well, i have silicon wafers with gold areas. yes, i know the O2 dry plasma, but my company hasn't the needed instrumentation. what do you
think of aqua regia? Is it less dangerous than piranha solution? I know
that aqua regia destroy gold, but for short time contact it could be
used to clean gold.
thank you for your reply
Re: Temple Institute Announces: High Priests Crown is Ready! ... I must have dreamt what I thought I knew about aqua regia then. ... two acids, hydrochloric and nitric, will not make gold soluble.... It's not the ancients who were making silly claims... ... who writes in His Torah that Moses ... (soc.culture.jewish.moderated)
Gold refining in a nutshell. ... This process involves a two-step acid dissolution using nitric acid and ... Get all your gold together and figure out how much pure gold you ... cause immediate bubbling and dissolution of copper, ...Aqua Regia over low ... (rec.crafts.jewelry)
Re: pirahna solution ... i have silicon wafers with gold areas.... > that aqua regia destroy gold, but for short time contact it could be ...Plasma ashing is much to be preferred - fast, effective, no chemical ... hydrogen peroxide is death on skin contact - it rapidly diffuses in ... (sci.chem)
Re: Temple Institute Announces: High Priests Crown is Ready! ... I must have dreamt what I thought I knew about aqua regia then. ... two acids, hydrochloric and nitric, will not make gold soluble.... who writes in His Torah that Moses ... I don't believe I made any comments about what either God or the Torah ... (soc.culture.jewish.moderated)
Re: Gold plating ...non-cyanide solution and I agree, cost is not an issue especially if the ... can I replenish the gold in the non-cyanide ... What is "mostly" Aqua Regia?... (rec.crafts.jewelry)
