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preparation of congo red
Wow, the first Congo red thread?
[rquote=450617&tid=66391&author=Magpie]The question I as ... |
5-6-2016 at 10:35
by: S.C. Wack |
Where to buy - Boiling Chips
[rquote=449498&tid=66299&author=johnny_questions]carbon boiling chips[/rquote]
...carboru ... |
21-5-2016 at 12:34
by: S.C. Wack |
Ethyl Acetate to Ethanol?
[rquote=449615&tid=66307&author=idrbur]Just add some HCl and water to it to it and gently he ... |
21-5-2016 at 12:18
by: S.C. Wack |
Sodium BiCarb not decomposing as it should at 500-600F
[rquote=447436&tid=66120&author=blogfast25]See this:[/rquote]
There are several articles ... |
30-4-2016 at 19:15
by: S.C. Wack |
Sodium BiCarb not decomposing as it should at 500-600F
Where does the 500F temperature come from, where the conversion just barely starts? That would not b ... |
30-4-2016 at 15:04
by: S.C. Wack |
Looking over the border: EU-Regulations
They'll probably be wanting to not totally outlaw everything, just make it so businesses have to spe ... |
25-4-2016 at 15:53
by: S.C. Wack |
Non-reactant material to cool moulten NaOH on
Cast iron is fine but...Nickel foil on ebay!!! Not too expensive...and a cookie sheet...or just the ... |
17-4-2016 at 10:42
by: S.C. Wack |
Sodium Ethyl Sulfate
Desseigne and Giral seem to have no problem with distilling off excess ethanol and some added water ... |
17-4-2016 at 10:28
by: S.C. Wack |
Sodium Ethyl Sulfate
What is this assessment based on? BTW barium chloride or recrystallization from alcohol would be a d ... |
16-4-2016 at 10:43
by: S.C. Wack |
Potassium Iodide
[rquote=445603&tid=65899&author=JJay]it's highly questionable whether it is even legal to se ... |
16-4-2016 at 10:29
by: S.C. Wack |
Sodium Ethyl Sulfate
Denatured alcohol is not always recommendable; at hardware stores here this is over 50% methanol.
... |
10-4-2016 at 21:24
by: S.C. Wack |
Glassware Organization
Glass does not work as boiling stones. Smash a flowerpot or porcelain tile.
[rquote=410894&ti ... |
10-4-2016 at 08:17
by: S.C. Wack |
The Short Questions Thread (4)
Heating isn't necessarily an issue. Blanchard gives directions that depend on heating (among other t ... |
10-4-2016 at 06:57
by: S.C. Wack |
Looking over the border: EU-Regulations
It's not about chemicals, it's about fear and control. This is a fear and control indicator.
This ... |
9-4-2016 at 06:38
by: S.C. Wack |
Looking over the border: EU-Regulations
[rquote=444790&tid=23212&author=BJ68][rquote=444787&tid=23212&author=arkoma]what is ... |
8-4-2016 at 15:33
by: S.C. Wack |
Question on pottery-grade Cr2O3.
Sulfuric acid will dissolve the oxide under certain conditions, such as when everything is mixed wit ... |
7-4-2016 at 18:13
by: S.C. Wack |
benzidine
"IARC MONOGRAPHS VOLUME 99" is on the internet and it mentions all the benzidines research. It shows ... |
26-3-2016 at 09:57
by: S.C. Wack |
Potassium Permanganate Held at Post Office
Was this like a decade ago and from the NW? If not, this is not uncommon.
A big regional hardware ... |
20-3-2016 at 13:33
by: S.C. Wack |
Nitroethane from ethylsulfate, Desseigne variation.
All things considered, is the sulfate removal step worth doing, over D&G's process?
BTW the m ... |
19-3-2016 at 13:41
by: S.C. Wack |
Sodium Ethyl Sulfate
Sounds like you need more solvent. Hot solvent.
BTW my earlier comments were unrelated to where s ... |
16-3-2016 at 14:54
by: S.C. Wack |
Thermometer choice
Never buy a total immersion thermometer unless you need one.
Check your thermometers for a line a ... |
16-3-2016 at 14:30
by: S.C. Wack |
Fridge pump for refrigeration
You'd need a restriction/meter between the hot high pressure and cold low pressure sides. The temper ... |
13-3-2016 at 12:30
by: S.C. Wack |
Grignard Fail.
[rquote=441480&tid=65562&author=SmellNoEvil]I think calcium chloride will be a suitable alte ... |
11-3-2016 at 18:17
by: S.C. Wack |
Grignard Fail.
[rquote=441363&tid=65562&author=chemrox]MeI is toxic as hell. Try it with MeBr which is avai ... |
11-3-2016 at 04:10
by: S.C. Wack |
Ethyl acetate synthesis from ethanol and dilute acetic acid
[rquote=441212&tid=65535&author=Sniffity]50 percent of the theoretical yield is way too low ... |
9-3-2016 at 05:26
by: S.C. Wack |
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