Sciencemadness Discussion Board
Not logged in [Login ]
Go To Bottom

Search
[Next Page]
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
5-hydroxyvanillin methylation?
Has anyone ever tried to methylate both hydroxy groups of 5-hydroxyvanillin (3,4-dihydroxy-5-methoxy ...
5-9-2021 at 14:36
by: monolithic
Stirrer bearing and vacuum, adapter?
[rquote=663637&tid=157777&author=Dr.Bob]I always try to decide if I want a good vacuum or go ...
5-8-2021 at 17:22
by: monolithic
Stirrer bearing and vacuum, adapter?
[rquote=663605&tid=157777&author=Fyndium]I have had to use pliers to get the teflon cap out ...
5-8-2021 at 05:17
by: monolithic
Chloroform woes
[rquote=661941&tid=157619&author=paulll][quote]Might’ve not let the reaction properly reac ...
20-6-2021 at 12:46
by: monolithic
Is there anything interesting I can do with Urea?
Urea nitrate?
17-6-2021 at 08:55
by: monolithic
16 oz of nitroethane. Buy or nah?
I bought the same brand of brush cleaner a few years ago. I tried doing a water wash to separate the ...
13-6-2021 at 14:12
by: monolithic
16 oz of nitroethane. Buy or nah?
[rquote=661278&tid=157565&author=Texium]If you’re in the US, nitroethane is DEA list 1, so ...
4-6-2021 at 10:45
by: monolithic
Ideas for Engineering In-Demand Lab Equipment
A cheap and modular melting point apparatus. The prices of new (and even used) melting point apparat ...
27-5-2021 at 04:15
by: monolithic
Pumping Liquids into several Vessels - Best Valves to use?
What sort of chemicals are you working with? Something like a custom PTFE valve is going to be $$$. ...
19-5-2021 at 03:54
by: monolithic
Anhydrous Conditions
[rquote=660144&tid=157457&author=gfinch]I am planning on running a reaction which has yields ...
17-5-2021 at 14:14
by: monolithic
TONS of Reagents and Glassware - LabDirect
As a follow up, I bought some reagents from LabDIRECT. This was something the company does not norma ...
17-5-2021 at 10:13
by: monolithic
NPT threaded Steel Fitting to Ground Glass Joint?
NPT pipe --> NPT hose barb --> vacuum tubing --> 24/40 vacuum adapter?
14-5-2021 at 12:11
by: monolithic
TONS of Reagents and Glassware - LabDirect
I just checked out his website in more detail. Great to have many of these chemicals available to am ...
9-5-2021 at 10:14
by: monolithic
[Next Page]

  Go To Top