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Why don't electrons lose energy when revolving?
Way back it took me a while to get my head to figure out where the electrons are if they do not orbi ... |
13-7-2021 at 07:14
by: Hoffit |
Puryfiing 99% denatured alcohol
I think IPA is a pain to separate from ethanol. I can think of no conventional method that does it e ... |
13-7-2021 at 06:38
by: Hoffit |
Sodium bisulfate questions & reactions
NaHSO4 is like any typical acidic compound. You can get a about ph 1 or so I think. Like any ionic c ... |
26-6-2021 at 02:13
by: Hoffit |
Chemistry Label Generator
That seems awsome. I'll sure give that a try for marking some of my items. |
22-6-2021 at 09:55
by: Hoffit |
Chloroform woes
Separating something that has a 5-6C difference in boiling points is not easy by distillation. Even ... |
22-6-2021 at 08:56
by: Hoffit |
Chloroform woes
About 10g/L chloroform dissolves in water according to wikipedia. On the other hand, chloroform shou ... |
20-6-2021 at 11:32
by: Hoffit |
Cleaning glassware and other equipment
[rquote=656660&tid=24207&author=itsallgoodjames]I have a big patch of ferric chloride stains ... |
19-6-2021 at 14:40
by: Hoffit |
Chemically resistent pump
How about something out of the box like having a checkvalve and a container at the bottom (to drain ... |
15-6-2021 at 12:00
by: Hoffit |
Low effort DIY chemical productions
I think the amount of cleaning up the mess is another matter making some reactions nicer than some o ... |
13-6-2021 at 07:00
by: Hoffit |
Ethylene glycol purification
That is so true. Cleaning up non-pure materials can be a lot of work. Also choosing the material to ... |
11-6-2021 at 03:54
by: Hoffit |
Ethylene glycol purification
I was reading some older messages and found some thread where a few people found it difficult to pur ... |
10-6-2021 at 12:06
by: Hoffit |
Fractionnal distillation temperature ranges
Unless there is some measurement error (or uninsulated column way under powered) other sources of er ... |
4-6-2021 at 07:56
by: Hoffit |
Another distillation setup, questions
For small flow volumes almost any small pump like fountain pumps will do. USB and 12V pumps are easi ... |
1-6-2021 at 13:58
by: Hoffit |
Another distillation setup, questions
Those could be interesting for some use cases. (even if I'm mostly into heating mantles)
My kid j ... |
28-5-2021 at 02:41
by: Hoffit |
Help with photomultiplier tube
I fail to find any high voltage supply from your photos. Datasheet spec is 1250V and usually you nee ... |
27-5-2021 at 10:56
by: Hoffit |
European Sulfuric Acid Ban
I think too that EU regulation has nothing about possession. But for example in my country the law i ... |
27-5-2021 at 00:20
by: Hoffit |
Another distillation setup, questions
[rquote=660784&tid=157507&author=Oxy]
Heating mantle is definitely better for RBF. There is ... |
27-5-2021 at 00:16
by: Hoffit |
The Short Questions Thread (4)
Applied science has some nice videos about sputtering like this one https://www.youtube.com/watch?v= ... |
27-5-2021 at 00:09
by: Hoffit |
European Sulfuric Acid Ban
It seems laws are implemented differently in different countries. It seems on some countries only sa ... |
26-5-2021 at 07:46
by: Hoffit |
Sourcing Ethyl Acetate?
I stripped my ethyl acetate for a paint thinner. It used to be available as nail polish remover but ... |
26-5-2021 at 07:37
by: Hoffit |
Another distillation setup, questions
Shape matters. Flat bottom bottle (or RBF) on a plate does not transfer heat well. I distill typical ... |
26-5-2021 at 07:31
by: Hoffit |
