CN106283136A - Bullion white surface processes plating solution, preparation method and electro-plating method thereof - Google Patents
Bullion white surface processes plating solution, preparation method and electro-plating method thereof Download PDFInfo
- Publication number
- CN106283136A CN106283136A CN201610656088.1A CN201610656088A CN106283136A CN 106283136 A CN106283136 A CN 106283136A CN 201610656088 A CN201610656088 A CN 201610656088A CN 106283136 A CN106283136 A CN 106283136A
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- Prior art keywords
- plating
- solution
- bullion
- palladium
- plating solution
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- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D3/00—Electroplating: Baths therefor
- C25D3/02—Electroplating: Baths therefor from solutions
- C25D3/56—Electroplating: Baths therefor from solutions of alloys
- C25D3/562—Electroplating: Baths therefor from solutions of alloys containing more than 50% by weight of iron or nickel or cobalt
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D5/00—Electroplating characterised by the process; Pretreatment or after-treatment of workpieces
- C25D5/34—Pretreatment of metallic surfaces to be electroplated
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Electroplating Methods And Accessories (AREA)
Abstract
The invention discloses a kind of bullion white surface and process plating solution, preparation method and electro-plating method thereof, the nickel sulfamic acid of Ammonium sulfamate and about 20g that this preparation method weighs about 90g is poured in the beaker of 1L；The water dilution adding 700ml is dissolved；Add stirrer, beaker is put into heated and stirred 40 minutes in heat collecting type constant-temperature heating magnetic stirring apparatus；Adding dinitroso diamino palladium after taking-up, wherein palladium content is about 6g palladium；Add water to about 950ml, place into heated and stirred 15min in heat collecting type constant-temperature heating magnetic stirring apparatus；Taking out beaker solution is filtered, acid-base value tested by the PH paper of specification 69 of the solution after filtration, if pH value is 89, then may be used；If it is not, then take ammonia with glue head dropper, add semicanal, stir 2 3min with Glass rod, then survey pH value, when repeating aforesaid operations until pH value is 89；It is eventually adding pure water polishing solution and forms plating solution after 1L.
Description
Technical field
The present invention relates to jewelry processing technology field, particularly relate to a kind of bullion white surface and process plating solution, preparation
Method and electro-plating method thereof.
Background technology
Bullion surface being processed into white liked by consumer very much, therefore people would generally be at the table of bullion
Face is processed as white, but existing processing method decay resistance is bad, wears the white of bullion after a period of time
Brightness is the highest, is therefore easy to affect its using effect.
Summary of the invention
For weak point present in above-mentioned technology, the present invention provide a kind of bullion white surface process plating solution,
Preparation method and electro-plating method thereof, white surface electroplating effect is good, and electroplating bright degree is high, does not also have and take off after long-time use
The phenomenon of color.
For achieving the above object, the present invention provides a kind of bullion white surface to process plating solution, including following components: ammonia
The amount 4.5-7 g Han palladium in base ichthyodin 70-100g, nickel sulfamic acid 10-25 g, dinitroso diamino palladium.
For achieving the above object, the present invention also provides for a kind of bullion white surface and processes the preparation method of plating solution, its
It is characterised by, comprises the following steps:
Step a1, the nickel sulfamic acid of the Ammonium sulfamate and about 20g that weigh about 90g is poured in the beaker of 1L；
Step a2, the water dilution adding 700ml is dissolved；
Step a3, adds stirrer, beaker is put into heated and stirred 40 minutes in heat collecting type constant-temperature heating magnetic stirring apparatus；
Step a4, adds dinitroso diamino palladium after taking-up, wherein palladium content is about 6g palladium；
Step a5, adds water to about 950ml, places into heated and stirred 15min in heat collecting type constant-temperature heating magnetic stirring apparatus；
Step a6, takes out beaker and solution is filtered, and acid-base value tested by the PH paper of specification 6-9 of the solution after filtration, if pH value
During for 8-9, then may be used；If it is not, then take ammonia with glue head dropper, add semicanal, stir 2-3min with Glass rod, then survey pH value,
When repeating aforesaid operations until pH value is 8-9；
Step a7, is eventually adding pure water polishing solution and forms plating solution after 1L.
