnet, dass man die Deckkraft des Erzeugnisses dadurch steigert, dass man der basischen Bleiazetatmischung nur einen EMI3.6 5. Process for the production of white lead according to claim 1 to 4, characterized in that the conversion of the basic lead acetate into basic lead carbonate by adding an aqueous one EMI3.5 which is adsorbed by the precipitate. exceeds something, which is then washed with water 7. A process for the production of white lead according to claim 1 to 6, characterized in that the covering power of the product is increased by only one of the basic lead acetate mixture EMI3.6
AT98392D 1922-08-30 1923-07-19 Process for the production of white lead. AT98392B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AU98392X 1922-08-30

Publications (1)

Publication Number Publication Date
AT98392B true AT98392B (en) 1924-11-10

Family

ID=3700639

Family Applications (1)

Application Number Title Priority Date Filing Date
AT98392D AT98392B (en) 1922-08-30 1923-07-19 Process for the production of white lead.

Country Status (1)

Country Link
AT (1) AT98392B (en)

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