MD3659F1 - Solutie pentru transformarea produselor de coroziune - Google Patents

Solutie pentru transformarea produselor de coroziune Download PDF

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Publication number
MD3659F1
MD3659F1 MDA20070189A MD20070189A MD3659F1 MD 3659 F1 MD3659 F1 MD 3659F1 MD A20070189 A MDA20070189 A MD A20070189A MD 20070189 A MD20070189 A MD 20070189A MD 3659 F1 MD3659 F1 MD 3659F1
Authority
MD
Moldova
Prior art keywords
hexacyanoferate
iii
iron
sodium
solution
Prior art date
Application number
MDA20070189A
Other languages
English (en)
Other versions
MD3659G2 (ro
Inventor
Olga Covaliova
Victor Covaliov
Original Assignee
Universitatea De Stat Din Moldova
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 Universitatea De Stat Din Moldova filed Critical Universitatea De Stat Din Moldova
Priority to MDA20070189A priority Critical patent/MD3659G2/ro
Publication of MD3659F1 publication Critical patent/MD3659F1/ro
Publication of MD3659G2 publication Critical patent/MD3659G2/ro

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  • Preventing Corrosion Or Incrustation Of Metals (AREA)
  • Chemical Treatment Of Metals (AREA)

Abstract

Inventia se refera la mijloacele de protectie a suprafetelor metalice de coroziune, in particular,la solutiile pentru transformarea produselor decoroziune. Solutia, conform inventiei, contine acid ortofosforic, oxid de zinc, acid oxalic, hexacianoferat(II) de sodiu-fier(III), obtinut prin prelucrarea alcalina a precipitatului de hexacianoferat(II) de fier(III), nitrit de sodiu si apa, avand pH 2,7…3,1, componentele fiind luate in urmatorul raport, in g/L:acid ortofosforic 80…85oxid de zinc 15…17acid oxalic 3…5hexacianoferat(II) de sodiu-fier(III) 10…30nitrit de sodiu 5…10apa restul.In solutie se utilizeaza precipitatul de hexacianoferat(II) de fier(III), obtinut la separarea prin flotatie din deseurile cianice cleioase vinicole. Rezultatul consta in majorarea eficacitatii procesului de formare a acoperirii anticorozive.
MDA20070189A 2007-07-06 2007-07-06 Soluţie pentru transformarea produselor de coroziune MD3659G2 (ro)

Priority Applications (1)

Application Number Priority Date Filing Date Title
MDA20070189A MD3659G2 (ro) 2007-07-06 2007-07-06 Soluţie pentru transformarea produselor de coroziune

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
MDA20070189A MD3659G2 (ro) 2007-07-06 2007-07-06 Soluţie pentru transformarea produselor de coroziune

Publications (2)

Publication Number Publication Date
MD3659F1 true MD3659F1 (ro) 2008-07-31
MD3659G2 MD3659G2 (ro) 2009-02-28

Family

ID=39684071

Family Applications (1)

Application Number Title Priority Date Filing Date
MDA20070189A MD3659G2 (ro) 2007-07-06 2007-07-06 Soluţie pentru transformarea produselor de coroziune

Country Status (1)

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MD (1) MD3659G2 (ro)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
MD4019C2 (ro) * 2008-11-11 2010-09-30 Государственный Университет Молд0 Soluţie pentru transformarea produselor de coroziune

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2103414C1 (ru) * 1996-01-23 1998-01-27 Акционерное общество открытого типа "Химпром" Композиция для преобразования ржавчины
RU2301286C1 (ru) * 2005-12-20 2007-06-20 Федеральное государственное унитарное предприятие "Всероссийский научно-исследовательский институт авиационных материалов" (ФГУП "ВИАМ") Состав для удаления продуктов коррозии с поверхности деталей из оцинкованной и кадмированной углеродистой стали

Also Published As

Publication number Publication date
MD3659G2 (ro) 2009-02-28

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Legal Events

Date Code Title Description
FG4A Patent for invention issued
KA4A Patent for invention lapsed due to non-payment of fees (with right of restoration)
MM4A Patent for invention definitely lapsed due to non-payment of fees