Wherein, between temperature 30-40 DEG C in described step a3.
Wherein, dinitroso diamino palladium is solution, thus need by the concentration of palladium in dinitroso diamino palladium solution and
The gauge of required palladium calculates required volume.
For achieving the above object, the present invention also provides for a kind of bullion white surface and processes the electro-plating method of plating solution, bag
Include following steps:
Step b1, the most first opens pulse power heat engine 30min, and opens the setting of heat collecting type constant-temperature heating magnetic stirring apparatus
Temperature is 50 DEG C；
Step b2, puts into the plating solution prepared and carries out heated and stirred；
Step b3, pre-plating piece is carried out cold water first wash-cold water of electrolytic degreasing-again washes；
Step b4, puts into after cold water is washed again and thoroughly cleans surface in ultrasonic washing unit, it is ensured that pre-plating piece clean surface；
Step b5, by activation of cathode, is placed on pre-plating piece on negative electrode and carries out electro-reduction reaction, is difficult to absorb electronics, for promoting
Make it absorb electronics, make cathode potential be more negative than equilibrium potential, it is simple to plating；
Step b6, puts into plating Pt titanium net on the anode connecting constant current source in plating solution, sets the electric current of constant current source, and electricity
Pressure is transferred to maximum；
Step b7, connects negative electrode by pre-plating piece and puts in plating solution, electroplating；
Step b8, plating product out first rinses surface with wash bottle, then with air-cooler, water is dried up；
Step b9, checks that the coating of electroplated product is the most qualified, if meeting, then and addressee warehouse-in.
Wherein, the inspection method of described step b9 is: observe by the naked eye the bright degree of coating surface, color and luster, smooth
With hands wiping on coating, degree, looks at that combination rate is the most qualified.
Wherein, the concretely comprising the following steps of described step b3:
Step b31, is washed away pre-plating piece except the dirt of surface easy cleaning by cold water；
Step b32, removes the greasy dirt on pre-plating piece surface by electrolytic degreasing, allows the greasy dirt on pre-plating piece surface peel off pre-plating piece table
Face, it is simple to follow-up cleaning removes cleans；
Step b33, the surface and oil contaminant of the pre-plating piece after electrolytic degreasing, wash intensification at cold water after taking-up and clean oil removing.
Wherein, in described step b5, pre-plating piece is by after activation of cathode, is washed with water and removes activation of cathode remained on surface
Solution.
The invention has the beneficial effects as follows: compared with prior art, the bullion white surface that the present invention provides processes plating
Liquid, preparation method and electro-plating method thereof, this plating solution preparation method is simple, and preparation cost is low, uses this plating solution to bullion
Surface carry out white electroplating processes, process its white surface corrosion resistance and good of bullion of obtaining, brightness is high, time long
Between wear after do not have decolouring or the phenomenon faded yet.
Accompanying drawing explanation
Fig. 1 is the flow chart of the preparation method of the bullion white surface process plating solution of the present invention；
Fig. 2 is the flow chart of the electro-plating method of the bullion white surface process plating solution of the present invention.
Detailed description of the invention
In order to more clearly state the present invention, below in conjunction with the accompanying drawings the present invention is further described.
The bullion white surface of the present invention processes plating solution, includes following components according to quality: Ammonium sulfamate 70-
The amount 4.5-7 g Han palladium in 100g, nickel sulfamic acid 10-25 g, dinitroso diamino palladium.
