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How do you clean stubbornly dirty glassware when no solvent seems to work?
Can you describe what a "bit" is? Concentration? And why a Bunsen burner in particular? When I think ... |
19-7-2018 at 20:13
by: Sidmadra |
How do you clean stubbornly dirty glassware when no solvent seems to work?
I've got a bunch of round bottom flasks from over the years that have been left unused because they ... |
19-7-2018 at 20:01
by: Sidmadra |
Nitrostyrene reduction using NaBH4/CuCl2
[rquote=524476&tid=84596&author=Chemi Pharma]
I apologize but I fully desagree with you @Si ... |
19-7-2018 at 07:35
by: Sidmadra |
Anyone ever cured PTFE with a heat gun?
There seems to be a bit of flexibility with the cure temperature of PTFE. From what I read, it depen ... |
16-7-2018 at 16:43
by: Sidmadra |
Nitrostyrene reduction using NaBH4/CuCl2
[rquote=523659&tid=84596&author=Chemi Pharma]What worried me at your synthesys @Karlar, is t ... |
16-7-2018 at 15:05
by: Sidmadra |
Anyone ever cured PTFE with a heat gun?
You should check out some of the below links. Sintering PTFE particles with just heat is very standa ... |
16-7-2018 at 14:10
by: Sidmadra |
Anyone ever cured PTFE with a heat gun?
I have a highly ventilated area, but that's also why I think using a variable temperature heat gun w ... |
16-7-2018 at 13:24
by: Sidmadra |
Anyone ever cured PTFE with a heat gun?
What temperature did you take it up to?
PTFE doesn't melt at all, and will thermally decompose if ... |
16-7-2018 at 11:26
by: Sidmadra |
Does anyone have solubility data of HCl in various solvents (Methanol, Ethanol, Ether)?
I looked over the data from multiple of the above posts (thank you everyone), and if I am interpreti ... |
16-7-2018 at 08:11
by: Sidmadra |
Anyone ever cured PTFE with a heat gun?
I have a few metal parts I wanted to coat with PTFE and I found out the process isn't too terribly c ... |
16-7-2018 at 07:53
by: Sidmadra |
Does anyone have solubility data of HCl in various solvents (Methanol, Ethanol, Ether)?
[rquote=524134&tid=84854&author=BromicAcid]Are you trying to make the most concentrated solu ... |
15-7-2018 at 20:34
by: Sidmadra |
Does anyone have solubility data of HCl in various solvents (Methanol, Ethanol, Ether)?
I've been searching for the past 20 minutes and to my surprise I can't find any data about this. At ... |
15-7-2018 at 19:38
by: Sidmadra |
Discoloration of HDPE containers from solid reagents?
I've got a large collection of reagents and I've noticed a pattern over time. I have a handful of so ... |
16-6-2018 at 15:55
by: Sidmadra |
Lithiation reaction of an Aniline... gooey yield problems, uncrystalizable, not sure where I went wrong
[rquote=521491&tid=83740&author=Dr.Bob]Usually BuLi is added slowly, over many minutes. Of ... |
12-6-2018 at 18:49
by: Sidmadra |
Lithiation reaction of an Aniline... gooey yield problems, uncrystalizable, not sure where I went wrong
DrBob,
In the paper I recall they added the Lithium at RT. There was other compounds that they li ... |
12-6-2018 at 13:55
by: Sidmadra |
Lithiation reaction of an Aniline... gooey yield problems, uncrystalizable, not sure where I went wrong
I don't have the exact paper on hand but saved the rough procedure. It's a very straight forward pro ... |
8-6-2018 at 17:59
by: Sidmadra |
Is there a solvent I can use to wash my vacuum pump oil reservoir?
[rquote=519878&tid=83470&author=Dr.Bob]If the material does not dissolve in clean pump oil, ... |
29-5-2018 at 17:47
by: Sidmadra |
Is there a solvent I can use to wash my vacuum pump oil reservoir?
I've noticed with time there is colored material accumulated in my vacuum reservoir. I can only assu ... |
29-5-2018 at 09:17
by: Sidmadra |
Cannabinoid concentration
So you're trying to remove the extra limonene? What's the issue? Are you heating with an bath at a s ... |
20-4-2018 at 09:29
by: Sidmadra |
Grignard vs. organolithium
I'm interested in the synthesis of these as well. I don't think Sodium is actually necessary, but ju ... |
19-4-2018 at 11:44
by: Sidmadra |
Cannabinoid concentration
[rquote=514778&tid=81093&author=Mister E]
Some sources claim it is 157C at 0.05 mmHg but th ... |
18-4-2018 at 21:22
by: Sidmadra |
Anyone ever worked with concentrated 11M n-butyllithium solution? Is a cloudy suspension normal?
[rquote=514780&tid=82033&author=BromicAcid]Yes, BuLi is a liquid at room temperature, what y ... |
18-4-2018 at 17:35
by: Sidmadra |
Anyone ever worked with concentrated 11M n-butyllithium solution? Is a cloudy suspension normal?
I'm not sure how water could get in there in the first place. The bottle has been perfectly sealed, ... |
18-4-2018 at 13:14
by: Sidmadra |
US Group Buy: Sodium bromide and phthalic anhydride
Why group buy Sodium Bromide? It's already available online fairly cheaply within the USA ($10-20/lb ... |
18-4-2018 at 11:28
by: Sidmadra |
Anyone ever worked with concentrated 11M n-butyllithium solution? Is a cloudy suspension normal?
I've only ever worked with ~1M solutions in the past and they've been clear. I have a 1 year old, 11 ... |
18-4-2018 at 09:45
by: Sidmadra |
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