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old nitromethane
Distilling nitromethane at atmospheric pressure can yield to decomposition. It can be hazardous if t ...
12-4-2006 at 10:18
by: jack-sparrow
Picric acid from Paracetamol
You can make phenol from ASA by hydrolysing the acetyl group in order to get the salicylic acid. The ...
12-4-2006 at 10:14
by: jack-sparrow
Picric acid from Paracetamol
Maybe a way to get to the phenol from paracetamol would be through :

1) hydrolysis of the acenati ...
12-4-2006 at 10:09
by: jack-sparrow
Chloroacetic acid...
Maybe, I know that this reagent (also know as isocyanuric chloride or trichloroisocyanuric acid) is ...
24-3-2006 at 07:06
by: jack-sparrow
Chloroacetic acid...
Chloroacetyl chloride can be made by reaction of acetyl chloride with 1 equivalent of N-chlorosuccin ...
24-3-2006 at 05:40
by: jack-sparrow
Waste management reference
Here is the link for Magpie online book for anybody who would be interested :

http://www.nap.edu/ ...
22-3-2006 at 14:01
by: jack-sparrow
Waste management reference
Thank you Magpie. The editor allows to surf through the pages of this book online but it does not gi ...
22-3-2006 at 13:59
by: jack-sparrow
SC Wack is right
SC Wack : You are right. I went on the Heinz website and they state that their distilled white vineg ...
22-3-2006 at 13:44
by: jack-sparrow
Vinegar to Glacial Acetic Acid Via Charcoal
I would not put my hand in the fire but the Monsanto process is THE cheapest way to make bulk acetic ...
22-3-2006 at 07:31
by: jack-sparrow
Waste management reference
Yes I googled, but there are a lot of books and a lot of them covers theoretical, regulatory, enviro ...
22-3-2006 at 07:00
by: jack-sparrow
Waste management reference
I am looking for a good reference in waste management in industrial laboratory. Any ideas ?

Thank ...
22-3-2006 at 06:09
by: jack-sparrow
Vinegar to Glacial Acetic Acid Via Charcoal
1) Couple months ago , I prepared about 2.3 kg of acetic acid containing about 1-2 percent water. Yo ...
22-3-2006 at 05:49
by: jack-sparrow
Purity of store bought distilled water
[quote][i]Originally posted by unionised[/i]
The isotopic purity of a deuterated solvent is no meas ...
21-3-2006 at 13:41
by: jack-sparrow
What is the most ignorant thing you have ever done while conducting an experiment?
Here are some other examples (not mines) taken for undergrad labs.

1) Putting glass wool in a sep ...
21-3-2006 at 09:23
by: jack-sparrow
aniline synthesis from phenol
Sorry about that ! May I recommend sneaking into Patai's chemistry of phenols ? You may find somethi ...
21-3-2006 at 09:02
by: jack-sparrow
Best way to make anilines
Forget the phenol route.

the best way is from nitrobenzene
C6H5-NO2 + H2 + Pt/C ==> C6H5-NH2
...
21-3-2006 at 07:33
by: jack-sparrow
Purity of store bought distilled water
V=RI

Volt=Ampere*Ohm

Ohm=Volt/Ampere

conductivity = 1/resistivity

Siemens = 1/ohm = am ...
20-3-2006 at 13:34
by: jack-sparrow
Measure unit definitions
mS means milli - Siemens. The Siemens (S) is the measure unit for electrical conductivity. Ohm is th ...
20-3-2006 at 10:32
by: jack-sparrow
What is the most ignorant thing you have ever done while conducting an experiment?
Here is my DO NOT DO list :

1) Pt/C in methanol (ignites violently)

2) Vacuuming an acetylene ...
20-3-2006 at 09:11
by: jack-sparrow
Pure enough !
I am working in a deuterated chemical factory. We make deuterated solvents for NMR. We store all our ...
20-3-2006 at 06:04
by: jack-sparrow
Purity of store bought distilled water
Maybe Absopure distilled water is a hoax. Did you try to acidify the residue? If it bubbles it is co ...
17-3-2006 at 08:21
by: jack-sparrow
Simple distillation question
You have to remove the old boiling stones and put fresh ones. Boiling stone create a bubbling action ...
17-3-2006 at 08:10
by: jack-sparrow
Simple application for calculating mol mass
Hi, Here is a small application written in Delphi for calculating molecular masses. Dont worry, no s ...
1-12-2005 at 13:48
by: jack-sparrow
industrial method
This one works as I used it several times.

THIS METHOD IS INTENDED FOR PROFESSIONAL CHEMISTS ONLY ...
30-11-2005 at 18:57
by: jack-sparrow

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