Referring to Fig. 1, the present invention also provides for a kind of bullion white surface and processes the preparation method of plating solution, and its feature exists
In, comprise the following steps:
Step Sa1, the nickel sulfamic acid of the Ammonium sulfamate and about 20g that weigh about 90g is poured in the beaker of 1L；
Step Sa2, the water dilution adding 700ml is dissolved；
Step Sa3, adds stirrer, beaker is put into heated and stirred 40 minutes in heat collecting type constant-temperature heating magnetic stirring apparatus；Should
Between step temperature 30-40 DEG C；
Step Sa4, adds dinitroso diamino palladium after taking-up, wherein palladium content is about 6g palladium；Dinitroso diamino palladium is solution,
So needing to calculate required volume by the concentration of palladium and the gauge of required palladium in dinitroso diamino palladium solution；
Step Sa5, adds water to about 950ml, places into heated and stirred 15min in heat collecting type constant-temperature heating magnetic stirring apparatus；
Step Sa6, takes out beaker and solution is filtered, and acid-base value tested by the PH paper of specification 6-9 of the solution after filtration, if pH value
During for 8-9, then may be used；If it is not, then take ammonia with glue head dropper, add semicanal, stir 2-3min with Glass rod, then survey pH value,
When repeating aforesaid operations until pH value is 8-9；
Step Sa7, is eventually adding pure water polishing solution and forms plating solution after 1L.
Component optimal in this case is: in 90g Ammonium sulfamate, the nickel sulfamic acid of about 20g, dinitroso diamino palladium
Palladium content is 6g palladium.
Compared to the situation of prior art, the bullion white surface that the present invention provides processes plating solution, preparation method, should
Plating solution preparation method is simple, and preparation cost is low, it is not necessary to professional operator can complete, and its production efficiency is extremely large.
Further referring to Fig. 2, the present invention also provides for a kind of bullion white surface and processes the electro-plating method of plating solution, bag
Include following steps:
Step Sb1, the most first opens pulse power heat engine 30min, and opens heat collecting type constant-temperature heating magnetic stirring apparatus and set
Putting temperature is 50 DEG C；
Step Sb2, puts into the plating solution prepared and carries out heated and stirred；
Step Sb3, pre-plating piece is carried out cold water first wash-cold water of electrolytic degreasing-again washes；Concretely comprise the following steps step Sb31, will
Pre-plating piece is washed away except the dirt of surface easy cleaning by cold water；Step Sb32, removes the oil on pre-plating piece surface by electrolytic degreasing
Dirt, allows the greasy dirt on pre-plating piece surface peel off pre-plating piece surface, it is simple to follow-up cleaning removes cleans；Step Sb33, after electrolytic degreasing
The surface and oil contaminant of pre-plating piece, wash intensification at cold water after taking-up and clean oil removing；
Step Sb4, puts into after cold water is washed again and thoroughly cleans surface in ultrasonic washing unit, it is ensured that pre-plating piece clean surface；
Step Sb5, by activation of cathode, is placed on pre-plating piece on negative electrode and carries out electro-reduction reaction, is difficult to absorb electronics, for promoting
Make it absorb electronics, make cathode potential be more negative than equilibrium potential, it is simple to plating；Pre-plating piece is by, after activation of cathode, being washed with water
Remove the solution of activation of cathode remained on surface；
Step Sb6, puts into plating Pt titanium net on the anode connecting constant current source in plating solution, sets the electric current of constant current source, and handle
Voltage is transferred to maximum；
Step Sb7, connects negative electrode by pre-plating piece and puts in plating solution, electroplating；
Step b8, plating product out first rinses surface with wash bottle, then with air-cooler, water is dried up；
Step Sb9, checks that the coating of electroplated product is the most qualified, if meeting, then and addressee warehouse-in.
Wherein, the inspection method of step b9 is: observe by the naked eye the bright degree of coating surface, color and luster, smoothness, uses
Hands wiping on coating looks at that combination rate is the most qualified.
Compared to the situation of prior art, the bullion white surface that the present invention provides processes the electro-plating method of plating solution,
Use this plating solution that the surface of bullion carries out white electroplating processes, process its white surface of bullion obtained corrosion-resistant
Performance is good, and brightness is high, does not also have decolouring or the phenomenon faded after wearing for a long time.
