为了解决氰化物镀银溶液给环境带来的污染,采用5,5-二甲基乙内酰脲和焦磷酸钾为配位剂,研究了低污染无氰镀银溶液的组成.考察了硝酸银、5,5-二甲基乙内酰脲、碳酸钾、焦磷酸钾、添加剂的含量及pH对镀银层外观质量的影响;采用场发射扫描电子显微镜观察镀银层的微观形貌.实验结果表明,采用低污染无氰镀银溶液可获得光亮细致的镀银层,镀银溶液对环境污染小,其废水处理容易,具有工业应用推广的价值.
参考文献
| [1] | 张庆,成旦红,郭国才,郭长春,曹铁华.无氰镀银技术发展及研究现状[J].电镀与精饰,2007(05):12-16. |
| [2] | 陈惠国.论电镀废水治理技术发展动态[J].电镀与环保,2001(03):32-35. |
| [3] | Simons W.;Hubin A.;Gonnissen D. .STUDY OF THE INITIAL STAGES OF SILVER ELECTROCRYSTALLISATION FROM SILVER THIOSULPHATE COMPLEXES .1. MODELLING OF THE SILVER NUCLEI FORMATION DURING THE INDUCTION PERIOD[J].Journal of Electroanalytical Chemistry: An International Journal Devoted to All Aspects of Electrode Kinetics, Interfacial Structure, Properties of Electrolytes, Colloid and Biological Electrochemistry,1997(1/2):141-151. |
| [4] | Vandeputte S;Verboom E;Hubin A .Influence of the Sodium Nitrate Content on the Rate of the Electrodeposition of Silver from Thiosulphate Solutions[J].Electrochimica Acta,1997,42(23):3429-3441. |
| [5] | Vandeputte S;Verboom E;Hubin A .Investigation of the Mechanism of Silver Deposition from Thiosulphate Solutions by Means of ac Impedance Measurements and Surface-enhanced Raman Spectroscopy[J].Electrochimica Acta,1996,41(07):1051-1056. |
| [6] | 杨秀汉 .对亚氨基二磺酸铵无氰镀银的工艺探讨[J].电镀与环保,1985,5(01):12-14. |
| [7] | 张瑜 .咪唑磺基水杨酸镀银[J].表面技术,1982,11(04):22-24. |
| [8] | Sobha Jayakrishnan;S.R. Natarajan;K.I. Vasu .Alkaline Noncyanide Bath for Electrodeposition of Silver[J].Metal finishing,1996(5):12,14-15-0. |
| [9] | Masaki S .Mirror-bright Silver Plating from a Cyanide-free Bath[J].Metal Finishing,1998,96(01):18-20. |
| [10] | 刘奎仁 .亚硫酸盐无氰镀银新工艺[J].黄金学报,1997,4(16):258-263. |
| [11] | 周永璋,丁毅,陈步荣.丁二酰亚胺无氰镀银工艺[J].表面技术,2003(04):51-52. |
| [12] | de Oliveira GM;Barbosa LL;Broggi RL;Carlos IA .Voltammetric study of the influence of EDTA on the silver electrodeposition and morphological and structural characterization of silver films[J].Journal of Electroanalytical Chemistry: An International Journal Devoted to All Aspects of Electrode Kinetics, Interfacial Structure, Properties of Electrolytes, Colloid and Biological Electrochemistry,2005(1):151-158. |
上一张
下一张
上一张
下一张
计量
- 下载量()
- 访问量()
文章评分
- 您的评分：
-
10%
-
20%
-
30%
-
40%
-
50%