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In my contry 1000ml of Phenol (in polish langueg Fenol) cost 3 $ :-), and we don't have any ...
2-12-2002 at 13:00
by: snop
making H2SO4 from NH4HSO4-patent
Why meking H2SO4 witch HNO3 and NH4NO3

IN poland 1000ml H2SO4 cz.d.a cost 12PLN or cz. 8PLN , ...
2-12-2002 at 12:55
by: snop
robimy roztwór 8% azotanu niklu(100ml).
po³owê jego wlewamy do kolby i dodajemy 50 ml wo ...
2-12-2002 at 12:45
by: snop

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