how to clean the ivory key from yellow to white

[Peter Burns]

Yes, that should read peroxide. I consider myself chemically chastised!
Regards to all.
----- Original Message ----- 
From: "gordon stelter" <lclgcnp@yahoo.com>
To: "Pianotech" <pianotech@ptg.org>
Sent: Sunday, November 09, 2003 6:18 PM
Subject: Re: how to clean the ivory key from yellow to white


> Really? HCl, not hydrogen peroxide???
>      Thump
>
> --- Peter Burns <peter-burns.pianotuner@tesco.net>
> wrote:
> > Greetings list, I'm with Dave Nereson on this one
> > Ken.  Hydrochloric acid, a flourescent strip light
> > and lots of patience are needed to whiten ivory.  I
> > use one strip bulb, which must be left on all the
> > time including overnight.  Arrange the keys
> > underneath the light and apply the acid with cotton
> > wool several times a day.  It can take a week or two
> > depending on how yellow your keys are.
> > When they are done, buff the key tops with a buffing
> > wheel if possible, to make them shine.  Do not get
> > any acid on your skin, so wear gloves.  In the UK
> > you can only get the acid from a chemist, who will
> > want some proof of what it will be used for.  Good
> > luck.
> >
> > ----- Original Message ----- 
> >   From: Ken Sin
> >   To: pianotech@ptg.org
> >   Sent: Sunday, November 09, 2003 7:06 AM
> >   Subject: re: how to clean the ivory key from
> > yellow to white
> >
> >
> >   Hi  !
> >
> >   I don't know how to make the ivory key from yellow
> > to white ?
> >
> >   anyone can help me !
> >
> >   Thanks !!!
> >
> >   Piano Tuner Student
> >
> >
> >
> >   KenSin
> >   Piano Tuner
> >
> >
> >
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