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Growing crystals under vacuum in a thermos (very slow temp drop) & seperating mixed salts?
[rquote=503923&tid=79781&author=RogueRose]
In each of these I could easily use a silicone o ... |
21-1-2018 at 08:26
by: semiconductive |
Production of Cu (I) Cl with household chemicals. Problems.
The vials have been sitting now for weeks. The first picture is how each of them looked just before ... |
20-1-2018 at 22:04
by: semiconductive |
Chinese Hotplate/Stirrers
[rquote=470339&tid=71487&author=JJay]If it's the 85-2 stirrer, I wouldn't recommend it for c ... |
8-1-2018 at 07:13
by: semiconductive |
Making a micro-buchner vacuum filtration wand.
Thanks for the link. That's very helpful to get an idea of how to do things. That plug design woul ... |
7-1-2018 at 23:53
by: semiconductive |
Making a micro-buchner vacuum filtration wand.
[rquote=501904&tid=79314&author=Dr.Bob]I might have some small tubes with frits on the end i ... |
3-1-2018 at 19:18
by: semiconductive |
Making a micro-buchner vacuum filtration wand.
[rquote=502049&tid=79314&author=happyfooddance]Sometimes I don't even intersperse a wash bot ... |
3-1-2018 at 18:59
by: semiconductive |
Inert test tubes & teflon (or glass) cap liners.
[rquote=502365&tid=79026&author=JJay]
The specific gravity of high strength sulfuric acid i ... |
2-1-2018 at 21:57
by: semiconductive |
Inert test tubes & teflon (or glass) cap liners.
[rquote=502352&tid=79026&author=weilawei][rquote=500674&tid=79026&author=semiconduct ... |
2-1-2018 at 20:17
by: semiconductive |
Inert test tubes & teflon (or glass) cap liners.
[rquote=501939&tid=79026&author=JJay]I.. but I have seen for myself that Rooto definitely co ... |
2-1-2018 at 15:22
by: semiconductive |
Making a micro-buchner vacuum filtration wand.
[rquote=501896&tid=79314&author=elementcollector1]Still, this seems like an interesting idea ... |
29-12-2017 at 18:40
by: semiconductive |
Making a micro-buchner vacuum filtration wand.
[rquote=501895&tid=79314&author=happyfooddance]I think you might be confused as to what a "b ... |
29-12-2017 at 18:23
by: semiconductive |
Production of Cu (I) Cl with household chemicals. Problems.
Even after heating to from 25C to 55C over two days, the solution is still aqua-marine.
The slight ... |
29-12-2017 at 17:14
by: semiconductive |
Inert test tubes & teflon (or glass) cap liners.
I just looked the MSDS up, and ROOTO is supposed to be 92.3%. So your typical analysis is closer to ... |
29-12-2017 at 11:24
by: semiconductive |
Making a micro-buchner vacuum filtration wand.
I've been doing analytic chemistry, and trying to determine accurate masses of precipitates from pre ... |
28-12-2017 at 21:26
by: semiconductive |
Production of Cu (I) Cl with household chemicals. Problems.
[rquote=499054&tid=78599&author=DraconicAcid]
No. When an ionic compound like sodium chlor ... |
27-12-2017 at 20:25
by: semiconductive |
Production of Cu (I) Cl with household chemicals. Problems.
[rquote=500855&tid=78599&author=zed]Ummm. I'm not very careful, but when I mix CuSO4 soluti ... |
27-12-2017 at 17:48
by: semiconductive |
Inert test tubes & teflon (or glass) cap liners.
[rquote=501438&tid=79026&author=JJay]Qorpak sells PTFE liners.
Oh and I'd use something ... |
26-12-2017 at 15:24
by: semiconductive |
Inert test tubes & teflon (or glass) cap liners.
The vials sold to me show between del = 0.0005 and 0.0008 inch expansion, on 3.7445 inch length from ... |
24-12-2017 at 13:40
by: semiconductive |
Production of Cu (I) Cl with household chemicals. Problems.
[rquote=501191&tid=78599&author=DraconicAcid]
This is an ionic compound, not a polymer, and ... |
21-12-2017 at 23:42
by: semiconductive |
Production of Cu (I) Cl with household chemicals. Problems.
I'm preparing to repeat the experiment. My intention is to use ascorbic acid as reducing sugar, and ... |
21-12-2017 at 22:45
by: semiconductive |
Production of Cu (I) Cl with household chemicals. Problems.
I broke the seal on the flask, and took a sample of about 1CC, and used about 1/10th a soil pH test ... |
21-12-2017 at 16:27
by: semiconductive |
Cheap refractory materials for insulation, casting and equipment manufacture.
When doing distilations and both making and using glassware, I've needed insulation for holding heat ... |
18-12-2017 at 20:06
by: semiconductive |
Inert test tubes & teflon (or glass) cap liners.
[rquote=500701&tid=79026&author=unionised][rquote=500674&tid=79026&author=semiconduc ... |
17-12-2017 at 10:46
by: semiconductive |
Inert test tubes & teflon (or glass) cap liners.
I have been hunting on ebay for small cheap vials in the 8 to 16mL range to use in lieu of tradition ... |
16-12-2017 at 21:44
by: semiconductive |
Original experiment photo update.
It's been two weeks. Here is a photo shoot showing the Dec 16,2017 state of the glucose and copper ... |
16-12-2017 at 16:42
by: semiconductive |
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