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Do you know chemicals by their smell?
I too have a selection of esters which all smell pleasant and are pretty non toxic.
I have worked w ...
15-11-2020 at 11:59
by: nezza
Collection of bromine preps
Due to the UK's currently insane rules on sulphuric and nitric acid I tend to use excess phosphoric ...
20-9-2020 at 02:31
by: nezza
How useful is phosphoric acid?
At least phosphoric acid is available in the UK. With a bit of ingenuity and distillation apparatus ...
15-8-2020 at 07:14
by: nezza
Making sodium isopropoxide - Sodium is not dissolving
Try potassium. That works.

2-7-2020 at 07:09
by: nezza
Very low solubility of erbium oxide in mineral acids
Cerium oxide (CeO2) is different to the others mentioned here in that it has cerium in oxidation sta ...
11-5-2020 at 07:31
by: nezza
Inorganic compounds with most intense colour in water solution
Fluorescein is often used as a tracer in water. It is intensely coloured and fluorescent at very low ...
5-5-2020 at 13:20
by: nezza
Old bath oil is... fluorescent!
G-Coupled. I suspect the oils become fluorescent as a reult of partial oxidation.
4-5-2020 at 07:41
by: nezza
Experiments with Cesium chloride?
If you have any chlorate or perchlorate Caesium chlorate and perchlorate are pretty insoluble and ea ...
4-5-2020 at 07:38
by: nezza
Old bath oil is... fluorescent!
Most greases and oils are fluorescent. It's interesting to scan your oven and the area around it wit ...
29-4-2020 at 11:02
by: nezza
Could i use potassium ferricyanide instead of ferrocyanide?
Isn't there a method for making mixed cyanides by heating ferrocyanide with sodium metal ?.
31-3-2020 at 10:17
by: nezza
Potassium has a bluish tinge to me. The alkali metals have subtly different colours to my eyes.
Lit ...
19-3-2020 at 10:57
by: nezza
Easy to obtain standards for titrations and other analytical methods
You can buy volumetric standard acid (HCl) and base (NaOH) as 0.1M solutions on ebay.
29-2-2020 at 11:40
by: nezza
anomalies in chemistry
The classic ones are Ammonia, Water and Hydrogen fluoride. All have much higher boiling points than ...
8-2-2020 at 06:35
by: nezza
seperation of cobalt and copper
One way that might work is to convert both to nitrates and heat the solid carefully. Copper nitrate ...
4-2-2020 at 07:28
by: nezza
Looking for data on solubility of Erbium sulphate and Erbium iodide in water
Most lanthanide sulphates are sparingly soluble in water and many have retrograde solubility curves, ...
3-2-2020 at 01:52
by: nezza
How strict are you about using distilled water vs nondistilled/faucet water in your reactions?
Living in a hard water area I use deionised water for all chemical reactions/solutions.
21-11-2019 at 12:55
by: nezza
DIY black light
Fluoresceins excitation wavelength is in the visible at about 480nm (Cyan) so you should get away wi ...
9-11-2019 at 00:30
by: nezza
Molishch's test: experiment suggestions
1 naphthol does undergo azo coupling with many phenols, usually giving red dyes. A particular one if ...
24-8-2019 at 13:25
by: nezza
Hello everyone! (Also Nitrogen Triiodide)
I can attest to the sensitivity of Nitrogen Tri-iodide. I made a small batch at home when I was an " ...
13-8-2019 at 11:46
by: nezza
How to make a 1 Mole Sodium Hydroxide (NaOH) solution.
The best way if you have the equipment/expertise is to make a concentrated solution of NaOH. This is ...
13-8-2019 at 11:40
by: nezza
Collecting aquatic critters
Methylcellulose or VERY dilute Nickel salt solutions narcotise protozoa.
14-7-2019 at 13:50
by: nezza
Remove Na impurities in K salts?
KOH is much more soluble in alcohol than NaOH so dissolving it in alcohol and decanting off from any ...
14-7-2019 at 13:48
by: nezza
BaCrO4 and 3 different acids
Adding peroxide to acidic solutions/suspensions of chromate gives peroxychromic acid (CrO5). This is ...
8-7-2019 at 13:17
by: nezza
Preparation of Mn3+ and Co3+
In acid solution Co(III) and Mn(III) are difficult to prepare. In alkaline solution Co(III) and Mn(I ...
8-7-2019 at 10:59
by: nezza
BaCrO4 and 3 different acids
I suspect the green/blue colours you are getting are due to reduction of the chromate ion by the aci ...
8-7-2019 at 10:55
by: nezza
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