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John Krowinkel

on 21 June 2011

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Transcript of metaal

metalen ijzer en staal bronzen tijdperk ijzerhoudende of ferrometalen

non ferro metalen

legeringen Brons: 90% koper en 10% tin
Messing: > 55% koper met <45% zink (meest gangbare)
Soldeertin: 60 % tin en 40% lood
Amalgaan: kwik 50%, zilver 35%, koper 2%,
zink 1% en tin 13%. koper aluminium nikkel zilver goud kopererts cokes ijzer
pellets legeringen hoe komen we aan metalen? bauxiet kalk ijzererts
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