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Where can I buy an equipment for securing water lines on 1/4-barb of reflux condensers?
I bought a set of the double wire ones a bit like this:

https://www.ebay.co.uk/itm/Spring-Clamps- ...
20-10-2020 at 04:46
by: RedDwarf
How to seal a threaded stainless steel retort ?
Sodium Silicate?
14-10-2020 at 12:59
by: RedDwarf
How is yeast dried so its viable when re-hydrated
Foodgrade agar agar is as good as the high priced bacteriological stuff:

Food-grade agar can be u ...
17-8-2020 at 02:54
by: RedDwarf
Parcel fake tracking data
I usually ignore any tracking numbers from chinese suppliers as they appear to be fabricated, with l ...
17-8-2020 at 02:52
by: RedDwarf
Possibility of buying the following substances?
You can buy peat blocks as a fuel (I'm not in favour of using peat as it generally destroys wetlands ...
9-8-2020 at 05:08
by: RedDwarf
Homemade and Repurposed Lab Gear
Calling it an electric bunsen burner is a bit of a misnomer, it an electical alternative to a bunsen ...
14-7-2020 at 01:39
by: RedDwarf
Ground glass joints - US to EU ISO adaptors?
[rquote=634200&tid=7522&author=Dr.Bob]
BTW, if anyone wants any premade joints, I have lots ...
12-7-2020 at 14:06
by: RedDwarf
Why does Radium form a nitride and not oxide?
I don't think it to do with the radioactivity as all the alkaline earth metals from magnesium onward ...
11-7-2020 at 10:22
by: RedDwarf
Blowing 100k on science equipment
I think you need to start from a different perspective, in terms of what you're trying to achieve (l ...
11-7-2020 at 09:50
by: RedDwarf
KCN synthesis. Care to share your thoughts?
I wouldn't do it as I'm a wuss, but if I was going to I'd make the following changes:

1) You've g ...
11-7-2020 at 09:36
by: RedDwarf
Societal collapse: What do you think would be most needed?
[rquote=640282&tid=155761&author=mackolol]
For coronavirus, I think chloroquine could make ...
10-7-2020 at 05:41
by: RedDwarf
Books that reference other (older) books
http://library.sciencemadness.org/library/index.html

You don't need to be logged in to access it.
29-6-2020 at 09:36
by: RedDwarf
laboratory inventory auction
I like the "patio heaters" (item 72), obviously only of any use if you have a very small patio (say ...
26-6-2020 at 00:21
by: RedDwarf
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
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