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GM7HUD > HBREW 06.04.06 17:13l 17 Lines 854 Bytes #999 (0) @ WW
BID : 7411_GB7ESX
Read: GUEST DF1GG
Subj: Re: Galena crystals - how?
Path: DB0FHN<DB0MRW<DK0WUE<7M3TJZ<HG8LXL<KP4IG<HS1LMV<ED1ZAC<GB7YKS<GB7SYP<
GB7ESX
Sent: 060406/1406z 07411@GB7ESX.#31.GBR.EU $:7411_GB7ESX [Witham, Esx]NNA V3.1
Galena is lead sulphide and is commonly found in crystalline form. In the UK
it is easily found in the Slate Quarries in North Wales Blanau Ffestinniog.
A trip up to the quarries and a wander around the hillsides and waste heaps
should turn up some big lumps of Galena.
As for rusting stainless steel. Don't let anyone tell you that stainless steel
doesnt rust! You can easily get stainless steel to corrode by exposing it to
4-Isopropenyl-1-Methylcyclohexane. This is the active ingredient in the
commonly found industrial degreaser CitriSol.
Degrease you shiny stainless steel panels with CitriSol and you'll soon see
that stainless steel rusts very easily! So much so that a histopathology
slide stainer I helped design had to have some 'Monel' panels fitted to
stop the rusty bits showing. And Monel costs an absolute fortune!
73 de Andy GM7HUD
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