全部 标题 作者
关键词 摘要

OALib Journal期刊
ISSN: 2333-9721
费用:99美元

查看量下载量

相关文章

更多...
电化学  2001 

钒化合物对酸性镀锡溶液的稳定作用

, PP. 90-95

Keywords: 钒化合物,酸性镀锡,稳定作用

Full-Text   Cite this paper   Add to My Lib

Abstract:

研究了钒化合物稳定剂对酸性SnSO4溶液稳定性的影响.可见光谱分析表明稳定剂中主要含有VO2+和少量的V3+,循环伏安实验显示在-0.20~-0.55V(vs.SCE)电位范围内VO2+能够在阴极上还原为V3+,在更负的电位下V3+能进一步还原到V2+.实验结果说明稳定剂中的低价钒离子有效地清除了镀液中的溶解氧,因而防止了Sn2+离子的氧化,显著地提高了酸性锡镀液的稳定性.

References

[1]   LiaoYijia .StudyoftheturbidityproblemofSn Cealloyplatingbath[J].Electroplating&PollutionControl(inChinese) ,1987,7(2 ) :15~ 18.
[2]  [2 ]  FanXiao lin ,Daizhen .Anapproachofthemechanismofunstabilityofthesulphateelectroplatingbathforbrighttinplating[J].PlatingandFinishing (inChinese) ,1988,10 (4 ) :10~ 12 .
[3]   LaiLong jun .StudiesonstabilizerofacidbrightSnplating[J].Electroplating&PollutionControl (inChi nese) ,1990 ,10 (2 ) :10~ 13.
[4]  [4 ]  ZhangYong qiang ,Liuxing quan .Studyofthesolderabilityoftinalloyandstabilizersforacidictinplating[J].Electroplating&PollutionControl (inChinese) ,1994 ,14(4 ) :3~ 5.
[5]   LiDi,GuWen bin ,TanYing heng ,etc .AstudyonadditivesinacidbrightSnplating[J].MaterialsPro tecting (inChinese) ,1994 ,2 7(9) :7~ 9.
[6]  [6 ]  S .C .Furman ,C .S .Garner.AbsorptionSpectraofVanadium (Ⅲ )andVanadium (IV)ionsincomplexingandNon complexingMedia[J].J .Am .Chem .Soc .,1950 ,72 :1785~ 1797.
[7]   M .PrivmanandT .Hepel.Electrochemistryofvanadiumelectrodes.Part 1.Cyclicvoltammetryinaqueoussolutions[J].JElectroanal.Chem .,1995,382 :137~ 144 .
[8]   E .Tsuchida ,K .Oyaizu ,E .LDewi,ect.Anson ,CatalysisoftheElectroreductionofO2 toH2 ObyVanadi um salenComplexesinAcidifiedDichloromethane[J].Inorg .Chem .,1999,38(16 ) :370 4~ 370 8.

Full-Text

Contact Us

service@oalib.com

QQ:3279437679

WhatsApp +8615387084133