SU377431A1 - - Google Patents
Info
- Publication number
- SU377431A1 SU377431A1 SU1497124A SU1497124A SU377431A1 SU 377431 A1 SU377431 A1 SU 377431A1 SU 1497124 A SU1497124 A SU 1497124A SU 1497124 A SU1497124 A SU 1497124A SU 377431 A1 SU377431 A1 SU 377431A1
- Authority
- SU
- USSR - Soviet Union
- Prior art keywords
- ruthenium
- acid
- mol
- aminocarboxylic acid
- amount
- Prior art date
Links
- KWYUFKZDYYNOTN-UHFFFAOYSA-M potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 claims description 15
- 239000005092 Ruthenium Substances 0.000 claims description 10
- KJTLSVCANCCWHF-UHFFFAOYSA-N ruthenium Chemical compound [Ru] KJTLSVCANCCWHF-UHFFFAOYSA-N 0.000 claims description 10
- 229910052707 ruthenium Inorganic materials 0.000 claims description 10
- 239000003792 electrolyte Substances 0.000 claims description 7
- 238000000034 method Methods 0.000 claims description 6
- 239000008139 complexing agent Substances 0.000 claims description 5
- 235000011118 potassium hydroxide Nutrition 0.000 claims description 5
- 239000003518 caustics Substances 0.000 claims description 3
- 150000003303 ruthenium Chemical class 0.000 claims description 3
- VPCDQGACGWYTMC-UHFFFAOYSA-N Nitrosyl chloride Chemical compound ClN=O VPCDQGACGWYTMC-UHFFFAOYSA-N 0.000 claims description 2
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 claims description 2
- 239000011248 coating agent Substances 0.000 claims description 2
- 238000000576 coating method Methods 0.000 claims description 2
- NBZBKCUXIYYUSX-UHFFFAOYSA-N iminodiacetic acid Chemical compound OC(=O)CNCC(O)=O NBZBKCUXIYYUSX-UHFFFAOYSA-N 0.000 claims description 2
- MGFYIUFZLHCRTH-UHFFFAOYSA-N nitrilotriacetic acid Chemical compound OC(=O)CN(CC(O)=O)CC(O)=O MGFYIUFZLHCRTH-UHFFFAOYSA-N 0.000 claims description 2
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 claims description 2
- 229910052700 potassium Inorganic materials 0.000 claims description 2
- 239000011591 potassium Substances 0.000 claims description 2
- 238000001556 precipitation Methods 0.000 claims description 2
- 239000002253 acid Substances 0.000 claims 1
- PFZDHODAFLQGCU-UHFFFAOYSA-K nitroxyl anion;trichlororuthenium;hydrate Chemical compound O.O=[N-].Cl[Ru](Cl)Cl PFZDHODAFLQGCU-UHFFFAOYSA-K 0.000 description 3
- 229960002449 Glycine Drugs 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 239000012491 analyte Substances 0.000 description 1
- OWIUPIRUAQMTTK-UHFFFAOYSA-N carbazic acid Chemical compound NNC(O)=O OWIUPIRUAQMTTK-UHFFFAOYSA-N 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 238000004070 electrodeposition Methods 0.000 description 1
- 238000009713 electroplating Methods 0.000 description 1
- DHMQDGOQFOQNFH-UHFFFAOYSA-N glycine Chemical compound NCC(O)=O DHMQDGOQFOQNFH-UHFFFAOYSA-N 0.000 description 1
- 235000013905 glycine and its sodium salt Nutrition 0.000 description 1
- -1 methyl carboxyl group Chemical group 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 125000002924 primary amino group Chemical group [H]N([H])* 0.000 description 1
Description
СПОСОБ ЭЛЕКТРОХИМИЧЕСКОГО ОСАЖДЕНИЯ РУТЕНИЯMETHOD OF ELECTROCHEMICAL DEPOSITION OF RUTHENIA
1one
Изобретение относитс к области гальванических покрытий, в частности к электролитическому осаждению рутени .The invention relates to the field of electroplating, in particular to the electrolytic deposition of ruthenium.
Известен способ электролитического осаждени рутени из электролита, содержащего соль рутени , едкое кали, комюлексообразователь . Однако по известному способу стабильность раствора низка .There is a known method for the electrolytic precipitation of ruthenium from an electrolyte containing ruthenium salt, caustic potash, a complexing agent. However, by a known method, the stability of the solution is low.
