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Condition of a used hotplate
160 C seems too low. Nurdrage uses a similar hot plate in his videos, it has no problem hitting 200 ... |
19-1-2022 at 17:01
by: monolithic |
Replacing a broken bleeder valve on a vacuum pump
I'd call it a manifold, too. I can't really find anything like that. Probably be easier to befriend ... |
17-1-2022 at 13:06
by: monolithic |
Replacing a broken bleeder valve on a vacuum pump
Glad it works.  |
16-1-2022 at 20:42
by: monolithic |
Chemsavers crackdown on residential addresses?
Thanks guys. I reached out to Mikhail via email. It seems some "commercial address only" items can s ... |
16-1-2022 at 07:27
by: monolithic |
Chemsavers crackdown on residential addresses?
Has anyone ordered from Chemsavers lately? I was mindlessly browsing their website (don't need any r ... |
15-1-2022 at 11:24
by: monolithic |
Replacing a broken bleeder valve on a vacuum pump
They might be thinking about high vacuum applications. You won't get 1 micron resolution or whatever ... |
15-1-2022 at 10:52
by: monolithic |
Replacing a broken bleeder valve on a vacuum pump
[rquote=670090&tid=158138&author=SuperOxide][rquote=670089&tid=158138&author=monolit ... |
15-1-2022 at 10:37
by: monolithic |
Replacing a broken bleeder valve on a vacuum pump
All you need is a vacuum gauge, a needle valve (look on Amazon or eBay), and a 3/4 way pipe fitting. ... |
15-1-2022 at 10:24
by: monolithic |
Sodium Borohydride synthesis at room temp
[rquote=669489&tid=158235&author=DocX]When it comes to identifying i'm unsure. Possibly just ... |
2-1-2022 at 08:17
by: monolithic |
Edwards Speedivac pump
[rquote=669321&tid=158217&author=Antigua]So I noticed another type of noise that could happe ... |
29-12-2021 at 08:08
by: monolithic |
Edwards Speedivac pump
Yes, plug the hole with something and turn the pump on. If the rattling goes away then you know it's ... |
27-12-2021 at 05:30
by: monolithic |
Edwards Speedivac pump
The rattling might be from the gas ballast valve. These old style pumps (like on a Precision Scienti ... |
26-12-2021 at 15:54
by: monolithic |
New chemistry forum for Hive Bees
What ever happened to klute? |
16-11-2021 at 11:28
by: monolithic |
Using the Glass-col thermocouple
[rquote=667313&tid=158092&author=SWIM]Almost every Glass-col mantle I have has an Iron Const ... |
15-11-2021 at 13:19
by: monolithic |
HEET as a source for methanol
[rquote=667002&tid=7990&author=SuperOxide][rquote=666992&tid=7990&author=monolithic] ... |
8-11-2021 at 05:40
by: monolithic |
HEET as a source for methanol
I noticed the same impurity in Heet, but it never seems to come over in distillation. No idea what t ... |
7-11-2021 at 08:13
by: monolithic |
1/4" NPT Vacuum Regulator
It's quite crude but I use a steel needle valve that I screwed into a 3 way pipe union/tee. https:// ... |
7-11-2021 at 03:54
by: monolithic |
Is my boiling flask OK?
I realize the original post is 5+ months old, but my deschem round bottom flasks have that same weir ... |
20-10-2021 at 07:53
by: monolithic |
Has anyone tried the "Lab Portable Oilless Diaphragm Vacuum Pump"?
[rquote=665754&tid=157969&author=Organikum][rquote=665703&tid=157969&author=monolith ... |
29-9-2021 at 17:46
by: monolithic |
Has anyone tried the "Lab Portable Oilless Diaphragm Vacuum Pump"?
Nice, always great to see someone get a good deal on eBay lab equipment. |
28-9-2021 at 12:23
by: monolithic |
Has anyone tried the "Lab Portable Oilless Diaphragm Vacuum Pump"?
[rquote=665713&tid=157969&author=SuperOxide][rquote=665710&tid=157969&author=monolit ... |
28-9-2021 at 09:01
by: monolithic |
Has anyone tried the "Lab Portable Oilless Diaphragm Vacuum Pump"?
[rquote=665707&tid=157969&author=SuperOxide]
Hm, that ebay listing seems like a great deal. ... |
28-9-2021 at 07:52
by: monolithic |
Has anyone tried the "Lab Portable Oilless Diaphragm Vacuum Pump"?
The pump in your link only gets down to 160 torr which isn't that good, and the diaphragm is "import ... |
28-9-2021 at 04:46
by: monolithic |
5-hydroxyvanillin methylation?
[rquote=665023&tid=157894&author=xdragon]Post by "Flasky Mountain Flask" next door:
https:/ ... |
8-9-2021 at 11:43
by: monolithic |
5-hydroxyvanillin methylation?
Any ideas on how much excess is required? Methyl iodide isn't too difficult to prepare as long as it ... |
7-9-2021 at 12:17
by: monolithic |
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