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Gas Stove
Yes, most power plants are 30-35% efficient, the max is about 50% for combined cycle plants.
For ... |
21-3-2023 at 17:15
by: Dr.Bob |
Brand new hotplate won't boil water?
The other main issue is how many watts does it consume at max? many good hotplates are 600+ watts, ... |
21-3-2023 at 13:12
by: Dr.Bob |
Is the start of a recession a good time to buy ruby/sapphire/emerald?
The key to mining companies is that their stock value goes up and down with the price of gold, to so ... |
16-3-2023 at 09:58
by: Dr.Bob |
Making a gas dispersion tube
I have a few various gas dispersion tubes with porous frits on the end if anyone wants a fancier one ... |
16-3-2023 at 09:48
by: Dr.Bob |
Has anyone tried the RE-2000A Chineseum Rotovaps?
This appears to be a Chinese made knock off of a Buchi. I have never seen one like this, it may be ... |
16-3-2023 at 09:45
by: Dr.Bob |
Is the start of a recession a good time to buy ruby/sapphire/emerald?
The problem with many commodities is that buying them in small amounts is hard to do, and selling th ... |
14-3-2023 at 13:09
by: Dr.Bob |
Quick and partial report on benzyl bromide synthesis
Great experiment. Often making the benzyl chlorides take two passes with HCl as it gets so diluted ... |
3-3-2023 at 17:52
by: Dr.Bob |
Can't figure out synthesis
That (acidic reflux in toluene) indeed is the way that most places make delta-8 THC, which has been ... |
3-3-2023 at 17:40
by: Dr.Bob |
Elemental Scientific Liquidating Chemicals, glassware, and used equipment
There are some long condensers in this lot, if anyone wants one, they might go cheap, hard to tell. ... |
2-3-2023 at 11:00
by: Dr.Bob |
Can't figure out synthesis
Olivetol is found in some biological materials naturally, so hard to make it cheaper than just buyin ... |
2-3-2023 at 10:59
by: Dr.Bob |
Science equipment looking for a home
Here is a photo for someone who asked about Snyder columns.
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28-2-2023 at 15:15
by: Dr.Bob |
95% Ethanol from E85 Fuel
I think it would be a cheap source of poor quality ethanol, suitable for many tasks, but not great f ... |
27-2-2023 at 13:23
by: Dr.Bob |
Science equipment looking for a home
He had told me some info privately. I am working on a good deal for him, but have limited solid re ... |
25-2-2023 at 17:37
by: Dr.Bob |
I want to hear your favorite chemistry demonstrations
I like the chemistry demos using black powder, fuel, oxidants, and various metals salts organixed in ... |
18-2-2023 at 19:39
by: Dr.Bob |
Mystery Glassware Identification Thread
That is the bottom of a gas washing tube. The tops get broken easily, and have a fritted tube (and ... |
18-2-2023 at 19:28
by: Dr.Bob |
Science equipment looking for a home
None offense taken, I am happy to help people, but I need to know what they need help with.
[Edi ... |
16-2-2023 at 07:40
by: Dr.Bob |
Science equipment looking for a home
Science Madness meetup in RTP NC - Feb 26th - copied here as well as whimsy since not everybody sees ... |
15-2-2023 at 11:41
by: Dr.Bob |
Science equipment looking for a home
[rquote=681535&tid=15667&author=Raid]Are you willing to give some to me? or do I have to pa ... |
15-2-2023 at 07:47
by: Dr.Bob |
Science equipment looking for a home
The bulk of the glassware came from a closed chemical business of a friend's, read the first few pos ... |
14-2-2023 at 06:47
by: Dr.Bob |
Looking for old software for old analytical equipment
Check with BillWann in the recent threads he posted in. |
13-2-2023 at 10:27
by: Dr.Bob |
Replacing Stirrer Motor Corning PC-320
I just found parts of a broken PC-320, if you still need a motor, I am happy to let you try to salva ... |
13-2-2023 at 10:26
by: Dr.Bob |
Science equipment looking for a home
Here are some more photos I have taken for people lately of a few more things I have left.
I h ... |
8-2-2023 at 16:42
by: Dr.Bob |
IKA RCT Basic Hotplate Issues
Glad to hear as these are hard to fix or get repair parts for, at least in the US. They are great ... |
5-2-2023 at 17:29
by: Dr.Bob |
The oldershaw column she told you not to worry about
22 plates. |
29-1-2023 at 07:44
by: Dr.Bob |
The Short Questions Thread (4)
[rquote=679447&tid=25055&author=B(a)P]I have a procedure that calls for drying bromonitromet ... |
24-1-2023 at 16:47
by: Dr.Bob |
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