PL128643B1 - Method of continuously obtaining chromium oxide using the chromic acid thermal decomposition process - Google Patents

Method of continuously obtaining chromium oxide using the chromic acid thermal decomposition process Download PDF

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Publication number
PL128643B1
PL128643B1 PL23107481A PL23107481A PL128643B1 PL 128643 B1 PL128643 B1 PL 128643B1 PL 23107481 A PL23107481 A PL 23107481A PL 23107481 A PL23107481 A PL 23107481A PL 128643 B1 PL128643 B1 PL 128643B1
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PL
Poland
Prior art keywords
chromic acid
thermal decomposition
chromium oxide
decomposition process
continuously obtaining
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Application number
PL23107481A
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English (en)
Other versions
PL231074A1 (pl
Inventor
Zygmunt Kowalski
Stanislaw Kania
Kazimierz Boron
Zygmunt Hojowski
Original Assignee
Zaklady Chemiczne Alwernia
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.)
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Application filed by Zaklady Chemiczne Alwernia filed Critical Zaklady Chemiczne Alwernia
Priority to PL23107481A priority Critical patent/PL128643B1/pl
Publication of PL231074A1 publication Critical patent/PL231074A1/xx
Publication of PL128643B1 publication Critical patent/PL128643B1/pl

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Claims (1)

Zastrzezenie patentowe Ciagly sposób otrzymywania tlenku chromowego metoda termicznego rozkladu bezwodnika kwasu chromowego, znamienny tym, ze mieszanine bezwodnika kwasu chromowego z mocznikiem krystalicznym lub roztworem wodnym mocznika poddaje sie prazeniu w temperaturze 1000 - 1250°C w ciagu
1 - 2 godzin, przy czym ilosc mocznika wynosi 1. - 3 % wagowych w stosunku do ilosci bezwodnika kwasu chromowego* Pracownia Poligraficzna UP PRL. Naklad 100 egz. Cena 100 zl PL
PL23107481A 1981-05-08 1981-05-08 Method of continuously obtaining chromium oxide using the chromic acid thermal decomposition process PL128643B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL23107481A PL128643B1 (en) 1981-05-08 1981-05-08 Method of continuously obtaining chromium oxide using the chromic acid thermal decomposition process

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PL23107481A PL128643B1 (en) 1981-05-08 1981-05-08 Method of continuously obtaining chromium oxide using the chromic acid thermal decomposition process

Publications (2)

Publication Number Publication Date
PL231074A1 PL231074A1 (pl) 1982-11-22
PL128643B1 true PL128643B1 (en) 1984-02-29

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Family Applications (1)

Application Number Title Priority Date Filing Date
PL23107481A PL128643B1 (en) 1981-05-08 1981-05-08 Method of continuously obtaining chromium oxide using the chromic acid thermal decomposition process

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PL (1) PL128643B1 (pl)

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Publication number Publication date
PL231074A1 (pl) 1982-11-22

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