Целью изобретени вл етс улучшение качества покрыти и повышение стабильности раствора. Это достигаетс тем, что в электролит .ввод т в качестве комплексообразовател а-аминокарбоновую кислоту, в составе молекул которой до трех карбоксильных групп, при следуюш,ем соотношении компонентон (в моль/л):The aim of the invention is to improve the quality of the coating and increase the stability of the solution. This is achieved by the introduction of an a-aminocarboxylic acid as a complexing agent, the molecules of which contain up to three carboxyl groups, with the following component ratio (in mol / l):
Рутений (iB виде нитрозохлорида )0,08-0,1Ruthenium (iB as nitrosochloride) 0.08-0.1
а-аминокарбонова кислота 0,09-0,33 Едкое кали3,0-3,6a-aminocarboxylic acid 0.09-0.33 Caustic potash 3.0-3.6
и процесс ведут при температуре 15-25°С и катодной плотности тока 0,5-5 а/дм.and the process is carried out at a temperature of 15-25 ° C and a cathode current density of 0.5-5 a / dm.
В качестве а-аминокарбоиовой кислоты используют аминоуксусную, иминодиуксусную, нитрилотриуксусную кислоты.Amino-amino carboxylic acid is amino acetic, iminodiacetic, nitrilotriacetic acid.
Электролит готов т следующим образом.The electrolyte is prepared as follows.
Раствор рутениевой соли ввод т в раствор ком лексообразующего вещества со щелочью. Концентраци комплексообразовател должна быть такой, что соотношение мол рных концентраций метилкарбоксильной группы к концентрации рутени составл ет не менее чем 1:1. Катодное и анодное пространства разделены керамической диафрагмой. В качестве аналита используют раствор едкого кали соответствующей концентрации.The solution of ruthenium salt is introduced into the solution of complexing agent with alkali. The concentration of the complexing agent should be such that the ratio of the molar concentrations of the methyl carboxyl group to the ruthenium concentration is not less than 1: 1. The cathode and anode spaces are separated by a ceramic diaphragm. As an analyte, a solution of caustic potassium of the appropriate concentration is used.
Пример 1. Состав электролита следующий (в моль/л):Example 1. The composition of the electrolyte is as follows (in mol / l):
Рутений (в виде нитрозохлорида рутени )1-10Ruthenium (in the form of ruthenium nitrosochloride) 1-10
Аминоуксусна кислота 0,26-0,33 Едкое кали3,0-3,6Aminoacetic acid 0,26-0,33 Caustic potash 3.0-3.6
Процесс ведут при температуре 18-25°С и и катодной плотности тока 0,5-2 а/дм.The process is conducted at a temperature of 18-25 ° C and a cathode current density of 0.5-2 A / dm.
Пример 2. Электролит имеет следующий состав (в моль/л):Example 2. The electrolyte has the following composition (in mol / l):
Рутений (в виде нитрозохлорида рутени )0,08-0,1Ruthenium (in the form of ruthenium nitrosochloride) 0.08-0.1
Иминодиуксусна кислота 0,18-0,23 Едкое кали3,0-3,6Iminodiacetic acid 0,18-0,23 Caustic potash 3.0-3.6
Процесс ведут при температуре 15-25°С и катодной плотности тока 0,5-2,5 а/дм.The process is conducted at a temperature of 15-25 ° C and a cathode current density of 0.5-2.5 a / dm.
Пример 3. Электролит имеет следующий состав (в моль/л):Example 3. The electrolyte has the following composition (in mol / l):
Рутений (в виде нитрозохлорида рутени )0,08-0,1Ruthenium (in the form of ruthenium nitrosochloride) 0.08-0.1
Нитрилотриуксусна кислота0 ,09-0,11 Едкое кали3,0-3,6Nitrilotriacetic acid0,09-0,11 Caustic potassium3.0-3.6
Процесс ведут при температуре 18-25°С и катодной ПЛОТ1НОСТИ тока 0,5-5 а/дм.The process is carried out at a temperature of 18-25 ° C and a cathode current DENSITY of 0.5-5 a / dm.
По предложеиному способу электролит рутенирО;вани обладает повышенной стабильностью , а осадки рутени вл ютс светлыми и блест щими.According to the proposed method, the electrolyte of Ruthenir O is highly stable, and the ruthenium precipitates are bright and shiny.
Предмет изобретени Subject invention
Claims (4)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SU1497124A SU377431A2 (en) | 1970-12-11 | 1970-12-11 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SU1497124A SU377431A2 (en) | 1970-12-11 | 1970-12-11 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| SU377431A1 true SU377431A1 (en) | |
| SU377431A2 SU377431A2 (en) | 1973-04-17 |
Family
ID=20460675
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SU1497124A SU377431A2 (en) | 1970-12-11 | 1970-12-11 |
Country Status (1)
| Country | Link |
|---|---|
| SU (1) | SU377431A2 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0018165A1 (en) * | 1979-04-10 | 1980-10-29 | Inco Europe Limited | A bath and a process for electrodepositing ruthenium, a concentrated solution for use in forming the bath and an object having a ruthenium coating |
-
1970
- 1970-12-11 SU SU1497124A patent/SU377431A2/ru active
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