RO85165B1 - Procedeu de obtinere a pulberii de argint stralucitoare - Google Patents

Procedeu de obtinere a pulberii de argint stralucitoare

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Publication number
RO85165B1
RO85165B1 RO109289A RO10928982A RO85165B1 RO 85165 B1 RO85165 B1 RO 85165B1 RO 109289 A RO109289 A RO 109289A RO 10928982 A RO10928982 A RO 10928982A RO 85165 B1 RO85165 B1 RO 85165B1
Authority
RO
Romania
Prior art keywords
silver powder
obtaining
glowing
solution
concentration
Prior art date
Application number
RO109289A
Other languages
English (en)
Other versions
RO85165A2 (ro
Inventor
Gheorghe Marcu
GRIGORE SîGARTAU
Elvira Surducan
Liliana Nedaban
Original Assignee
Institutul De Chimie
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 Institutul De Chimie filed Critical Institutul De Chimie
Priority to RO109289A priority Critical patent/RO85165B1/ro
Publication of RO85165A2 publication Critical patent/RO85165A2/ro
Publication of RO85165B1 publication Critical patent/RO85165B1/ro

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Abstract

Procedeul de obtinere a pulberii de argint, stralucitore, conform inventiei, prevede reducerea solutiei acidulate de azotat de argint cu acid ascorbic, în prezenta sarii disodice a acidului bis-(naftalensulfonil) protectoare de coloizi. în scopul obtinerii unei pulberi de argint, înalt disperse, de puritate 99,9% se trateaza solutia de azotat de argint 10...20% concentratie, avînd adaosuri de 5...15% acid azotic concentrat si 0,01...0,5% protector de coloizi cu solutie de acid ascorbic, 7,5...10% concentratie la un raport de 1:1 volume.
RO109289A 1982-12-11 1982-12-11 Procedeu de obtinere a pulberii de argint stralucitoare RO85165B1 (ro)

Priority Applications (1)

Application Number Priority Date Filing Date Title
RO109289A RO85165B1 (ro) 1982-12-11 1982-12-11 Procedeu de obtinere a pulberii de argint stralucitoare

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
RO109289A RO85165B1 (ro) 1982-12-11 1982-12-11 Procedeu de obtinere a pulberii de argint stralucitoare

Publications (2)

Publication Number Publication Date
RO85165A2 RO85165A2 (ro) 1984-09-29
RO85165B1 true RO85165B1 (ro) 1984-10-30

Family

ID=20112347

Family Applications (1)

Application Number Title Priority Date Filing Date
RO109289A RO85165B1 (ro) 1982-12-11 1982-12-11 Procedeu de obtinere a pulberii de argint stralucitoare

Country Status (1)

Country Link
RO (1) RO85165B1 (ro)

Also Published As

Publication number Publication date
RO85165A2 (ro) 1984-09-29

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