The several specific embodiments being only the present invention disclosed above, but the present invention is not limited to this, any ability
What the technical staff in territory can think change all should fall into protection scope of the present invention.
Claims (8)
1. a bullion white surface processes plating solution, it is characterised in that include following components: Ammonium sulfamate 70-100g,
The amount 4.5-7 g Han palladium in nickel sulfamic acid 10-25 g, dinitroso diamino palladium.
2. the preparation method of a bullion white surface process plating solution, it is characterised in that comprise the following steps:
Step a1, the nickel sulfamic acid of the Ammonium sulfamate and about 20g that weigh about 90g is poured in the beaker of 1L；
Step a2, the water dilution adding 700ml is dissolved；
Step a3, adds stirrer, beaker is put into heated and stirred 40 minutes in heat collecting type constant-temperature heating magnetic stirring apparatus；
Step a4, adds dinitroso diamino palladium after taking-up, wherein palladium content is about 6g palladium；
Step a5, adds water to about 950ml, places into heated and stirred 15min in heat collecting type constant-temperature heating magnetic stirring apparatus；
Step a6, takes out beaker and solution is filtered, and acid-base value tested by the PH paper of specification 6-9 of the solution after filtration, if pH value
During for 8-9, then may be used；If it is not, then take ammonia with glue head dropper, add semicanal, stir 2-3min with Glass rod, then survey pH value,
When repeating aforesaid operations until pH value is 8-9；
Step a7, is eventually adding pure water polishing solution and forms plating solution after 1L.
Bullion white surface the most according to claim 2 processes the preparation method of plating solution, it is characterised in that described step
Between temperature 30-40 DEG C in rapid a3.
Bullion white surface the most according to claim 2 processes the preparation method of plating solution, it is characterised in that two nitrous
Base diamino palladium is solution, so needing to calculate institute by the concentration of palladium and the gauge of required palladium in dinitroso diamino palladium solution
The volume needed.
5. the electro-plating method of a bullion white surface process plating solution, it is characterised in that comprise the following steps:
Step b1, the most first opens constant current source heat engine 30min, and opens the setting of heat collecting type constant-temperature heating magnetic stirring apparatus
Temperature is 30 DEG C；
Step b2, puts into heat collecting type constant-temperature heating magnetic stirring apparatus by the plating solution prepared and carries out heated and stirred；
Step b3, pre-plating piece is carried out cold water first wash-cold water of electrolytic degreasing-again washes；
Step b4, puts into after cold water is washed again and thoroughly cleans surface in ultrasonic washing unit, it is ensured that pre-plating piece clean surface；
Step b5, by activation of cathode, is placed on pre-plating piece on negative electrode and carries out electro-reduction reaction, is difficult to absorb electronics, for promoting
Make it absorb electronics, make cathode potential be more negative than equilibrium potential, it is simple to plating；
Step b6, puts into plating Pt titanium net on the anode connecting constant current source in plating solution, sets the electric current of constant current source, and electricity
Pressure is transferred to maximum；
Step b7, connects negative electrode by pre-plating piece and puts in plating solution, electroplating；
Step b8, plating product out first rinses surface with wash bottle, then with air-cooler, water is dried up；
Step b9, checks that the coating of electroplated product is the most qualified, if meeting, then and addressee warehouse-in.
Bullion white surface the most according to claim 5 processes the electro-plating method of plating solution, it is characterised in that described step
The inspection method of rapid b9 is: observe by the naked eye the bright degree of coating surface, color and luster, smoothness, with hands wiping on coating
Look at that combination rate is the most qualified.
