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2 chemistry problems
These are simple chemistry problems, but I can't find any explanation web, so someone please help me ...
26-12-2011 at 23:44
by: LHcheM
Two rare reagents for sale
Well I would like to have both, but unfortunately I live in Hong Kong...:(
22-12-2011 at 02:15
by: LHcheM
Molybdenum hydrate?
Ok here's my update on the Molybdenum experiments I did... (sorry I was abit busy these days cause I ...
22-12-2011 at 02:12
by: LHcheM
Molybdenum hydrate?
I'll try with stronger acids this weekend as well, I found that addition of conc sulphuric acid does ...
16-12-2011 at 18:29
by: LHcheM
Molybdenum hydrate?
You mean the white molybdenum trioxide dissolve in NaOH, but no yellow color is produced when re-aci ...
15-12-2011 at 23:41
by: LHcheM
Molybdenum hydrate?
I think it is Molybdenum hydrate, maybe dihydrate or monohydrate

"The dihydrate loses water readi ...
14-12-2011 at 04:49
by: LHcheM
Obtaining Anthanilic acid from Methyl Red
yes, from Organic Chemistry by Solomons and Graham...
it said that Zn or SnCl2 can perform the redu ...
14-12-2011 at 04:43
by: LHcheM
Obtaining Anthanilic acid from Methyl Red
I have a great amount of methyl red which I find useless for indicator purposes only, so recently I ...
6-12-2011 at 04:24
by: LHcheM
Obtaining anthranilic acid from methyl red
I have a great amount of methyl red which I find useless for indicator purposes only, so recently I ...
5-12-2011 at 03:06
by: LHcheM
Pyridine thermochromism research
Morpholine would work, having similar iluminscence as pyridine does
Also in benzene solution, the l ...
5-12-2011 at 02:57
by: LHcheM
Nickel powder from Nickel Sulphate?
Oh I never thought of that! Nickel Boride! Thanks!!!

A useful reagent for Organic reactions :)
4-12-2011 at 05:18
by: LHcheM
Nickel powder from Nickel Sulphate?
I just accidentally poured some KBH4/NaOH solution into a solution of Nickle (II) sulphate, then the ...
3-12-2011 at 21:54
by: LHcheM
What will be the reaction of phenol added to mixture of aqueous NaNO2 and Conc HCl
I think it's unlikely that an azo dye will form..,

From the structure of Saxitoxin, you can see t ...
2-12-2011 at 20:33
by: LHcheM
Bis(pyridine) copper iodide??
Sorry kmno4, I can't read the journal as it directed me towards the "buy" page which I have to pay f ...
26-11-2011 at 17:57
by: LHcheM
Bis(pyridine) copper iodide??
My pyridine was GR, and copper iodide was made from copper sulphate, sodium sulfite, KI, sulphuric a ...
26-11-2011 at 17:50
by: LHcheM
Bis(pyridine) copper iodide??
I saw from nurdrage that bis(pyridine) copper iodide is somehow "synthesized" by evaporating a solut ...
25-11-2011 at 23:28
by: LHcheM
Problem in making tungsten compounds
Well a long time since I logged on to this forum! I did put a wire into an acidified solution of hyd ...
15-11-2011 at 00:42
by: LHcheM
Which is your year of birth?
wow I'm young I'm just 16 years old! ^^
11-11-2011 at 23:38
by: LHcheM
Oxygen generating reactions
How about barium ferrate in acid solution? Or chromium peroxide (CrO5)??
10-11-2011 at 18:27
by: LHcheM
Problem in making tungsten compounds
I have 11g of 99% tungsten wire, which is obtained from an old electronic store. For a long time I h ...
10-11-2011 at 01:22
by: LHcheM
Sodium sulfide production
Why don't you just generate the H2S from the mineral and acids and bubble it through a solution of N ...
8-11-2011 at 02:22
by: LHcheM
Calcium bicarbonate
well, I think you need to do that in three steps...
Suppose the most troublesome impurities (Mg, Sr ...
8-11-2011 at 02:21
by: LHcheM
Which elements do you have in its pure state ?
Hydrogen, Helium, Lithium, Carbon, Nitrogen, Oxygen, Neon, Magnesium, Aluminium, Phosphorus (btw, wh ...
8-11-2011 at 01:59
by: LHcheM
Strange result with reduction with KBH4?
I have alot of phosphorus at hand, but it's red phosphorus, would it work? or should I just dump it ...
8-11-2011 at 01:00
by: LHcheM
Strange result with reduction with KBH4?
Well have just tried with H2O2, it produced a blue-black solution (I used very dilute AuCl3 this tim ...
7-11-2011 at 05:52
by: LHcheM
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