RO83783B1 - Procedeu de obtinere a pulberii de argint - Google Patents
Procedeu de obtinere a pulberii de argintInfo
- Publication number
- RO83783B1 RO83783B1 RO107327A RO10732782A RO83783B1 RO 83783 B1 RO83783 B1 RO 83783B1 RO 107327 A RO107327 A RO 107327A RO 10732782 A RO10732782 A RO 10732782A RO 83783 B1 RO83783 B1 RO 83783B1
- Authority
- RO
- Romania
- Prior art keywords
- silver powder
- preparing silver
- reducing agent
- no3ag
- dialcohol
- Prior art date
Links
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 title abstract 2
- 238000004519 manufacturing process Methods 0.000 title 1
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 abstract 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 abstract 2
- 239000003638 chemical reducing agent Substances 0.000 abstract 2
- SQGYOTSLMSWVJD-UHFFFAOYSA-N silver(1+) nitrate Chemical compound [Ag+].[O-]N(=O)=O SQGYOTSLMSWVJD-UHFFFAOYSA-N 0.000 abstract 2
- 229910021529 ammonia Inorganic materials 0.000 abstract 1
- 239000008187 granular material Substances 0.000 abstract 1
- 230000007935 neutral effect Effects 0.000 abstract 1
- 239000000843 powder Substances 0.000 abstract 1
- 229910001961 silver nitrate Inorganic materials 0.000 abstract 1
Landscapes
- Manufacture Of Metal Powder And Suspensions Thereof (AREA)
Abstract
Procedeul de obtinere a pulberii de argint, conform inventiei, prevede reducerea solutiei apoase de azotat de argint 50-60% concentratie, la 130-150 degree C, în mediu neutru, sau amoniacul la pH = 11-12, timp de 1-1,5h folosind ca agent reducator un dialcool introdus într-un raport de 3: 1 fata de cantitatea de NO3Ag. în scopul obtinerii unei pulberi cu granulatie submicronica, cu un randament peste 97%, se foloseste ca agent reducator, etlenglicolul.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| RO107327A RO83783B1 (ro) | 1982-04-22 | 1982-04-22 | Procedeu de obtinere a pulberii de argint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| RO107327A RO83783B1 (ro) | 1982-04-22 | 1982-04-22 | Procedeu de obtinere a pulberii de argint |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| RO83783A2 RO83783A2 (ro) | 1984-04-02 |
| RO83783B1 true RO83783B1 (ro) | 1984-04-30 |
Family
ID=20111422
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| RO107327A RO83783B1 (ro) | 1982-04-22 | 1982-04-22 | Procedeu de obtinere a pulberii de argint |
Country Status (1)
| Country | Link |
|---|---|
| RO (1) | RO83783B1 (ro) |
-
1982
- 1982-04-22 RO RO107327A patent/RO83783B1/ro unknown
Also Published As
| Publication number | Publication date |
|---|---|
| RO83783A2 (ro) | 1984-04-02 |
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