FIELD: electroplating, more particularly applying nickel coatings from pyrophosphate electrodes in machine building and instrument making. SUBSTANCE: electrolyte comprises, g; nickel sulfate, 40-60; potassium pyrophosphate, 160-200; ammonium chloride, 3-5; borax, 3,5;2,4- dinitrophenyl hydrazine, 1.3 mmol/l; red methyl, 1.5 mmole/l; and water, up to 1 l. EFFECT: pore-free nickel coatings within wide range of current densities at maximum hydrogen absorption of steel substrate. 2 cl, 2 ex, 3 tbl
| Title | Year | Author | Number |
|---|---|---|---|
| ELECTROLYTE FOR BRIGHT NICKEL-PLATING | 2001 |
|
RU2210638C2 |
| ELECTROLYTE FOR BRIGHT NICKEL PLATING | 2000 |
|
RU2194803C2 |
| ELECTROLYTE FOR BRIGHT NICKEL PLATING | 1999 |
|
RU2176292C2 |
| AQUEOUS ELECTROLYTE FOR BRIGHT COPPER COATING OF STEEL BACKPLATES | 2004 |
|
RU2361969C2 |
| ELECTROLYTE FOR PRECIPITATION OF NICKEL-IRON ALLOY COATS ON STEEL SUBSTRATES | 2003 |
|
RU2314366C2 |
| NICKEL-PLATING ELECTROLYTE | 0 |
|
SU1629355A1 |
| BRIGHT COPPER PLATING ELECTROLYTE | 1995 |
|
RU2103420C1 |
| AQUEOUS BRIGHT COPPER PLATING ELECTROLYTE FOR | 1999 |
|
RU2175999C2 |
| ELECTROLYTE FOR BRIGHT NICKEL PLATING | 2008 |
|
RU2363774C1 |
| BRIGHT COPPER PLATING ELECTROLYTE | 1999 |
|
RU2179203C2 |
