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Cleaning the cooling jacket of a condenser
Reddish brown stains are iron, so a hydrochloric acid soak generally does the trick. |
15-2-2024 at 23:27
by: Chemetix |
Glassware repair tip ?
I've done a few vids on glassblowing for the absolute beginner, and aimed at those who need to repai ... |
13-9-2023 at 15:02
by: Chemetix |
What is the point of this "Double Pelican Distillation Kit"?
Ahhh, that my friends is the technological wonderment of Alchemy and it's new learnings. It is said ... |
30-1-2023 at 13:05
by: Chemetix |
New high vac line
Very nice, I'm about to put together a high vac system myself. I was going to make something similar ... |
28-1-2023 at 17:42
by: Chemetix |
my rogue 40/35 ground glass joint
I'd reckon your best bet will be get some #60 silicon carbide grit or similar, coarse but not too co ... |
21-1-2023 at 00:00
by: Chemetix |
Tungsten rod not pure ?
The wording 'Tungsten steel round bar rods' is a giveaway....Tungsten steel as in a steel alloy cont ... |
24-12-2022 at 12:11
by: Chemetix |
Are all Schott Duran reagent bottles made out of borosilicate glass?
The history and evolution of the borosilicate glass industry is complex and still evolving. The one ... |
7-8-2022 at 23:54
by: Chemetix |
How to tell borosilicate from non-borosilicate glass
All the glassware you have is borosilicate. There is practically no one making soda glass beaker lik ... |
9-4-2022 at 02:27
by: Chemetix |
Optical furnace for growing crystals
"You've drawn parallel rays coming off your element, and while a few will be parallel, by far most w ... |
29-1-2022 at 21:38
by: Chemetix |
Optical furnace for growing crystals
I floated this idea a while ago. ( can't remember when and can't find it on here anymore) But the id ... |
29-1-2022 at 15:09
by: Chemetix |
Glassware question
That white ring of micro bubbles is where the glass was cut and ground with a diamond saw (most like ... |
28-1-2022 at 17:13
by: Chemetix |
Calcium Sulphate Destroys Glassware
What you are experiencing is ion exchange in the glass. Strong concentrated solutions that have diff ... |
28-9-2021 at 15:10
by: Chemetix |
Knowing when to anneal glass: Checking for stress and avoiding cracking
[rquote=665129&tid=157910&author=macckone]Annealing is critical.
And a propane only torch w ... |
10-9-2021 at 16:21
by: Chemetix |
Glass blowing - expertise needed
Making crack pipes with 10mm 2mm wall tubing on a benzomatic MAPP torch is the way they all do it. I ... |
9-9-2021 at 14:39
by: Chemetix |
Preparation of Ultramarine (Video)
Ultramarines are probably the most difficult pigments to make and reproduce, Kudos for even attempti ... |
6-9-2021 at 01:00
by: Chemetix |
Testing Quartz Wool vs Borosilicate Wool
[/rquote]
That is largely bollocks.
[/rquote]
I stand by those claims. I maybe should have s ... |
27-5-2021 at 17:36
by: Chemetix |
Testing Quartz Wool vs Borosilicate Wool
[rquote=660804&tid=157523&author=unionised]Wrap some round a piece of thin copper wire and p ... |
26-5-2021 at 16:13
by: Chemetix |
Ostwald style nitric production
[rquote=659764&tid=71282&author=symboom]Materials
Would an aluminum tube work due to nitri ... |
11-5-2021 at 19:15
by: Chemetix |
So jealous
Australia has some pretty circumspect laws when it comes to energetics, making a few bangs in a padd ... |
7-4-2021 at 00:50
by: Chemetix |
Is there a way to make soda lime glass conduct heat?
Quartz isn't much different to borosilicate glass when it comes to conduction of heat, they are abou ... |
24-2-2021 at 23:22
by: Chemetix |
Is there a way to make soda lime glass conduct heat?
I think you are trying to reinvent the wheel here, there are some very technical glasses that have b ... |
22-2-2021 at 16:28
by: Chemetix |
Joining metal vessels to ground glass?
I've used the simpler option of a compression fitting
[file]86948[/file]
You can use O- ring ... |
22-2-2021 at 16:10
by: Chemetix |
Fan Convention of amature chemistry? Mad Science Convention
The creative in me wants this so bad. The costumes the overpriced food the interview and question se ... |
29-1-2021 at 22:03
by: Chemetix |
Mystery Glassware Identification Thread
Part of a short path distillation apparatus. A Kugelrohr.
[url]https://www.jkem.com/product/kuge ... |
23-1-2021 at 13:58
by: Chemetix |
Lamp work - hollow glass sphere
Whats the application? Because making something this small isn't going to be easy. Does it need to b ... |
4-1-2021 at 02:13
by: Chemetix |
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