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Concentrating H2SO4 without distillation (with flask ans some PTFE )
Here in the UK there are 3 types of ptfe tape :
yellow for gas ( heavier weight, not sure if it's t ... |
27-7-2019 at 07:12
by: RedDwarf |
Concentrating H2SO4 without distillation (with flask ans some PTFE )
I can believe this might work - membrane separation due to greater permeability of the much smaller ... |
26-7-2019 at 08:53
by: RedDwarf |
cyanide usage for gold leaching
What's your rationale for going with a cyanide route rather than a non-cyanide route. How much do yo ... |
24-7-2019 at 13:44
by: RedDwarf |
Useful reference books in the lab
Mine's the fifth edition (and has managed to survive more than 35 years of lack of care) and while t ... |
24-7-2019 at 13:41
by: RedDwarf |
The most useful three things in my lab
@SWIM
Do you have different lab assistants for different poisons or are they (/was he) multi-tale ... |
24-7-2019 at 12:12
by: RedDwarf |
Making Benzene by Decarboxylation Video
Good video, liked the pace and clarity and I'm also a fan of the economics being included. Do you ha ... |
24-7-2019 at 09:57
by: RedDwarf |
Why is my zinc powder not powder???
What are you trying/planning to do with the zinc? For some uses you really don't want powder and tur ... |
24-7-2019 at 09:53
by: RedDwarf |
The most useful three things in my lab
I'd have to agree with Teodor as books are probably what inspire me most.
In terms of what I run o ... |
23-7-2019 at 14:19
by: RedDwarf |
Useful reference books in the lab
All time favorites would be Perry (Chemical Engineers' Handbook by Robert H. Perry (Author), Cecil H ... |
23-7-2019 at 14:13
by: RedDwarf |
Mystery Glassware Identification Thread
I can't believe the 3 volume flask was ever part of a practical process - can you imagine the diffic ... |
10-7-2019 at 08:30
by: RedDwarf |
How to make liquid spheres coalesce faster?
One or more of :
Heating
Electrostatic field
Centrifuge
Addition/removal of surfactant to reduce ... |
8-7-2019 at 11:27
by: RedDwarf |
What size filter paper for 10cm buchner?
As someone who who built up his chemistry kit randomly/opportunistically (sometimes even oblivious e ... |
29-6-2019 at 16:11
by: RedDwarf |
Cobalt sulfate toxicity for environment
From wikipedia:
"Cobalt(II) sulfate is used in storage batteries and electroplating baths, sympat ... |
27-6-2019 at 11:58
by: RedDwarf |
With TiO2 Nitrate directly from the Atmosphere
I can't work out if the surface area in the nitrate production figures given (mg/sq metre/hr) is par ... |
27-6-2019 at 08:35
by: RedDwarf |
Vacuum aspirator using DMSO
Ignoring all the hassle of using DMSO, just assuming you'd need a minimum of a couple of liters of d ... |
25-6-2019 at 14:32
by: RedDwarf |
Recycled plastic - what happens to plastic that was degraded by UV?
We have a tendency to think of a particular plastic (eg polyethylene) as a particular compound with ... |
9-6-2019 at 10:35
by: RedDwarf |
Prescription drug degradation over time
Prescription drugs have a use by date, presumably because there is a risk of auto reaction (despite ... |
30-5-2019 at 13:50
by: RedDwarf |
Equilibrium of chromate and dichromate
Do you know what the mechanism is that pushes the equilibrium to the right at higher temperatures? |
26-5-2019 at 11:33
by: RedDwarf |
H2O2 as O2 source for propane/acetylene torch?
Fine control of pressure and flow from a peroxide oxygen generator would be much harder than just us ... |
25-5-2019 at 17:17
by: RedDwarf |
Mystery Glassware Identification Thread
Second one looks like a dean stark trap, but i think the first one has a gas liquid separation (or m ... |
20-5-2019 at 10:28
by: RedDwarf |
Waterproofing heating mantle?
Multiple sodium silicate coats might work, but even after drying and heating it can become soluble a ... |
16-5-2019 at 07:39
by: RedDwarf |
Gas pressure/flow regulator
I suspect it would be difficult at that low flow rate to get a repeatable flow just using a standard ... |
15-5-2019 at 10:29
by: RedDwarf |
Screwed soap cleaning soln, how to proceed?
Don't you have a dishwasher? Either an electro-mechanical one or one of the older biological version ... |
11-5-2019 at 16:18
by: RedDwarf |
tannin source
Not quite the same experiment, but the same reaction - I dye oak black using a clear solution of iro ... |
11-5-2019 at 13:07
by: RedDwarf |
Latest chemical order?
[rquote=611598&tid=9890&author=Sulaiman]Although I've just got rid of my liquids prior to mi ... |
10-5-2019 at 14:31
by: RedDwarf |
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