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 > > > > > > > -------------------------------------------------------------------------- ---- > > Do you Yahoo!? > > Protect your identity with Yahoo! Mail > AddressGuard > > > __________________________________ > Do you Yahoo!? > Protect your identity with Yahoo! Mail AddressGuard > http://antispam.yahoo.com/whatsnewfree > _______________________________________________ > pianotech list info: https://www.moypiano.com/resources/#archives >
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