[ARC5] Crystals in WWII

[Bill Fuqua]

   Here is the WHINK MSDS, seems to be about 2% by weight HF.
http://www.wardrobesupplies.com/assets/products/4652/safety_sheets/Whink%20Rust%20Remover%2010062008.pdf?1323898750
73
Bill wa4lav


At 01:24 PM 3/15/2013 -0700, Kenneth G. Gordon wrote:
>On 15 Mar 2013 at 13:15, J. Forster wrote:
>
> > I think that HF is often generated at the reaction site by mixing a
> > metal Fluoride (like CaF2) with an acid.
> >
> > It is nasty, dangerous stuff to handle and store in pure form.
>
>Yes. VERY dangerous. As I said, not only does it cause burns which are very
>slow to heal, it penetrates the skin and attacks the bone beneath.
>
>This is the main reason I would like to know how well that rust remover, such
>as the "WHINK" I have been buying at the local grocery store and have been
>using for years, will work at "etching" crystals.
>
>That stuff appears to be dilute enough to not be particularly dangerous if
>common precautions are taken, yet, if it works, we can use it reasonably
>safely.
>
>I guess I'll just try it and see what happens, then will report here and
>elsewhere.
>
>Ken W7EKB
>______________________________________________________________
>ARC5 mailing list
>Home: http://mailman.qth.net/mailman/listinfo/arc5
>Help: http://mailman.qth.net/mmfaq.htm
>Post: mailto:ARC5 at mailman.qth.net
>
>This list hosted by: http://www.qsl.net
>Please help support this email list: http://www.qsl.net/donate.html