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Nice deal on 100 mL glass reagent bottles, US shipper
I might order a box or two, if anyone just wants a few. They would cost me about $1 each with shipp ...
27-5-2017 at 16:50
by: Dr.Bob
6" i.d. glass tube & vacuum ?
I would just keep it behind a plastic shield and it should be OK. The ends are weak points, as wou ...
26-5-2017 at 10:46
by: Dr.Bob
Filter paper from commonly available materials?
I have some fluted lab filter paper, as well as large sheets (about 17 x 11") of filter paper. It ...
24-5-2017 at 16:36
by: Dr.Bob
eBay glassware seller has no idea what to call his listings, everything is a "beaker"
I believe this item is a glass blowing torch:

http://www.ebay.com/itm/VINTAGE-NATIONAL-TYPE-3A-BL ...
22-5-2017 at 18:15
by: Dr.Bob
Name brand Glassware (250ml - 5L), hotplate/stirrer, rotovap, vials, crimper, funnels, adapters, available
[rquote=483466&tid=74107&author=JJay]Hm I wonder if those Erlenmeyers take GL-45 caps... I k ...
18-5-2017 at 08:57
by: Dr.Bob
Overhead Stirring
If anyone wants the glass shafts or bearering (PTFE or glass/oil type), or paddles for them, I have ...
18-5-2017 at 08:50
by: Dr.Bob
Adapting a magnetic stirrer (without heating) with a hotplate
I you only want to heat round bottom flasks, you can use a heating mantle on top of the stir plate, ...
16-5-2017 at 17:59
by: Dr.Bob
Cyanoacrylate (Superglue) production/synthesis - possible for home chemist?
The challenge with cyanoacrylates is that they polymerize very easily, thus forming glue/goo on any ...
12-5-2017 at 18:29
by: Dr.Bob
Ethyl acetate preparation - questions
I am impressed that it worked with only 60% acetic acid. One way to improve it might just be to tr ...
12-5-2017 at 18:07
by: Dr.Bob
looking for cheapest routes to acid sythesis
If you want cheap, the solution is to buy them from industrial supply houses, you will not be able t ...
12-5-2017 at 12:09
by: Dr.Bob
Science equipment looking for a home
I have some 60 clear glass french square bottles with PTFE lined caps as well ($2 each or 3 for $5), ...
12-5-2017 at 07:52
by: Dr.Bob
Capsazepine Synthesis
The Lee paper, along with the Wadpole JMC article, would indicate that the coupling of the azepine t ...
9-5-2017 at 07:13
by: Dr.Bob
Solvents from the destructive distillation of sugar?
You have to remember that sugars (and most carbohydrates) are essentially the formula CnH2nOn, which ...
8-5-2017 at 10:51
by: Dr.Bob
Solvents from the destructive distillation of sugar?
Yes, there are a number of route in the literature for converting sugars to furfural and some relate ...
7-5-2017 at 18:20
by: Dr.Bob
Science equipment looking for a home
I have been sorting through some glass serological pipettes for a few orders and found a bunch of us ...
6-5-2017 at 18:12
by: Dr.Bob
Where can one find pipettors?
I have some Gilson and other brand pipettors, have lots of 200 ul ones, which do 20-200 ul, even hav ...
5-5-2017 at 11:08
by: Dr.Bob
Anhydrous HNO3 from DCM and dry ice
This just sounds like a dangerous prep that requires some experience and proper equipment to safely ...
3-5-2017 at 11:02
by: Dr.Bob
2,3-Dibromopropanoic acid from Acrylic acid
Using CHCl3 or even DCM might work, acetic acid also works, but is hard to get rid of. But adding ...
3-5-2017 at 09:55
by: Dr.Bob
The Problem with SynthSource
Neat, I have used a few of them, it is a broad area, but some of those are pretty specific uses. I ...
1-5-2017 at 05:54
by: Dr.Bob
The Problem with SynthSource
3 tons, I have more books than that already. I hope you found something more exciting than that. ...
27-4-2017 at 07:07
by: Dr.Bob
Alternative hobbies that appeal to those with interest in chemistry
Wood working and other hands-on things are common among the chemists I know. Cooking and brewing ar ...
25-4-2017 at 18:28
by: Dr.Bob
Best way to store and transfer my benzaldehyde to air tight container?
Just use small glass bottles with tight lids, and fill each one nearly full, that will reduce any re ...
24-4-2017 at 06:28
by: Dr.Bob
Science equipment looking for a home
I have, but then people keep posting to ask i I have updated it lately. Part of the problem is tha ...
23-4-2017 at 15:33
by: Dr.Bob
Acetonitrile form Ammonium acetate
One of my coworkers recently tried to make a nitrile from a primary amide, using P2O5. The first run ...
19-4-2017 at 04:13
by: Dr.Bob
Opinions on this HBr synth
What route works best depends far more on why you need the HBr, and in what form, and what chemicals ...
19-4-2017 at 04:04
by: Dr.Bob
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