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The Short Questions Thread (4)
usually cellulose i.e. cotton from agricultural sources.
21-1-2016 at 16:44
by: chemrox
Copper(II) sulfate crystallisation in presence of ethanol
I thought the Cu II sulfate pentahydrate was monoclinic but could be triclinic
14-1-2016 at 17:37
by: chemrox
kuglerohr
I'm looking for used kuglerohr.. complete if possible. I have lots of rotovap glassware for trade.
14-1-2016 at 17:26
by: chemrox
L-tryptophan decarboxylation
[rquote=426948&tid=8574&author=Quatro]I don't have a Rotovap but that would be a neat piece ...
14-1-2016 at 17:24
by: chemrox
Question about tartaric acid and it's use for resolution of racemic amines
Did anyone else get lost here? I thought D- and d- were the same and related to R & S at least m ...
14-1-2016 at 17:21
by: chemrox
Chem C3000 starter opinions?
I started with a Gilbert Master chemistry set that had all manner of non-PC chemicals. I had a lot o ...
14-1-2016 at 17:13
by: chemrox
Chem C3000 starter opinions?
You might have posted a link. What is Chem C3000? Generally speaking kits are not great deals. They ...
12-1-2016 at 16:36
by: chemrox
Benzaldehyde Assay Procedure
Become an analytical lab. Spend $250K on gear and hire an analytical chemist to teach you how to use ...
12-1-2016 at 16:23
by: chemrox
Vacuum Distillation & other vacuum uses
Hey Bromic! Keep writing! Creative endeavors go beyond organic synthesis. Congratulations on your co ...
12-1-2016 at 16:08
by: chemrox
Vacuum Distillation & other vacuum uses
For water evaporation use an aspirator or an aspirator pump. The use of a trap is recommended althou ...
12-1-2016 at 16:06
by: chemrox
Using a small deep fryer as an oil bath
I have a deep fat fryer I use with N-dibutyl pthalate as the oil. This system gets me to ~ 300*C wit ...
12-1-2016 at 15:57
by: chemrox
so basic it's almost lame
I want someone to point me in the right direction. I have a friend who has Parkinsonism symptoms but ...
12-1-2016 at 15:15
by: chemrox
Anyone collect vintage/antique lab glass? Want some?
I need a retort.. have you got one?
8-1-2016 at 16:31
by: chemrox
Using an Electric Drill as an Overhead Stirrer
I use glass shafts with PTFE shaft holders and flexible shaft through glass adapter. Both work depen ...
1-1-2016 at 14:38
by: chemrox
olfactory fatigue
Years ago I talked with industrial chemists making bromoalkanes. They didn't smell it anymore and we ...
1-1-2016 at 14:28
by: chemrox
Flask joint roughness.
What grease did you use? H2SO4 is sometimes used to remove grease. Silicone grease can be partially ...
1-1-2016 at 14:19
by: chemrox
Using an Electric Drill as an Overhead Stirrer
Oh you compulsive diy types..doesn't the synthesis offer enough challenge? I've got a spare conical ...
28-12-2015 at 00:18
by: chemrox
Bornyl chloride as alkylating agent?
I doidn't see this as a potential Grignard. I thought the bulk of the molecule would limit the forma ...
16-12-2015 at 23:33
by: chemrox
Researchers zero in on a cause of aging
ahem _Steve; I think you're wrong about that. Evolution is one of the "design parameters." The most ...
16-12-2015 at 03:52
by: chemrox
Can anyone help me to separate suspended solids from a juice?
@philo.. Chemistry is the interesting part of physics.
15-12-2015 at 20:24
by: chemrox
When Chemistry Goes Wrong
Rubber belongs on when chem goes wrong
15-12-2015 at 18:20
by: chemrox
Dayang, Great Company, & Great Pricing.
I've done a little business with them and they were very fast. They're not the cheapest chicom co. A ...
15-12-2015 at 18:16
by: chemrox
youtube
Estonia supplies hard to get chemicals too. Unfortunately they don't show up on alibaba or lookchem ...
15-12-2015 at 18:15
by: chemrox
Christmas Oranges
Gravity
14-12-2015 at 23:15
by: chemrox
Stainless steel oil bath + hot plate?
Stainless bowls have not interfered with the stirrers in my hot plates. I have done this when the fl ...
14-12-2015 at 23:10
by: chemrox
[Next Page]
Sciencemadness Discussion Board
» Search
Select A Forum
Fundamentals
» Chemistry in General
» Organic Chemistry
» Beginnings
» Responsible Practices
» Miscellaneous
Engineering and Equipment
» Reagents and Apparatus Acquisition
» Electronics
» Process Engineering
» Materials and Metallurgy
Special Topics
» Analytical Chemistry
» Electrochemistry
» Energetic Materials
» Biochemistry
» Radiochemistry
» Computational Models and Techniques
Literature and Documentation
» Sciencemadness Wiki
» Prepublication
Non-science
» Forum Matters
» Legal and Societal Issues