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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 |