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Glass for homemade pH electrode I think the Amateur Scientist column in Scientific American described a DIY pH meter back in the day ... |
6-2-2010 at 14:02 by: entropy51 |
Chemophobia [quote]5th amendment - non-self incrimination right[/quote]The young man in that case pleaded guilty ... |
6-2-2010 at 09:12 by: entropy51 |
Chemophobia [rquote=171249&tid=13375&author=unome]
I also have flour, eggs & milk - and the knowled ... |
6-2-2010 at 05:58 by: entropy51 |
Penicillin from acetanilide?? [rquote=171240&tid=13316&author=Sandmeyer]
[quote]But that leaves the conundrum of why you ... |
5-2-2010 at 17:28 by: entropy51 |
Chemophobia [rquote=171236&tid=13375&author=VestriDeus]When/Where do you think it will stop?[/rquote]Whe ... |
5-2-2010 at 16:35 by: entropy51 |
Penicillin from acetanilide?? You seem to believe the peer reviewed literature is not worth much compared to Wikipedia.
But tha ... |
5-2-2010 at 16:33 by: entropy51 |
Penicillin from acetanilide?? [rquote=171230&tid=13316&author=Sandmeyer] In fact such articles are verified by only a coup ... |
5-2-2010 at 15:49 by: entropy51 |
Easy to make aromatic esters [rquote=171228&tid=13368&author=Sandmeyer]actually it does not have to smell good or pleasan ... |
5-2-2010 at 15:42 by: entropy51 |
Diethyl Ether Disposal Thanks rrkss. That's good to know. It seems that EtOH wouldn't be good for Grignards though? |
30-1-2010 at 12:33 by: entropy51 |
The short questions thread (2) [quote]Does anyone know a good method for capturing CO.[/quote]One of my lab manuals gives a recipe ... |
30-1-2010 at 12:26 by: entropy51 |
Diethyl Ether Disposal Ethanol stabilizes chloroform against phosgene formation. I don't think it will stabilize Et2O agai ... |
30-1-2010 at 11:03 by: entropy51 |
Bad days in the lab or with glassware? [rquote=170758&tid=13214&author=havarti_gouda]
Moral of the story: Don't let strong NaOH so ... |
30-1-2010 at 08:05 by: entropy51 |
Ethyl Acetate? rrkss, what was the boiling range on the second distillation? Thanks.
80% isn't bad on this scal ... |
30-1-2010 at 07:51 by: entropy51 |
Dry HCL Generation 16 hour reactions and half kilo of methylamine? Sounds kind of industrial scale. |
29-1-2010 at 16:59 by: entropy51 |
Ammonium Nitrate with recent regulations in mind Rather than go thru all that, I would just buy some cold packs at the pharmacy. I know you said you ... |
29-1-2010 at 13:58 by: entropy51 |
vacuum pump trouble. One place I worked the oil pumps would freeze up with gunk in the oil from acid fumes from distillat ... |
29-1-2010 at 13:55 by: entropy51 |
Diethyl Ether Disposal [quote]I'll make the FeSO4 the way you mentioned. I will get the iron in the correct oxidation state ... |
29-1-2010 at 08:05 by: entropy51 |
sodium bisulfite from sodium bisulfate [quote]I'll be sure to read up on balancing equations this weekend so in any future posts I can incl ... |
29-1-2010 at 07:35 by: entropy51 |
Low-Pressure Gas @ home Some of the older chemistry books, especially the ones describing lecture demonstration experiments, ... |
29-1-2010 at 07:24 by: entropy51 |
Diethyl Ether Disposal [rquote=170652&tid=13333&author=rrkss]What would be a safe easy way to dispose of some old u ... |
29-1-2010 at 06:57 by: entropy51 |
vacuum pump trouble. If not Teflon, I don't think it will handle what you are throwing at it. If it's not ruined you sho ... |
29-1-2010 at 06:42 by: entropy51 |
Suspicious company [rquote=170635&tid=2131&author=agorot]Just tonight I bought some H2SO4 from walmart in the f ... |
28-1-2010 at 17:59 by: entropy51 |
Column Chromatography(liquid) Noob You might want to look at the chapter on chromatography in the book of projects for the amateur scie ... |
28-1-2010 at 16:57 by: entropy51 |
Low-Pressure Gas @ home [rquote=170607&tid=13327&author=starman]Be interesting to see whether anyone could think up ... |
28-1-2010 at 15:58 by: entropy51 |
Lab Table Top? My benches are wooden. I work over plastic or stainless steel trays to catch spills when pouring.
... |
28-1-2010 at 15:45 by: entropy51 |
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