SU287481A1 - TETRACHROMATED ELECTROLYTE OF CHROMINATION - Google Patents
TETRACHROMATED ELECTROLYTE OF CHROMINATIONInfo
- Publication number
- SU287481A1 SU287481A1 SU1268315A SU1268315A SU287481A1 SU 287481 A1 SU287481 A1 SU 287481A1 SU 1268315 A SU1268315 A SU 1268315A SU 1268315 A SU1268315 A SU 1268315A SU 287481 A1 SU287481 A1 SU 287481A1
- Authority
- SU
- USSR - Soviet Union
- Prior art keywords
- electrolyte
- tetrachromated
- chromination
- chromium
- sulfuric acid
- Prior art date
Links
- 239000003792 electrolyte Substances 0.000 title description 6
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 8
- VYZAMTAEIAYCRO-UHFFFAOYSA-N chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 5
- 229910052804 chromium Inorganic materials 0.000 description 5
- 239000011651 chromium Substances 0.000 description 5
- CDBYLPFSWZWCQE-UHFFFAOYSA-L sodium carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 4
- WGLPBDUCMAPZCE-UHFFFAOYSA-N trioxochromium Chemical compound O=[Cr](=O)=O WGLPBDUCMAPZCE-UHFFFAOYSA-N 0.000 description 4
- ZFSLODLOARCGLH-UHFFFAOYSA-N Cyanuric acid Chemical compound OC1=NC(O)=NC(O)=N1 ZFSLODLOARCGLH-UHFFFAOYSA-N 0.000 description 3
- 239000000956 alloy Substances 0.000 description 2
- 229910045601 alloy Inorganic materials 0.000 description 2
- 230000001681 protective Effects 0.000 description 2
- 239000001187 sodium carbonate Substances 0.000 description 2
- 229910000029 sodium carbonate Inorganic materials 0.000 description 2
- 150000003388 sodium compounds Chemical class 0.000 description 2
- XLJMAIOERFSOGZ-UHFFFAOYSA-N 420-05-3 Chemical compound OC#N XLJMAIOERFSOGZ-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- REDXJYDRNCIFBQ-UHFFFAOYSA-N aluminium(3+) Chemical class [Al+3] REDXJYDRNCIFBQ-UHFFFAOYSA-N 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 125000001145 hydrido group Chemical group *[H] 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Description
Изобретение относитс к области электролитического получени защитных и защитнодекоративных покрытий, и в частности к области электролитического хромировани .The invention relates to the field of electrolytic production of protective and protective decorative coatings, and in particular to the field of electrolytic chromium plating.
Известен тетрахроматный электролит .хромировани , содержащий хромовый ангидрид, серную кислоту и соединение натри ..A tetrachromate electrolyte chromium containing chromic anhydride, sulfuric acid and sodium compounds is known ..
В предложенный электролит введена циаиурова кислота, что позвол ет повысить качество осадков хрома.Cyanic acid is introduced into the proposed electrolyte, which makes it possible to improve the quality of chromium deposits.
Он имеет следующий состав,в г/л:It has the following composition, in g / l:
хромовый ангидрид280-300chromic anhydride280-300
серна кислота0,6-0,8 карбонат натри (дес тиводный )260-280sulfuric acid 0,6-0,8 sodium carbonate (water hydro) 260-280
цианурова кислота0,8-1,0.cyanuric acid 0.8-1.0.
Процесс осуществл ют при катодной плотности тока 5-10 а/дл1-2, те.мнературе 25-30°С, выход по току при этом составл ет 25-30%. Анодна плотность тока в 1,5-2 раза меньщеThe process is carried out at a cathode current density of 5-10 a / d1-2, the temperature of 25-30 ° C, and the current output is 25-30%. Anode current density 1.5-2 times less
катодной, аноды из свинцового типографского сплава.cathodic, anodes from lead typographic alloy.
Предложенный электролит позвол ет получить высококачественные блест щие хромовые покрыти непосредственно на меди, ее сплавах и стали.The proposed electrolyte makes it possible to obtain high-quality shiny chromium coatings directly on copper, its alloys and steel.
Предмет изобретени Subject invention
Тетрахроматный электролит хро-ми-ровани , содержащий хромовый ангидрид., серную кислоту , соединение натри , отличающийс тем, что, с целью повыщени качества осадков хрома , в электролит введена цианурова кислота при следующем соотношении компонентов (в г/л):Chro-tetrachromatic electrolyte containing chromic anhydride, sulfuric acid, sodium compound, characterized in that, in order to improve the quality of chromium precipitates, cyanuric acid is introduced into the electrolyte in the following ratio of components (in g / l):
хромовый ангидрид280-300chromic anhydride280-300
серна кислота0,6-0,8sulfuric acid 0.6-0.8
карбонат натри (дес тиводный )260-280sodium carbonate (decodic) 260-280
цианурова кислота0,8-1,0.cyanuric acid 0.8-1.0.
Publications (1)
| Publication Number | Publication Date |
|---|---|
| SU287481A1 true SU287481A1 (en) |
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