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Salicylic acid solution turning pink I got the same while synthetizing acetylsalicylic acid, on the recristallization phase. It was a mis ...	6-2-2013 at 13:32 by: Urzah
If you had to set up a chem lab from absolute scratch with almost no money.... As for Cabbage juice, you can keep it quite a few weeks or months if you mix a little alcohol in it. ...	24-1-2013 at 08:11 by: Urzah
Rhodamine B I do use Rhodamine B each year a few times for chemical demonstrations with kids. Its a very strong ...	9-1-2013 at 06:13 by: Urzah
Science Fair Ideas/suggestions There is infinite possibilities.... A few examples: - a study of vitamins (or proteins, or fi ...	12-12-2012 at 06:50 by: Urzah
electrolysis of water Do you have access to more chemicals? i think the best way to get CuO is by the heating of Cu(OH)2, ...	16-11-2012 at 06:56 by: Urzah
electrolysis of water Which copper oxide you want? CuO or Cu2O?	16-11-2012 at 05:56 by: Urzah
Sulfuric acid on skin contact I do always wear lab coat and gloves when using strong chemicals. However, accidents happens. A ...	15-11-2012 at 08:42 by: Urzah
electrolysis of water Maybe copper Hydroxide Cu(OH)2. If you filtrate and dry it it should be green if its copper hydr ...	15-11-2012 at 08:15 by: Urzah
how much CaO or CaCO3 needed to increase pH in sea water? If you want to use natural seawater, you cant do it theorically. Youll need to test it in a methodic ...	9-11-2012 at 08:04 by: Urzah