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Inflated prices
Sigma is owned by merck so a near monopoly, hence expensive. |
16-1-2025 at 09:14
by: Sulaiman |
How do you store chemicals in inert gas?
I think that you should consider ampouling (in inert gas) multiple small samples.
I have not yet fo ... |
14-1-2025 at 17:58
by: Sulaiman |
result of inaction....
while deciding what to do with my pot I left it by a sink,
where it was exposed to rainwater and in ... |
10-1-2025 at 17:12
by: Sulaiman |
Electrochemical recovery lead from battery
very interesting
especially as I was just thinking about my own vrla processing waste
less than an ... |
6-1-2025 at 07:50
by: Sulaiman |
Homebrew adjustable switched PSU
that type of voltage and current meter module has an inconvenient feature:
(I have two of them)
th ... |
6-1-2025 at 04:02
by: Sulaiman |
DIY zeolite
for quick determination of ethanol:water ratio you could use a refractometer,
but the correlation i ... |
4-1-2025 at 08:40
by: Sulaiman |
DIY zeolite
[rquote=698069&tid=160794&author=Rainwater]...i can use a
simple hydrometer and some Ethano ... |
3-1-2025 at 01:37
by: Sulaiman |
Everyday Chemistry
(stainless steel pot) + (oxygen) + (heat) =
[file]104175[/file]
It does not matter because ... |
31-12-2024 at 22:29
by: Sulaiman |
glad that you are ok
it is scary how quickly things can go bad.
thanks for posting a good reminder.
PS I started usin ... |
31-12-2024 at 03:39
by: Sulaiman |
not quite as hoped
I decided to recover lead from two vrla batteries.
I tried a few rotary power tools but they snatch ... |
31-12-2024 at 02:05
by: Sulaiman |
Nice. messy, but nice, and it works.
I understand the desire to make discrete circuits from scratch.
ICs would make the job much simpler ... |
31-12-2024 at 00:46
by: Sulaiman |
Best resource to get silver/valuable metals in the US
silver:
I would start with a 99.99% canadian silver maple coin.
I used a 99.9% us eagle to make s ... |
30-12-2024 at 02:49
by: Sulaiman |
metalware for water distillation ?
I like all glass stills,
I even use glass balls as column packing; durable, inert, easy to clean a ... |
29-12-2024 at 17:16
by: Sulaiman |
metalware for water distillation ?
understood, but I already have an aluminium boiling pot with fittings and copper tubing.
using lpg ... |
29-12-2024 at 10:16
by: Sulaiman |
metalware for water distillation ?
I have the equipment and I have used it before to make distilled water,
the distilled water that I ... |
28-12-2024 at 09:16
by: Sulaiman |
my temporary lab space
I expect to move to our new home in a month or two,
meanwhile here are some photos of the outside ' ... |
28-12-2024 at 02:35
by: Sulaiman |
metalware for water distillation ?
I want to prepare a stock of distilled water, maybe 20 litres,
I could use an rbf with heating mant ... |
28-12-2024 at 02:11
by: Sulaiman |
I am just beginning
I guess that the oxidation experiments are small scale so almost any bench variable dc power supply ... |
27-12-2024 at 08:02
by: Sulaiman |
(carefully calibrated pycnometer) vs (gravity + concrete floor)
it is not the cost (<$2) but the time and patience calibrating it
[file]104028[/file]
[Edite ... |
23-12-2024 at 07:45
by: Sulaiman |
Some thoughts
1) I would start by finding the earth leakage problem,
hopefully it is just related to the basket w ... |
22-12-2024 at 23:08
by: Sulaiman |
Magnesium carbonate as respirator filter material?
My wife is online shopping for "magnesium carbonate, antidote" |
21-12-2024 at 05:50
by: Sulaiman |
Thanks
I should have looked/thought/researched more - I will
Of those mentioned I fancy trying chlorate pr ... |
19-12-2024 at 08:44
by: Sulaiman |
Suggestions for using up sodium hypochlorite solution
I planned to revisit the haloform reaction
bleach + acetone = chloroform + sodium hydroxide + sodi ... |
19-12-2024 at 07:37
by: Sulaiman |
silver-copper-manganese-germanium alloy
Have you considered that a portion of your alloy would contain the same ratio as the original ratio ... |
18-12-2024 at 12:32
by: Sulaiman |
silver-copper-manganese-germanium alloy
First, to not answer your question:
IF you are considering a slightly different composition for you ... |
18-12-2024 at 00:40
by: Sulaiman |
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