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looking for cheapest routes to acid sythesis
Cheap I guess is a subjective thing. Acids are by their nature made with highly reactive chemistry a ... |
29-7-2017 at 17:29
by: Chemetix |
Powering a heating mantle with a computer PS
I would have thought using a dimmer would push it a bit, 380W at 115V should be drawing a current of ... |
28-7-2017 at 15:50
by: Chemetix |
Powering a heating mantle with a computer PS
The trouble is that the winding on the mantle will have a resistance matched to the mains supply.
... |
28-7-2017 at 15:35
by: Chemetix |
Leaking stopcocks
The abrasive honing solution works, just go for the finer stuff. I said #300 grit , but on reflectio ... |
25-7-2017 at 17:07
by: Chemetix |
Leaking stopcocks
Really, the only way to stop leaking stopcocks is use a rotary type valve.
If you can find some ... |
25-7-2017 at 03:09
by: Chemetix |
Repair tungsten wedding ring
You could try electropolishing. This works for tungsten, not sure your ring is carbide as WC is a so ... |
19-7-2017 at 14:33
by: Chemetix |
How can I boil off water from a calcium chloride solution
Has anyone tried heating under reduced pressure?
Just gave the crystals from the freezer a micro ... |
15-7-2017 at 17:06
by: Chemetix |
How can I boil off water from a calcium chloride solution
The patent gives quite a good overview of the problem; from a practical standpoint too. It was quite ... |
15-7-2017 at 14:59
by: Chemetix |
How can I boil off water from a calcium chloride solution
I had some on a hotplate drying as this post came up; as it turns out hitting it with a bit of micro ... |
14-7-2017 at 20:50
by: Chemetix |
Organic Polymer from Glycerol and Citric Acid Experiment
leave a solution of sugar and citric on the bench, then add some urea to another solution of citric- ... |
20-6-2017 at 14:36
by: Chemetix |
Organic Polymer from Glycerol and Citric Acid Experiment
Sugar as either the mono or di saccharide with citric and an amine makes a dark polymer goop, but a ... |
20-6-2017 at 04:03
by: Chemetix |
Welding Nichrome wire
Tig welding works fine for Nichrome and Kanthal, I've used nichrome as filler before but spot pulsin ... |
19-6-2017 at 04:44
by: Chemetix |
Quartz tubes (140mm x 13mm) from halogen lamp -also with tungsten element running through it - ketene lamp maybe?
An oxy propane brazing tip #12 would work. just use some heavy shade goggles to see what you're doin ... |
6-6-2017 at 17:43
by: Chemetix |
How to secure glass stopcock; ptfe stopcock discussion
Magpie is right, the surface is different. And the the taper is different for some manufactures than ... |
6-6-2017 at 17:40
by: Chemetix |
How to secure glass stopcock; ptfe stopcock discussion
As far as clips go...the only retaining devices that have any ability to be bought separately are th ... |
6-6-2017 at 16:21
by: Chemetix |
How to secure glass stopcock; ptfe stopcock discussion
Good luck with that....The taper on real glassware for taps is a 1 in 10 and the standard is exact. ... |
6-6-2017 at 15:28
by: Chemetix |
Quartz tubes (140mm x 13mm) from halogen lamp -also with tungsten element running through it - ketene lamp maybe?
These tubes can be made from a variety of glasses, some are aluminosilicate glass which is a high pe ... |
6-6-2017 at 15:19
by: Chemetix |
DIY microwave reactor with integrated stirrer
The turning mechanism is driven by a motor that is set to around 8RPM. The only way to speed it up i ... |
4-6-2017 at 15:10
by: Chemetix |
3D printing quartz glass
PM me with a design and a budget and I'll see what I can do for you... |
4-6-2017 at 14:12
by: Chemetix |
Hypothetically drinkable ethanol from methylated spirits
When I tried this myself once, I thought I had a really pure ethanol source for chemistry. My still ... |
3-6-2017 at 00:59
by: Chemetix |
3D printing quartz glass
I think I'll stick to quartz tube stock and a burner...getting into space with CNC laser, pulse fusi ... |
2-6-2017 at 17:49
by: Chemetix |
Supposed chemists assume a home still and sulfuric acid is a meth lab
A still of some sorts along with sulfuric acid???? I'm sure there's a carboxylic acid and an alcohol ... |
2-6-2017 at 15:22
by: Chemetix |
3D printing quartz glass
I don't think flasks or enclosed spaces would work with quartz, the fusion temperature would be enou ... |
2-6-2017 at 15:14
by: Chemetix |
Supposed chemists assume a home still and sulfuric acid is a meth lab
What is real Schadenfreude is that a chemist would make make meth from a couple of jam jars and a th ... |
1-6-2017 at 21:03
by: Chemetix |
Help with Target Molecule
It's a bit old now but I just want to say the HI addition has the problem of chewing off your 3-4, m ... |
30-5-2017 at 14:41
by: Chemetix |
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