Sciencemadness Discussion Board
Not logged in [Login - Register]
Go To Bottom

Search
[Next Page]
Preparation of cyanides
Unfortunately, CuCN (much easier to prepare than ionic cyanides) is not replacemet for K(Na)CN and i ...
15-2-2019 at 12:59
by: kmno4
German chemistry nomenclature
[quote]In fact I find the French and English naming weird. muriatic acid for example. Maybe this is ...
6-2-2019 at 15:03
by: kmno4
1,3-Diaminoacetone(1,3-diamino-2-propanone) problems
There are too many oxidation procedures to recommend any particular one, especially in case of menti ...
19-1-2019 at 18:19
by: kmno4
1,3-Diaminoacetone(1,3-diamino-2-propanone) problems
[quote]
So what route would you suggest I take?
[/quote]
Hard to say, it depends on time, money a ...
17-1-2019 at 15:00
by: kmno4
Benzyl Chloride Distillation Problems :(
[quote]Hello !!
So i made Benzyl chloride reacting benzyl alcohol and HCl (70 ml, 450ml respective ...
9-1-2019 at 02:58
by: kmno4
Preparation of Diethyl Sulfate
[quote]kmno4: I have use this method with yields of 0-8%.[/quote]
"This method" means nothing. You ...
6-1-2019 at 14:40
by: kmno4
Preparation of Diethyl Sulfate
The simplest method for making DES seems reaction of EtOH and H2SO4, without any additives. It must ...
5-1-2019 at 18:14
by: kmno4
standard electrode potential of acetate
[rquote=566243&tid=115327&author=r0749547]Does anyone know the standard electrode potential ...
24-12-2018 at 07:18
by: kmno4
Preparation of Al(HSO4)3
I have seen this paper already.
[quote]"Al2(SO4)3.3H2SO4.12H2O", which would rearrange as "Al(HSO4) ...
23-11-2018 at 02:24
by: kmno4
Preparation of Al(HSO4)3
[rquote=554153&tid=104697&author=EvlRenne]
How come Russian/Japanese/German/Iranian/Chinees ...
19-11-2018 at 07:12
by: kmno4
Preparation of Al(HSO4)3
Iran, Iran, Iran and Iran :D
What is the catalyst ?
Who knows.... Reaction of AlCl3 and H2SO4 shou ...
18-11-2018 at 14:19
by: kmno4
Preparation of Al(HSO4)3
[quote]
It was a lot of Al2(SO4)3 as white crystals, SO2 was in moderate amount. [/quote]
No wonde ...
16-11-2018 at 15:51
by: kmno4
anyone have experience forming grignards from chlorobenzene
[rquote=529358&tid=87827&author=draculic acid69]
would it be ideal to form the clorobenzene ...
15-8-2018 at 21:16
by: kmno4
anyone have experience forming grignards from chlorobenzene
Reaction of PhCl with Mg in THF goes rather smoothly, if initiated by iodine crystal. If reagents ar ...
13-8-2018 at 14:04
by: kmno4
knoevenagel condensation NaOH catalyst?
One remark -
Very often and erroneously, the nitro-Mannich reaction is called the Henry reaction, ...
5-8-2018 at 23:00
by: kmno4
Azeotropic dehydration of oxalic acid with toluene
..... azeotropic dehydration of oxalic acid, again and again.
And again I have to say that this di ...
8-6-2018 at 12:37
by: kmno4
Unexpected ruby red colour
OMG..... another useless topic about playing impure chemicals.
This is not chemistry, but pure amat ...
14-3-2018 at 13:43
by: kmno4
Nitroguanylurea
It looks like the article from [i]Gazzetta chimica Italiana[/i] gives wrong compound, used as the su ...
10-2-2018 at 09:45
by: kmno4
Color of Phenylacetone
[rquote=505289&tid=80128&author=Master of the Elements]
Is phenylacetone truly colorless?
...
30-1-2018 at 03:13
by: kmno4
Crystallisation of divalent metal sulfates in excess of sulfuric acid
[quote]
The value is given as 8,85 %.[/quote]
This value is taken from the reference:
[code]http: ...
28-12-2017 at 01:50
by: kmno4
Preparation of Diethyl Sulfate
[quote]Na2SO4 is added to the pot as a dehydrating agent.[/quote]
Of course, Na2SO4 cannot serve as ...
23-12-2017 at 13:40
by: kmno4
Crystallisation of divalent metal sulfates in excess of sulfuric acid
[rquote=501152&tid=79158&author=Vylletra Heart]I fear that the excess acid can protonate sul ...
21-12-2017 at 14:32
by: kmno4
Failed attempt at making NO2Cl
[quote]From literature I understood that ..... reaction is said to be smooth and complete[/quote]
I ...
20-12-2017 at 16:49
by: kmno4
Chemistry of Terephthalic acid
[rquote=500735&tid=63196&author=Boffis]Hi kmno4, to get the 90% yield do you mean you had to ...
20-12-2017 at 02:51
by: kmno4
Separating Gd, Ce, and Nd
[rquote=500606&tid=79020&author=elementcollector1](...)The proposed method was electrolytic ...
16-12-2017 at 14:22
by: kmno4
[Next Page]

  Go To Top