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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
Sulfuric Acid in UK The UK government are scientifically illiterate autocrats who go in for idiotic over the top knee je ...	29-6-2019 at 11:28 by: nezza
The moment (or moments) that made you realize you had a passion for chemistry Walking into my first real chemistry class and the teacher asking us one simple question - "What are ...	30-5-2019 at 04:21 by: nezza
sharing Awesome Chemical Pictures (Read first comment) And of course Europium 3+ in alkali fluorescing under a UV laser.	17-4-2019 at 11:55 by: nezza
Singlet Oxygen Luminescence in a Home Lab It is doable. Here are a couple of pictures of singlet oxygen.	17-4-2019 at 11:54 by: nezza
sharing Awesome Chemical Pictures (Read first comment) Over the years I have accumulated a few pictures of unusual chemicals. Here are 4 I have taken over ...	17-4-2019 at 11:49 by: nezza
Gallic acid extraction I too have been looking for a source of gallic acid. For some reason it seems difficult to get hold ...	31-3-2019 at 08:22 by: nezza
Preperation of ethyl salicylate Water is the enemy. While boric acid will catalyse the reaction it will not increase the % product a ...	31-3-2019 at 08:17 by: nezza
BaCl2 to Ba(NO3)2 for pyrotechnic purpose? For pyrotechnics Barium chlorate gives a much more pronounced green colour, the colour being due to ...	26-2-2019 at 08:16 by: nezza
Where can I buy distilled water in the UK? Halfords or other Garages sell battery top up water. It is deionised rather than distilled, but near ...	26-2-2019 at 08:13 by: nezza
Relation between solubility and temperature Some reagents do follow a simple solubility curve if you plot solubility agaist temperature. There i ...	13-1-2019 at 07:06 by: nezza
Brexit effect - reagent dry up from/to the UK TBH they've already killed amateur chemistry in the UK with their silly and draconian restrictions o ...	13-1-2019 at 06:55 by: nezza
Kilogram Standard Yup. Part of a drive to get all KGS standards linked to universal physical constants as the various ...	19-11-2018 at 14:25 by: nezza
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