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Preparation of ionic nitrites
Having made 7 attempts at it, 5 in tin cans and 2 in a stainless steel saucepan, I can only conclude ... |
27-1-2023 at 21:52
by: Lionel Spanner |
EU Survey on Chemical Restrictions – Stop further chemical bans
[rquote=680810&tid=159267&author=unionised]
The UK still has to pay attention to the EU- th ... |
26-1-2023 at 08:39
by: Lionel Spanner |
Distilled some EtOH denatured with Bitrix, and the distillate smells funny
[rquote=680351&tid=159226&author=Bedlasky]In Europe denaturated EtOH usually contains around ... |
15-1-2023 at 10:50
by: Lionel Spanner |
Removing graphite from glass frit filter
Update: The filter wound up being caked in burnt-on sugars following its use, insufficient washing, ... |
14-1-2023 at 15:02
by: Lionel Spanner |
Preparation of ionic nitrites
[rquote=680345&tid=52&author=Antiswat]@Lionel Spanner
NaNO2 EtOH 4.4g/100mL, i bet acetone ... |
14-1-2023 at 14:56
by: Lionel Spanner |
Cheapest Hydroxylamine
I recently tried the first method in Brauer, and found it reliably reproducable. The only difference ... |
9-1-2023 at 10:04
by: Lionel Spanner |
Preparation of ionic nitrites
Update: azeotropic distillation with xylene worked up to a point, removing all but about 5% of the w ... |
3-1-2023 at 16:44
by: Lionel Spanner |
Readily Available Chemicals Website: Version 2
[url=https://hughcrane.co.uk/cleaning-chemical-range/toilet-washroom/block-buster-5-ltr.html]Hugh Cr ... |
20-12-2022 at 18:31
by: Lionel Spanner |
Why can't I make soft clay by mixing with oil rather than water?
Quaternium hectorites and bentonites are also commercially available pre-dispersed in suitable solve ... |
13-12-2022 at 14:23
by: Lionel Spanner |
DCM Acquisition
Laboratoriumdiscounter sells DCM to individuals at around €11 for 500 mL, which is by far the best ... |
10-12-2022 at 11:28
by: Lionel Spanner |
Thermodynamics Find Enthalpy and Entropy experimentally
The Gibbs energy is related to the equilibrium position at a given temperature.
ΔG = -RT ln K, wh ... |
28-11-2022 at 08:33
by: Lionel Spanner |
Preparation of ionic nitrites
[rquote=678768&tid=52&author=Myc]If you're boiling it down to concentrate it, stop at around ... |
22-11-2022 at 16:40
by: Lionel Spanner |
Preparation of STABLE colloidal gold
In my experience experience, 0.1% low-acyl gellan gum gelled with calcium ions does an excellent job ... |
21-11-2022 at 14:00
by: Lionel Spanner |
Preparation of ionic nitrites
Anyone else had grief trying to boil sodium nitrite solutions to dryness?
I've been able to concent ... |
21-11-2022 at 13:39
by: Lionel Spanner |
Removing graphite from glass frit filter
[rquote=678396&tid=159062&author=Sulaiman]Just thought I'd mention that the common acid:pero ... |
12-11-2022 at 16:28
by: Lionel Spanner |
Removing graphite from glass frit filter
Thank you all, your advice is much appreciated!
I have some 25% and 50% hydrogen peroxide and I'm ... |
11-11-2022 at 14:30
by: Lionel Spanner |
Removing graphite from glass frit filter
Hello all,
In the course of my experiments I recently vacuum-filtered a water-based mixture with ... |
10-11-2022 at 18:05
by: Lionel Spanner |
2-Ethylhexanol synthesis
You could in theory extract octocrylene, octyl salicylate or octyl methoxycinnamate from sunscreen o ... |
8-11-2022 at 07:06
by: Lionel Spanner |
Phosphorus pentachloride from phosphides
You could use cyanuric chloride instead, which is much less hazardous than either of those reagents. ... |
7-11-2022 at 15:31
by: Lionel Spanner |
Readily Available Chemicals Website: Version 2
There's a large variety of chemicals available at [url=https://www.perfumersworld.com/]PerfumersWorl ... |
1-11-2022 at 08:05
by: Lionel Spanner |
Methanesulfonic acid from sodium cocoyl isethionate
Plus there is the possibility of the sulphonic acid group forming some kind of complex with the chro ... |
21-10-2022 at 10:20
by: Lionel Spanner |
24/29 or 24/40
It really depends where you live. Outside North America, Australia and NZ, glassware with ISO standa ... |
20-10-2022 at 13:09
by: Lionel Spanner |
Making bionapalm?
Ethyl cellulose is a biologically derived oil-soluble polymer - at high enough concentrations it'll ... |
19-10-2022 at 08:17
by: Lionel Spanner |
Tour My Lab
Over the last 4-5 months I've been converting my rather large cellar into a home lab, and by last we ... |
19-10-2022 at 07:07
by: Lionel Spanner |
Readily Available Chemicals Website: Version 2
A quick heads-up to anyone buying sodium bisulphate (pH Minus) sold by the ClearWater brand - it is ... |
16-10-2022 at 15:35
by: Lionel Spanner |
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