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Chinese rotavaps? The only thing superior is the speed. Separation is terrible, which is why it's basically only used ... |
15-6-2020 at 11:35 by: dawt |
Vacuum and fractional distillation 16 mmHg = 0.63 inHg, which corresponds to around -29.3 inHg on your manometer, as it displays the pr ... |
15-6-2020 at 11:02 by: dawt |
Chinese rotavaps? I absolutely second getting some quality used gear. Not sure where you're located, but complete and ... |
15-6-2020 at 09:47 by: dawt |
Nitrate salt sources Those ingredients aren't actually the ingredients, but the elements (Nitrogen, Calcium, Magnesium, S ... |
15-6-2020 at 09:40 by: dawt |
White residue from reaction of sodium hydroxide and silica gel Sounds like you got yourself some sodium silicates. If they don't dissolve in water I don't think th ... |
26-5-2020 at 08:56 by: dawt |
Salicylic acid methylation? [rquote=636756&tid=155453&author=Pumukli]Is it a bit more complicated than "dissolve the sal ... |
24-5-2020 at 11:34 by: dawt |
Most toxic compound OTC? [rquote=636715&tid=155450&author=TheMrbunGee]
I gave botox a little research, seems like ... |
23-5-2020 at 23:24 by: dawt |
Buying chemicals in Poland "OTC" [rquote=636196&tid=152908&author=Tellurium]Just curious: When did you send your email?[/rquo ... |
17-5-2020 at 06:50 by: dawt |
Buying chemicals in Poland "OTC" [rquote=636190&tid=152908&author=Tellurium]I'll try to call them!(hope they understand engli ... |
16-5-2020 at 06:05 by: dawt |
Buying chemicals in Poland "OTC" Anyone know what's up with Hadron Scientific? I sent an email inquiring about ordering a bunch of st ... |
7-5-2020 at 10:18 by: dawt |
Getting loose PTFE stopcocks for addition funnel? Since you're in Germany, I'd recommend measuring the length and the inner diameter of either side of ... |
5-5-2020 at 08:28 by: dawt |
Mercury sources in EU? Agreed, old mercury thermometers and barometers are likely the way to go if you only need small amou ... |
2-5-2020 at 08:31 by: dawt |
Synthesis of Hexamethylenetetramine (Hexamine) I'd assume it'd work fine, just make sure you have proper cooling during the addition. |
2-5-2020 at 01:54 by: dawt |
60% nitric acid in Germany by filling paper work - should I try and buy it or not? First two sources are actually from pre-2017, but that last one does in fact simply equate "general ... |
20-4-2020 at 21:48 by: dawt |
60% nitric acid in Germany by filling paper work - should I try and buy it or not? [rquote=634452&tid=155173&author=BJ68]otherwise the protective purpose of this whole law-com ... |
20-4-2020 at 10:07 by: dawt |
60% nitric acid in Germany by filling paper work - should I try and buy it or not? While annex XVII does contain the following restrictions:
[quote]
[CMR substances] Shall not be ... |
20-4-2020 at 02:46 by: dawt |
60% nitric acid in Germany by filling paper work - should I try and buy it or not?
[quote] the section about nitrates, chlorates, permanganates etc was completely removed. A small w ... |
19-4-2020 at 22:08 by: dawt |
Use For Menthol? Make some sodium. https://youtu.be/BsNoiFj3wlw |
19-4-2020 at 02:20 by: dawt |
Was shipped wrong item, got a bottle of glucose instead of choline chloride. Anything cool I can do with glucose? Anything drastic (i. e. Fischer esterification etc) is going to yield you tar and a whole bunch of d ... |
17-4-2020 at 21:20 by: dawt |
Ground glass joints - US to EU ISO adaptors? Sounds so. Maybe check the manufacturer's website (if you can figure out who that is)? I looked at a ... |
15-4-2020 at 14:28 by: dawt |
60% nitric acid in Germany by filling paper work - should I try and buy it or not? Owning, making and using HNO[sub]3[/sub] > 3 % is currently illegal in the EU due to [url=https:/ ... |
14-4-2020 at 13:14 by: dawt |
Other metal analogs of sodium nitroprusside @Boffis: You'll definitively have to purge the air from your setup first. When generating NO from Na ... |
10-4-2020 at 09:49 by: dawt |
Trimethyl Phosphate [quote]
Maybe you can ask someone else who knows chemistry what they mean with 'phosphorous tartaro ... |
9-4-2020 at 00:22 by: dawt |
Acetic anhydride preparation Seems nobody has mentioned this paper before. They claim to have prepared AA from acetic acid in a 9 ... |
9-5-2016 at 05:15 by: dawt |