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

Search
[Next Page]
polarimeter
The light from a standard, modern LCD panel is polarized already.

To check glassware for stress, ...
27-3-2015 at 08:51
by: Natures Natrium
Old phenol has acquired a bluish hue
[rquote=394863&tid=61666&author=Dr.Bob]I would guess that the blue is from some byproduct of ...
27-2-2015 at 17:02
by: Natures Natrium
Old phenol has acquired a bluish hue
It does remind me of my childhood, although not roadwork. Rather it is a major component in Camphop ...
27-2-2015 at 06:18
by: Natures Natrium
Old phenol has acquired a bluish hue
Results of above tests:

1. Heating a small amount in a test tube caused the phenol to enter a hea ...
26-2-2015 at 17:47
by: Natures Natrium
Old phenol has acquired a bluish hue
I have a few theories, off the top of my head, shots in the dark:

1. This is the result of slow o ...
26-2-2015 at 16:15
by: Natures Natrium
Old phenol has acquired a bluish hue
Greetings,

About a year ago I made some phenol via the pyrolytic decarboxylation of salicylic aci ...
26-2-2015 at 06:56
by: Natures Natrium
Preparation of Phenol from Salicylic Acid
Hmm, interesting info. I was aware that quinoline was often used in decarboxylations, but I did not ...
4-12-2013 at 08:48
by: Natures Natrium
Preparation of Phenol from Salicylic Acid
Well, now I am regretting not documenting my experiments more closely. Inspired by the Pyridine dec ...
4-12-2013 at 07:38
by: Natures Natrium
Workbench surface
Right now I am using a plywood top, and after just a few spills I am about to discard it.

I am th ...
27-11-2013 at 09:37
by: Natures Natrium
Flask cracked
Interesting, kind of like Prince Rupert's drops.

http://www.youtube.com/watch?v=xe-f4gokRBs

Th ...
16-11-2013 at 15:48
by: Natures Natrium
Flask cracked
Regarding laboy glass, I have purchased some in the past. I checked it with a home made polariscope ...
16-11-2013 at 06:16
by: Natures Natrium
Preparation of Pyridine
Wow UC, that is a beautifully detailed and well illustrated write up. Great job and very interestin ...
24-10-2013 at 18:34
by: Natures Natrium
Conversion of potassium dichromate to ammonium dichromate
I've been messing around with oxides of chromium. I used the high temp NaOH/NaNO3 method of oxidati ...
22-10-2013 at 09:26
by: Natures Natrium
Preparation of ionic nitrites
Just wanted to jot down a few quick observations I have made.

10g of KNO3 (directly from stump r ...
18-2-2013 at 20:40
by: Natures Natrium
Storage of pressurized liquid SO2 in plastic containers
Well, crap. I recently tried to use my 6 or 7 year old bottle of SO2, only to find that the valve i ...
11-12-2012 at 20:09
by: Natures Natrium
Preparation of Nitric Acid
Just followed the write-up here, with the following changes:

Used flat bottom flask on a stirring ...
19-11-2012 at 19:10
by: Natures Natrium
Counter current exchange for reflux apparatus.
For whatever its worth, I have always ran my water counter-current in a condenser, regardless of app ...
16-11-2012 at 20:05
by: Natures Natrium
Reaction of alkyl nitrite/chloride and sodium hydroxide
Sorry for the triple post. Decided I would share this anyways.

Hotplate is semi-working, top hal ...
14-11-2012 at 11:13
by: Natures Natrium
Reaction of alkyl nitrite/chloride and sodium hydroxide
Update:

The switching heating element controller on my hotplate died.

The solution became hot, ...
13-11-2012 at 21:06
by: Natures Natrium
Reaction of alkyl nitrite/chloride and sodium hydroxide
I am currently trying to work up and separate the products resulting from a 4 hour reflux of isoprop ...
13-11-2012 at 17:38
by: Natures Natrium
Labboy review
I have a few pieces of laboy. Their glass seems to be of decent quality, and I checked all the piec ...
29-10-2012 at 14:03
by: Natures Natrium
Birkeland-Eyde reactor for making nitric acid.
I originally set up the electrodes inside an inverted glass tea jug (1 US gallon), to prove to mysel ...
25-9-2012 at 13:15
by: Natures Natrium
Birkeland-Eyde reactor for making nitric acid.
I am waiting until I have useable, practical results before posting a proper write up.

After the ...
25-9-2012 at 10:33
by: Natures Natrium
Birkeland-Eyde reactor for making nitric acid.
Just wanted to pop in here with a quick bit of info, as progress is slow. Recently spent some time ...
24-9-2012 at 20:07
by: Natures Natrium
A Small, Simple Steam Distillation Device
Hmm, I may have a go of it someday. Right now I am in full on planning mode for my humble lab space ...
5-8-2012 at 15:24
by: Natures Natrium
[Next Page]

  Go To Top