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how to pump nitric acid?
No idea if this is the flexibility or diameter that you need for your peristalic pump but might be w ...
19-6-2020 at 14:15
by: RedDwarf
Chinese rotavaps?
I'm assuming that rotavaps can accept a variety of flask sizes, so what does a 5 litre size refer to ...
16-6-2020 at 03:44
by: RedDwarf
Polypropylene funnel considerations
I generally assume if I can't remove a stain, then it's also unlikely to contaminate anything either ...
5-6-2020 at 02:39
by: RedDwarf
Apologies for the downtime
I couldn't believe how much I was missing being able to read the forum, was starting to go cold turk ...
28-5-2020 at 10:07
by: RedDwarf
Soda lime glass workability?
In my experience Soda Lime glass tubing is much easier to work than borosilicate, I'm pretty sure wh ...
22-5-2020 at 05:01
by: RedDwarf
Thoughts and observations relating to a cheap Vigreux column and condenser
I think it's a mistake to cool a vigreux (or packed) column for fractional distillation. You actuall ...
15-5-2020 at 10:01
by: RedDwarf
My parents dont let me buy platinum
I'm on the side of the OP, I rang my mum recently and asked if she's buy some platinum or gold for m ...
6-5-2020 at 15:33
by: RedDwarf
diffusion pump oil diy alternative?
Does it have to be an oil? How about Benzyl Alcohol, or one of the glycols? Thinking even wider alth ...
30-4-2020 at 09:41
by: RedDwarf
Vacuum pump for vacuum distillation.
I'm not aware that the azeotrope of Nitric acid and water changes substantially with pressure (but h ...
27-4-2020 at 05:41
by: RedDwarf
Analytical Chemistry - Instrumental methods
Thanks for the link Walter, the course covers the sort of stuff that I'm interested in but theirs no ...
27-4-2020 at 04:36
by: RedDwarf
UK Distilation legal advice?
As far as I'm aware distillation of any quantity without a licence is technically illegal, but so is ...
27-4-2020 at 03:57
by: RedDwarf
[Q]: How can I remove this stopper from the distiller ?
[rquote=634301&tid=155194&author=SWIM]I would remove it by rigorous application of the searc ...
25-4-2020 at 05:57
by: RedDwarf
Analytical Chemistry - Instrumental methods
Can anyone recommend a book (or article) that compares the different analytical techniques (HPLC, GC ...
25-4-2020 at 05:53
by: RedDwarf
Dissolution of Copper and Steel by Molten Aluminum
Is anyone able to get access to this paper from the National Academy of Forensic Engineers?

Journ ...
25-4-2020 at 05:49
by: RedDwarf
Factors that decide if a fume hood is good or bad?
I remember when I was at school (>40 years ago) and we had labs in separate buildings on differen ...
29-3-2020 at 05:44
by: RedDwarf
Wanted : Ideas to cool a 5L flask/mantle quickly
Alternatively/additionally you could have an addition funnel charged with chilled water attached to ...
24-3-2020 at 16:22
by: RedDwarf
Wanted : Ideas to cool a 5L flask/mantle quickly
I use a ptfe spray that has a dry finish on some woodworking tools (planer blades, router cutters) t ...
24-3-2020 at 09:42
by: RedDwarf
Pedometer-eating pig's poo starts farm fire
Yes I could understand a short causing a fire, it was the idea of a) there being copper in the batte ...
8-3-2020 at 10:15
by: RedDwarf
Pedometer-eating pig's poo starts farm fire

https://www.bbc.co.uk/news/uk-england-york-north-yorkshire-51790435

"Fire crews were called to ...
8-3-2020 at 06:13
by: RedDwarf
Ammonia from cyanuric acid??
What about Adblue - the Urea solution used to reduce diesel engine emissions - can you get that?
6-3-2020 at 15:37
by: RedDwarf
Ethylene / Propylene glycol as disinfectants ?
Other papers I saw were citing the use of vapourised glycols for disinfection (again against bacteri ...
5-3-2020 at 14:05
by: RedDwarf
Ethylene / Propylene glycol as disinfectants ?
Quick google search gave me the article below among others (or at least the abstract), so I think th ...
5-3-2020 at 10:15
by: RedDwarf
Graphite Crucible
Thanks for the replies, I usually use a porcelain crucible but wanted something a bit larger. I'll j ...
19-2-2020 at 06:22
by: RedDwarf
Graphite Crucible
I've just bought a new graphite crucible from China, and wanted to know if it will always leave trac ...
19-2-2020 at 05:21
by: RedDwarf
Corning PC-420 Transformer Replacement
Just test the continuity on the heating element, as Sulaiman says no point in replacing transformer ...
6-2-2020 at 01:38
by: RedDwarf
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