MD4019B1 - Solutie pentru transformarea produselor de coroziune - Google Patents

Solutie pentru transformarea produselor de coroziune Download PDF

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Publication number
MD4019B1
MD4019B1 MDA20080279A MD20080279A MD4019B1 MD 4019 B1 MD4019 B1 MD 4019B1 MD A20080279 A MDA20080279 A MD A20080279A MD 20080279 A MD20080279 A MD 20080279A MD 4019 B1 MD4019 B1 MD 4019B1
Authority
MD
Moldova
Prior art keywords
acid
solution
zinc
iii
transformation
Prior art date
Application number
MDA20080279A
Other languages
English (en)
Other versions
MD4019C2 (ro
Inventor
Olga Covaliova
Victor Covaliov
Vladimir Nenno
Gheorghe DUCA
Aliona Mereuta
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 MDA20080279A priority Critical patent/MD4019C2/ro
Publication of MD4019B1 publication Critical patent/MD4019B1/ro
Publication of MD4019C2 publication Critical patent/MD4019C2/ro

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  • Preventing Corrosion Or Incrustation Of Metals (AREA)

Abstract

Inventia se refera la mijloacele de protectie a suprafetelor metalice de coroziune, in particular la solutiile pentru transformarea produselor de coroziune. Solutia, conform inventiei, contine acid ortofosforic, fero-(III)-hexacianoferat(II) de zinc, acid tartric, acid oxalic, apa, avand pH 12,3, componentele fiind luate in urmatorul raport, in g/L:acid ortofosforic 5…10fero-(III)-hexacianoferat(II) de zinc 30…40acid tartric 5…15acid oxalic 3…5apa restul,totodata se utilizeaza acid tartric, obtinut la dizolvarea tartratului acidde potasiu din vin si/sau sedimente de drojdie, si/sau vinasa, si/sau tescovina dulce ńu solutie de acid ortofosforic de 10…20% cu filtrarea ulterioara; precum si fero-(III)- hexacianoferat(II) de zinc, obtinut din deseurile cleioase vinicole prin alcalinizarea albastrului de Berlin cu solutie de hidroxid de sodiu de 2…5%, epurarea prin electroflotare a solutiei si introducerea unei cantitati stoichiometrice de sulfat de zinc, cu filtrarea sau centrifugarea ulterioara. Rezultatul consta in majorarea eficacitatii procesului de formare a acoperirii anticorosive.
MDA20080279A 2008-11-11 2008-11-11 Soluţie pentru transformarea produselor de coroziune MD4019C2 (ro)

Priority Applications (1)

Application Number Priority Date Filing Date Title
MDA20080279A MD4019C2 (ro) 2008-11-11 2008-11-11 Soluţie pentru transformarea produselor de coroziune

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
MDA20080279A MD4019C2 (ro) 2008-11-11 2008-11-11 Soluţie pentru transformarea produselor de coroziune

Publications (2)

Publication Number Publication Date
MD4019B1 true MD4019B1 (ro) 2010-02-26
MD4019C2 MD4019C2 (ro) 2010-09-30

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ID=43568902

Family Applications (1)

Application Number Title Priority Date Filing Date
MDA20080279A MD4019C2 (ro) 2008-11-11 2008-11-11 Soluţie pentru transformarea produselor de coroziune

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MD (1) MD4019C2 (ro)

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SU1142491A1 (ru) * 1982-11-25 1985-02-28 Проектно-Конструкторское Бюро Главречфлота Усср Паста-модификатор ржавчины
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
MD3659G2 (ro) * 2007-07-06 2009-02-28 Государственный Университет Молд0 Soluţie pentru transformarea produselor de coroziune
MD3814G2 (ro) * 2008-03-06 2009-08-31 Государственный Университет Молд0 Procedeu de demetalizare a materiei prime vinicole şi procedeu de obţinere a reagentului pentru realizarea acestuia

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Publication number Publication date
MD4019C2 (ro) 2010-09-30

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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