It should have been obvious what I was trying to say. The pure form of
BeO IS white, but the manufacturers have licence to make it any colour
that they please, from white to black, depending on what mix of
"alumina", "silica", and "beryllia" and other compounds they choose to
incorporate in the mix
An amateur who assumes it has to be pure white to be BeO, such as
urself, apparently, could be in for a nasty....
"Ian White, G3SEK" wrote:
>
> Ian Roberts wrote:
> >
> >What are you saying about pure "beryllia" in high temp components?
> >Does it have to be pure?
> >
> No, but it doesn't have to be pink either. All I'm saying is that it's
> not correct to assume that any ceramic contains beryllia just because
> it's pink.
>
> >"Ian White, G3SEK" wrote:
> >>
> >> Ian Roberts wrote:
> >> >The best advice must be to treat any porcelain-like high temperature
> >> >device as probably containing Be, including the "pinkish" Russian ditto,
> >> >and the insides of power transistors.
> >>
> >> Pure beryllia is white, and the pink colour is not related to beryllia -
> >> see the FAQ page at www.svetlana.com
> >
>
> 73 from Ian G3SEK Editor, 'The VHF/UHF DX Book'
> 'In Practice' columnist for RadCom (RSGB)
> http://www.ifwtech.demon.co.uk/g3sek
>
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