This might work,

KI/I2/H2O (4g:1g:40ml)

Hung-Ming Chen

--- Chen-Han Lee  wrote:

>
>
> Hi,
>
> could some one recommend some echant which etches
> gold but not Nickel or
> other nickel alloys.
>
> thanks for helping
>
> chen-han
>
> ///////////////////////////////////
> Chen-Han Lee
> Research Student
> School of Manufacturing and Mechanical Engineering,
> University of Birmingham,
> Birmingham, B15 2TT
> United Kingdom,
> Phone :  +44 121 4144245
> Fax :    +44 121 4143958
> E-Mail : dcl815@bham.ac.uk
> ///////////////////////////////////
>
>
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