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How to remove these incrustations? Cleaning a GPU heatsink
+1 tsjerk
There is no good way to clean aluminum other than a surfactant and scrubbing with a tooth ... |
16-12-2021 at 06:59
by: macckone |
The Short Questions Thread (4)
pretty much any easily oxidized compound will work with dilute solutions of chromium (vi) compounds. ... |
16-12-2021 at 06:49
by: macckone |
Synthesis of dichloromethane- question mark.
Mixe,
The boiling points of chloroform and dichloromethane are sufficiently different that it isn ... |
16-12-2021 at 06:40
by: macckone |
A high-temperature mini-furnace for temperatures above 2000 C.
Magnesia is easily synthesized.
Start with sorel cement, heat until all the HCl is given off.
To m ... |
12-12-2021 at 14:02
by: macckone |
Locking old threads so people don't reincarnate them.
In this forum, it is appropriate to add to an existing thread.
I just responded to a post that had ... |
12-12-2021 at 13:51
by: macckone |
Synthesis of dichloromethane- question mark.
There is another thread on making DCM from chloroform.
The overall yield from chloroform is good bu ... |
12-12-2021 at 13:33
by: macckone |
Vintage weighing scale
My guess is it is probably a milligram scale.
The current accuracy is a function of maintenance.
I ... |
10-12-2021 at 23:15
by: macckone |
Questions about piranha solution.
There are a bunch of reactions going on, one is dehydration of organics with OH groups,
Another is ... |
9-12-2021 at 20:10
by: macckone |
Separating Aluminum Alloy and Getting Calcium Metal Simultaneously
If your goal is Ca, may I suggest buying the CaCl2 and electrolyzing it in propylene carbonate.
It ... |
9-12-2021 at 16:25
by: macckone |
The crudest anti bumping + increase heating efficiency
It is probably slowing the heating just enough to get good convection and if it is up the sides it i ... |
9-12-2021 at 11:40
by: macckone |
Separating Aluminum Alloy and Getting Calcium Metal Simultaneously
MgCl2.6H2O does decompose but it is not as bad as one would expect.
If too much decomposes you get ... |
9-12-2021 at 11:32
by: macckone |
A high-temperature mini-furnace for temperatures above 2000 C.
They use an inert environment to protect the crucible.
The melt is a very stable oxide.
Graphite c ... |
9-12-2021 at 11:03
by: macckone |
Receiving items from overseas
A US perspective.
All natural plant matter is supposed to be inspected for pests and blight.
Chemi ... |
9-12-2021 at 10:55
by: macckone |
Attaching 24/40 glassware joints to non-jointed flasks
Given that it is tapered and the neck is not, as long as the big end is bigger and the small end is ... |
9-12-2021 at 10:46
by: macckone |
Claimed quantum computer breakthough
For reference purposes you need at minimum the number of qubits in a number to factor it.
They ar ... |
6-12-2021 at 11:00
by: macckone |
A high-temperature mini-furnace for temperatures above 2000 C.
You have to use a reverb type set up.
The aluminum oxide is heated from the top, not the bottom.
H ... |
6-12-2021 at 09:57
by: macckone |
Attaching 24/40 glassware joints to non-jointed flasks
Superoxide,
You can buy corks pretty big and you can get cork blocks.
See the comments on coveri ... |
6-12-2021 at 09:48
by: macckone |
Plastic container for mixed acid
various PE formulations will vary.
PP will behave basically the same with some variability.
PVC ... |
4-12-2021 at 22:58
by: macckone |
Which formula do you use to correct boiling point depending on the atmospheric pressure
I live at high altitude and have moved several times.
At 5000ft (1500M) even azeotrope ratios chang ... |
4-12-2021 at 22:22
by: macckone |
Ni-chrome wires from a toaster
If you are going to buy wire go with kanthal a1.
It is only marginally more expensive and it has hi ... |
4-12-2021 at 22:13
by: macckone |
Stainless steel solvent still?
alchemizt,
silicone is resistant to some solvents.
Alcohols (specifically lower alcohols) won' ... |
4-12-2021 at 22:07
by: macckone |
Making use of 12v psu for electrolysis
Add one or two of these after your power supply:
https://www.amazon.com/DROK-Converter-5-3V-32V-R ... |
4-12-2021 at 21:52
by: macckone |
A high-temperature mini-furnace for temperatures above 2000 C.
+1 Fulmen
a kitchen oven is 250C.
a propane forge is about 1000C and an electric furnace capable ... |
4-12-2021 at 09:01
by: macckone |
Sulfuric acid from distillation issues
manyinterests
You are probably getting partial oxidation and cleavage in the first part yielding ... |
4-12-2021 at 01:03
by: macckone |
Attaching 24/40 glassware joints to non-jointed flasks
That is a good deal on the flask. |
4-12-2021 at 00:52
by: macckone |
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