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Chemistry Experimentation; The "Silent Killer" in China?
[rquote=253895&tid=20661&author=Wizzard]"Causes Cancer" is a much better reason for not doin ... |
11-7-2012 at 06:37
by: weiming1998 |
Scam or not?
The website is highly likely to be a scam.
1, Inappropriate use of the word "catalyst". Typical c ... |
10-7-2012 at 17:05
by: weiming1998 |
I need a challenge
What about the creation, then isolation of thiosulfuric acid? Not as simple as just mixing Na thiosu ... |
10-7-2012 at 01:35
by: weiming1998 |
Chemistry Experimentation; The "Silent Killer" in China?
[rquote=253597&tid=20661&author=kavu]More and more restrictions concerning chemistry experim ... |
8-7-2012 at 03:24
by: weiming1998 |
Chemistry Experimentation; The "Silent Killer" in China?
Although my parents and I live in Western Australia, we originally came from China, and have a satel ... |
8-7-2012 at 00:54
by: weiming1998 |
Why you can't buy sulfuric acid
[rquote=253593&tid=20660&author=DoctorOfPhilosophy]This infuriates me. Here is the summery o ... |
8-7-2012 at 00:26
by: weiming1998 |
Aluminium amalgam
[rquote=253382&tid=20625&author=yuno][rquote=253285&tid=20625&author=weiming1998] Di ... |
6-7-2012 at 00:37
by: weiming1998 |
Aluminium amalgam
Dissolve the black, mercury-filled residue in excess concentrated HCl. Any resulting precipitate is ... |
3-7-2012 at 20:25
by: weiming1998 |
prohibition
[rquote=252058&tid=20484&author=chemrox]As some of you know I oppose all drug prohibition la ... |
29-6-2012 at 17:09
by: weiming1998 |
How to titrate an acid dissolved in acetic acid
[rquote=252733&tid=20543&author=blogfast25][rquote=252726&tid=20543&author=unionised ... |
29-6-2012 at 00:45
by: weiming1998 |
How to titrate an acid dissolved in acetic acid
I would suggest redox titration. Add KMnO4 or MnO2 to your HCl/acetic acid. Chlorine gas and crystal ... |
27-6-2012 at 05:30
by: weiming1998 |
Another Reason to Limit our Access to Chemicals
[rquote=252362&tid=20515&author=Hexavalent]I was in biology class on Friday, and we were bur ... |
25-6-2012 at 05:40
by: weiming1998 |
Dissolving coconut oil
[rquote=252425&tid=20524&author=CHRIS25]I am asking this question on behalf of my wife who m ... |
25-6-2012 at 05:12
by: weiming1998 |
The short questions thread (3)
[rquote=249907&tid=14239&author=plante1999]How can-I test for calcium cyanamide without silv ... |
25-6-2012 at 02:52
by: weiming1998 |
Reaction of NH4OH and MgSO4
This reaction is a very simple double displacement reaction.
First: NH3+H2O<--->NH4(+)+OH-. ... |
22-6-2012 at 20:35
by: weiming1998 |
What practical experiments can I do with Calcium Oxide
CaO is a very useful and strong dehydrating agent. Good for organic reactions that you don't want to ... |
17-6-2012 at 02:08
by: weiming1998 |
Copper (I) sulfite?
It is not a pH indicator when mixed with Na2S2O8. It seems to detect the presence of oxalic acid wel ... |
15-6-2012 at 01:30
by: weiming1998 |
Copper (I) sulfite?
I have read this thread (http://www.sciencemadness.org/talk/viewthread.php?tid=20392), so I tried to ... |
14-6-2012 at 06:48
by: weiming1998 |
Separating calcium hypochlorite from CaCl2 and Ca(OH)2
I have found a way to get quite pure calcium hypochlorite.
First, add bleaching powder to water. ... |
14-6-2012 at 01:20
by: weiming1998 |
Water flouridation
[rquote=251061&tid=20320&author=Morgan]1.Villiaumite is a RARE halide mineral composed of so ... |
11-6-2012 at 01:12
by: weiming1998 |
Water flouridation
[rquote=251052&tid=20320&author=unionised]Morgan needs to learn some chemistry.
For example ... |
10-6-2012 at 04:51
by: weiming1998 |
Cellulose nitrosation - blue color!
To really see if nitrite esters are formed, first put your cellulose in concentrated NaOH solution. ... |
9-6-2012 at 16:11
by: weiming1998 |
Reduction of Copper(II) oxide with Monoammonium phosphate
[rquote=250986&tid=20364&author=Eddygp]First one you mentioned is most probable: I have samp ... |
9-6-2012 at 06:41
by: weiming1998 |
Reduction of Copper(II) oxide with Monoammonium phosphate
[rquote=250973&tid=20364&author=Eddygp]I didn't really expect this reaction to happen, but I ... |
9-6-2012 at 05:07
by: weiming1998 |
Water flouridation
In my opinion, it totally depends on the area. In areas where fluoride levels are low, I believe wat ... |
5-6-2012 at 06:42
by: weiming1998 |
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