Bullion white surface the most according to claim 5 processes the electro-plating method of plating solution, it is characterised in that described step
Rapid b3 concretely comprises the following steps:
Step b31, is washed away pre-plating piece except the dirt of surface easy cleaning by cold water；
Step b32, removes the greasy dirt on pre-plating piece surface by electrolytic degreasing, allows the greasy dirt on pre-plating piece surface peel off pre-plating piece table
Face, it is simple to follow-up cleaning removes cleans；
Step b33, the surface and oil contaminant of the pre-plating piece after electrolytic degreasing, wash intensification at cold water after taking-up and clean oil removing.
Bullion white surface the most according to claim 5 processes the electro-plating method of plating solution, it is characterised in that described step
In rapid b5, pre-plating piece is by after activation of cathode, is washed with water the solution removing activation of cathode remained on surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610656088.1A CN106283136A (en) | 2016-08-11 | 2016-08-11 | Bullion white surface processes plating solution, preparation method and electro-plating method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610656088.1A CN106283136A (en) | 2016-08-11 | 2016-08-11 | Bullion white surface processes plating solution, preparation method and electro-plating method thereof |
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| CN106283136A true CN106283136A (en) | 2017-01-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610656088.1A Pending CN106283136A (en) | 2016-08-11 | 2016-08-11 | Bullion white surface processes plating solution, preparation method and electro-plating method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109097813A (en) * | 2018-11-05 | 2018-12-28 | 史晓宗 | A kind of jewelry processing environment-friendly type electroplanting device |
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|---|---|---|---|---|
| JPS599188A (en) * | 1982-07-06 | 1984-01-18 | Toko Kk | Combined decorative and exterior parts |
| JPH06340983A (en) * | 1993-06-02 | 1994-12-13 | Takamatsu Mekki Kogyo Kk | Personal ornament with palladium-copper plating film |
| CN101838830A (en) * | 2010-05-07 | 2010-09-22 | 厦门大学 | Electrolyte of electroplating palladium-nickel alloy |
| CN102244976A (en) * | 2011-04-22 | 2011-11-16 | 杭州威利广光电科技股份有限公司 | Bismaleimide and triazine (BT) circuit board alloy plating layer suitable for gold wire bonding |
| CN102677110A (en) * | 2012-04-19 | 2012-09-19 | 永保纳米科技(深圳)有限公司 | Au-Pd alloy electroplating solution as well as preparation method and electroplating process thereof |
-
2016
- 2016-08-11 CN CN201610656088.1A patent/CN106283136A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS599188A (en) * | 1982-07-06 | 1984-01-18 | Toko Kk | Combined decorative and exterior parts |
| JPH06340983A (en) * | 1993-06-02 | 1994-12-13 | Takamatsu Mekki Kogyo Kk | Personal ornament with palladium-copper plating film |
| CN101838830A (en) * | 2010-05-07 | 2010-09-22 | 厦门大学 | Electrolyte of electroplating palladium-nickel alloy |
| CN102244976A (en) * | 2011-04-22 | 2011-11-16 | 杭州威利广光电科技股份有限公司 | Bismaleimide and triazine (BT) circuit board alloy plating layer suitable for gold wire bonding |
| CN102677110A (en) * | 2012-04-19 | 2012-09-19 | 永保纳米科技(深圳)有限公司 | Au-Pd alloy electroplating solution as well as preparation method and electroplating process thereof |
Non-Patent Citations (4)
| Title |
|---|
| 《溶液中金属及其他有用成分的提取》编委会: "《溶液中金属及其他有用成分的提取》", 31 October 1995, 冶金工业出版社 * |
| 张允诚 等，: "《电镀手册 第三版》", 31 January 2007, 国防工业出版社 * |
| 李风凌 等，: ""钯-镍合金电镀的研究进展"", 《电镀与环保》 * |
| 蒋官澄 等，: "《海上油气设施腐蚀与防护》", 31 May 2006, ，中国石油大学出版社 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109097813A (en) * | 2018-11-05 | 2018-12-28 | 史晓宗 | A kind of jewelry processing environment-friendly type electroplanting device |
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Application publication date: 20170104 |